10 Best Antivirus Software in 2023: Windows, Android, iOS, Mac

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Katarina Glamoslija Updated on: September 4, 2023 10 Best Antivirus Software in 2023: Windows, Android, iOS, Mac

There are hundreds of antiviruses out there — and they all claim to offer the best protection at the best price. But I tested the top antivirus software on the market and only a few of them are strong enough, secure enough, and effective enough to be considered one of the best antiviruses of 2023.

Most antivirus programs nowadays include more than just a virus scanner — they also come with features that add additional protection, like a network firewall, phishing protection, a virtual private network (VPN), a password manager, parental controls, as well as dedicated protections for mobile devices.

But a lot of antiviruses don’t exactly work as advertised — they have poor malware detection rates, they don’t consistently block malicious sites, and their extra features are badly designed and virtually useless (despite charging you an extra fee).

I spent weeks testing the top antiviruses on the market — I ranked them on security, functionality, speed, and price. Norton came out on top, but I found 10 other products that are also excellent. Read on to find out more about each of them and decide which is best for you.


🥇1. Norton 360 — Best Antivirus for Windows, Android & iOS

Norton 360 offers unbeatable virus and malware protection. It’s a well-built and well-maintained internet security suite that fully ensures all information stays secure, private, and protected — and it works well across all operating systems. It’s the best choice for home users looking for a complete, intuitive antivirus with some of the best cybersecurity protections out there, all for a low-cost yearly subscription.

Norton’s antivirus software uses a unique scanning engine powered by heuristic analysis and machine learning, making it capable of scanning, finding, and removing all of the newest and most advanced types of malware. It scored a 100% protection rating during all of my independent tests, and it consistently scored higher on detection and threat prevention than built-in antiviruses (like Windows Defender).

🥇1. Norton 360 — Best Antivirus for Windows, Android & iOS

Norton 360 comes with a wide range of additional features — and they’re all easy to use and work just as promised. The features include:

  • Secure firewall.
  • Password manager.
  • Webcam protection.
  • VPN (with unlimited data).
  • Dark web monitoring.
  • Cloud storage.
  • Ransomware protection.
  • And a lot more…

My favorite extra is dark web monitoring (it’s by far the best dark web monitoring tool I’ve ever tested). It constantly scans the dark web for a wide range of personal information, including credit card details, insurance documentation, home addresses, phone numbers, gamer tags, and more, and it immediately alerts you if it detects any stolen data.

🥇1. Norton 360 — Best Antivirus for Windows, Android & iOS

Norton provides excellent value across all of its packages. Priced at SGD27.36 / year, its entry-level AntiVirus Plus plan doesn’t come with a lot of features, but it still has real-time malware protection, a firewall, a password manager, and 2 GB secure cloud storage. Norton 360 Standard is also a pretty good deal — it adds unlimited VPN access, 10 GB secure cloud storage, and dark web monitoring, and covers 3 devices for SGD54.73 / year.

Norton 360 Deluxe is the best-value package for most users — for SGD68.42 / year, you get more licenses (up to 5), more storage space (up to 50 GB), and access to some of the best parental controls on the market. Starting at SGD136.86 / year, Norton 360 with LifeLock also adds identity theft protection and credit monitoring via Norton’s sister company, LifeLock — but these advanced plans are only available for US customers.

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Read the full Norton review here >

🥈2. Bitdefender Total Security — Best for Lightweight Scanning + Tons of Additional Features

Bitdefender has an extremely advanced antivirus engine — it uses a massive malware database together with machine learning and artificial intelligence to detect and protect against malware more effectively than almost any other competitor on the market.

Bitdefender found and removed every malicious threat from my system when I tested it. And because its engine is cloud-based, all of the malware scans take place on Bitdefender’s cloud server, offloading the strain on your device. Bitdefender caused virtually zero system impact to both my Windows and Mac laptops, even during intensive, full-disk scans.

🥈2. Bitdefender Total Security — Best for Lightweight Scanning + Tons of Additional Features

But Bitdefender isn’t just an anti-malware scanner — it’s one of the most comprehensive security suites available, providing some of the best protection for both computers and mobiles, with features like:

  • Web protection.
  • System optimizer
  • VPN (200 MB/daily).
  • Parental controls.
  • Password manager.
  • Webcam protection.
  • Ransomware protection.
  • And a lot more…

Bitdefender’s web protection is excellent — the anti-phishing protection blocked the vast majority of phishing sites in my testing, and I’m a big fan of Safepay, which is a secure, encrypted browser window for online banking and shopping. I particularly love Bitdefender’s multi-layer ransomware protection, which adds a data-protection layer over your important files so that they can’t be encrypted during a ransomware attack.

Bitdefender’s VPN is also one of the best on the market, providing lightning-fast access to encrypted servers around the globe — unfortunately, unlike Norton’s VPN, Bitdefender’s VPN limits your daily data usage on all but the most expensive plan.

Similar to Norton, Bitdefender includes advanced settings for users who know how to customize their antivirus protection. You can set custom scan settings for specific areas of your computer, like scripts, network shares, boot sectors, and even new/modified files. Bitdefender’s advanced settings help further its reputation as one of the most powerful and customizable malware scanning engines out there.

🥈2. Bitdefender Total Security — Best for Lightweight Scanning + Tons of Additional Features

Bitdefender has several low-cost packages available. Bitdefender Antivirus Plus, which is priced at SGD27.36 / year, has many of Bitdefender’s premium features (except webcam protection, parental controls, and a device optimizer), but it’s only available for Windows. Bitdefender Internet Security adds on parental controls, a firewall, and coverage for up to 3 Windows computers for SGD45.15 / year.

My favorite plan is Bitdefender Total Security, which includes up to 5 licenses for Windows, macOS, Android, and iOS for SGD49.26 / year. There’s also Bitdefender Premium Security, which includes all of Bitdefender’s features, plus the VPN with no limitations — at SGD68.42 / year, it’s pricier than some competitors, but considering the VPN is as good as the top standalone VPNs, I still think it’s worth it.

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Read the full Bitdefender review here >

🥉3. TotalAV — Best for Ease of Use (Super Beginner-Friendly)

TotalAV has an excellent antivirus scanner and a couple of really good extras, all inside a very intuitive dashboard — making it a particularly great choice for beginner users who don’t want to deal with complicated menus and settings. However, TotalAV also includes many customization options that advanced users will appreciate.

TotalAV’s antivirus scanner is fast and reliable, with near-perfect malware detection rates. The scanner caught 99% of all of my test malware, from viruses and trojans to ransomware, missing only a couple of tricky files (which Norton and Bitdefender managed to catch).

🥉3. TotalAV — Best for Ease of Use (Super Beginner-Friendly)

You also get a full range of extra internet security features. I particularly like TotalAV’s performance optimizer — during my tests, it cleaned up more space on my computer than most other competitors. I also like TotalAV’s VPN — it’s secure, works with popular streaming sites, and maintains pretty fast speeds across all servers (which is why it ranks as one of the best antivirus-bundled VPNs on the market).

The password manager is pretty good, too. Total Password provides a secure way to store all of your passwords and other bits of sensitive information in an encrypted space. You get all of the standard features, like auto-saving and auto-filling, a customizable password generator, cross-device synchronization, and more. It performed really well in my tests, with my only complaint being that it lacks password sharing. That said, it does include some pretty unique features like Secure Me — a tool that lets you remotely log out of accounts on all devices.

🥉3. TotalAV — Best for Ease of Use (Super Beginner-Friendly)

My favorite plan is TotalAV Total Security, which covers up to 6 devices and costs SGD67.07 / year. It’s the only plan to include Total Password and an excellent ad blocker, as well as all the other features mentioned above. If you’re on a budget, TotalAV Antivirus Pro is a good entry-level package for users looking to protect up to 3 devices, and it costs SGD26.01 / year. All plans come with a 30-day money-back guarantee.

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Read the full TotalAV review here >

4. McAfee Total Protection — Best for Online Security (+ Great for Families)

McAfee Total Protection has a great range of internet security features — malware protection, anti-phishing protection, a password manager, a VPN, and identity theft monitoring and coverage. And all of its features are intuitive, easy to use, and work just as promised.

4. McAfee Total Protection — Best for Online Security (+ Great for Families)

Its excellent virus protection abilities alone make McAfee a great choice — scoring a perfect 100% detection rate against all of the malware samples during my series of tests. McAfee detected, blocked, and removed both simple and advanced threats, including viruses, trojans, spyware, keyloggers, and rootkits.

Its anti-phishing protection is also excellent, preventing me from accessing known phishing and malicious sites. It identified the vast majority of risky sites, outperforming both built-in protections from browsers like Chrome and Firefox and web protection from most competing antiviruses.

4. McAfee Total Protection — Best for Online Security (+ Great for Families)

I’m also a huge fan of McAfee’s Wi-Fi protection. This provides an easy-to-read map of all devices on your home Wi-Fi network, giving you total control over your online security and allowing you to lock out intruders.

McAfee’s parental controls are also some of the best on the market — in addition to blocking inappropriate and unwanted content and apps, they also come with advanced location tracking, which allows you to track your child’s device with almost perfect accuracy (this feature works much better than Google or Apple’s tools for locating devices).

However, McAfee did slow down my computer a bit during full system scans (unlike Norton and Bitdefender). While I was able to browse the internet, use Microsoft Office, and watch videos on YouTube (but there was some buffering), I couldn’t play CPU-intensive games as my screen kept freezing during gameplay.

McAfee’s plans, which start at only SGD54.73 / year, offer excellent value. The Plus plan (SGD54.73 / year) provides coverage for up to 5 devices, and the Premium family package (SGD88.95 / year) adds parental controls and coverage for an unlimited number of devices. There’s also the Advanced plan (SGD109.48 / year), which adds anti-theft coverage of up to $1 million and other anti-theft protections.

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Read the full McAfee review here >

5. Intego — Best for Comprehensive Mac Protection

Intego is the best macOS antivirus out there. Most antivirus brands only focus on protecting Windows PCs — even competitors like Norton and Bitdefender offer far fewer features for their macOS programs than they do for their Windows versions. But all of Intego’s Mac antivirus packages were exclusively designed to provide high-quality internet security and optimization tools to macOS. It greatly enhances Apple’s built-in safety features with things like:

  • Real-time malware protection.
  • Mac optimization and cleaning tools.
  • Advanced Mac backup options.
  • Network security options.
  • Parental controls.

5. Intego — Best for Comprehensive Mac Protection

Intego’s antivirus engine scored a perfect detection rate against all of my test malware (both macOS and PC malware). And its scans are fast — scanning over 800,000 files in under 2 hours. I also really like that subsequent scans take only a few minutes, thanks to Intego’s file caching system that ignores already-scanned files (Norton uses the same technology to skip over previously scanned files).

I’m also a huge fan of Intego’s customizable smart firewall — it monitors both incoming and outgoing network connections and alerts you to programs trying to connect to the internet, which prevents programs from sending data from your Mac without you knowing (perfect for stopping hidden spyware attempting to send sensitive information to hackers). The firewall also adjusts its settings automatically depending on your environment — if you’re at home, work, or using a public Wi-Fi network — ensuring you have the most appropriate settings switched on.

5. Intego — Best for Comprehensive Mac Protection

Intego has a lot of pretty cool additional features — I particularly like how you can connect an external drive or an iOS device to your Mac and run an antivirus scan of it with Intego’s virus scanner. Because Intego doesn’t offer internet security protection for mobile, this saves you from needing to get multiple antivirus packages to protect your iOS devices — but if you want to do more than run antivirus scans on iOS, you’ll need to get a separate iOS antivirus app.

Intego’s Mac Premium Bundle X9 plan is excellent — it comes with all of Intego’s best features, including disk optimization tools and parental controls. There’s also the Mac Internet Security X9 plan, but it only has real-time malware protection and a firewall. Starting at SGD2.29 / month, Intego is a bit more expensive than the competitors, but then again, most competitors offer very basic programs for Mac users (typically only malware scanners).

Intego also has a Windows product, Antivirus for Windows, but it’s just a simple virus scanner and not full-suite security software like Intego’s Mac products. If you need a Windows antivirus, any of the other ones on this list are better choices.

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Read the full Intego review here >

6. Kaspersky Premium — Best for Online Shopping + Banking

Kaspersky Internet Security has excellent antivirus protection, plus some impressive bonus features like dangerous site protection that will help keep you safe online. Its antivirus engine consistently delivers some of the best results in the industry against all types of malware — the program was 100% effective in all of my anti-malware testing.

6. Kaspersky Premium — Best for Online Shopping + Banking

Kaspersky also includes a good variety of cybersecurity features, such as:

  • Anti-phishing protection.
  • Safe Money secure browser.
  • VPN (unlimited data).
  • Password manager.
  • Smart Home Monitor.

I really like Kaspersky’s Safe Money feature — the program detects when you’re about to make a payment online or access a banking website, offering to launch a safe, sandboxed browser window that’s impenetrable to malware and spyware. While I’m a fan of Safe Money, I slightly prefer Bitdefender’s secure browser, Safepay, which loads much faster than Kaspersky’s. Kaspersky also lets you use a virtual keyboard when handling online payments to avoid keyloggers.

6. Kaspersky Premium — Best for Online Shopping + Banking

In my opinion, Kaspersky Premium is the best-value plan, providing malware scanning, web protection, the Safe Money secure browser, an unlimited-data VPN, a password manager with unlimited password storage, home Wi-Fi monitoring so you can keep track of who connects to your network, and 1 free year of Kaspersky parental controls for up to 3 users. At only SGD112.22 / year, this is a good deal — and there are also options to cover 5, 10, and even 20 users.

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Read the full Kaspersky review here >

7. Avira Prime — Best for System Optimization

Avira has one of the strongest and most robust antivirus engines around — it consistently earns high scores during independent testing (and scored a 100% detection rate during all of my tests), and it’s so good that Avira’s anti-malware technology has been licensed out to several competitors, including TotalAV.

7. Avira Prime — Best for System Optimization

Avira Prime also comes with a lot of really good additional features, such as:

  • Privacy optimization.
  • System optimization.
  • VPN.
  • Password manager.
  • Premium apps for Android and iOS.

Avira’s system optimization tools are some of the best on the market. While many antivirus products include tune-up tools designed to help your device run smoothly and free up hard drive space, Avira comes with the most advanced tune-up and clean-up tools bundled with an antivirus, including:

  • Startup optimizer. Saved a full 2 minutes from my PC’s start time!
  • Game booster. Automatically allocates system resources and stops background processes to improve system performance.
  • Junk file cleaner. Removes duplicates, unused files, and some cached files.

7. Avira Prime — Best for System Optimization

Avira Prime is a particularly good antivirus if you have an old or slow PC that’s often low on hard disk space. Avira’s system optimization tools had my old Windows 7 computer running like new — in fact, it almost seemed faster than my new Windows 10 PC! And since Avira’s antivirus engine operates entirely in the cloud, it won’t slow down your devices like many other competitors that download bulky software packages to your system.

At SGD82.11 / year, Avira Prime is a good value, but it’s pricier than some top-rated antivirus packages. Avira does have cheaper plans, including Internet Security (SGD62.95 / year), but Prime is the only package that includes advanced system optimization, the unlimited-data VPN, and mobile apps.

Avira’s free version is the best free antivirus software on the market — if you don’t want to spend any money right now, Avira Free can help keep your device protected with real-time protection, ransomware protection, and even a free version of Avira’s VPN.

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Read the full Avira review here >

8. Panda Dome — Best for Flexible Pricing

Panda offers an advanced virus scanner and easy-to-use interface, and it has 5 different pricing plans to choose from — I love that Panda provides its excellent security solution to everyone, regardless of budget. I’m also happy that Panda’s malware scanner performed well during testing (95% malware detection rate and 100% ransomware detection rate), and I liked most of the additional features too.

8. Panda Dome — Best for Flexible Pricing

However, I was disappointed with Panda’s VPN — it didn’t perform well in speed tests, and the unlimited-data VPN is only available on the most expensive plan. If you’re looking for a VPN included in an antivirus package, I’d recommend Norton or TotalAV.

On the other hand, I really like the Rescue Kit, which is a bootable version of Panda that can be operated from a thumb drive (in case your computer gets heavily infected by malware).

8. Panda Dome — Best for Flexible Pricing

There are a few different Panda plans to choose from, including a fairly limited free plan. Panda Free includes real-time virus protection for Windows and an app scanner for Android, plus a Rescue Kit and a VPN (limited to 1 server and 150 MB per day).

Essential, the most basic paid plan (SGD32.84 / year), adds a firewall and Wi-Fi protection. The Advanced plan goes for SGD38.99 / year and adds ransomware protection, while Complete (SGD58.84 / year) gets you a password manager and various optimization tools. All plans come with a 30-day money-back guarantee and let you choose how many devices you want to protect.

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Read the full Panda review here >

9. Trend Micro — Best for Secure Web Browsing

Trend Micro has a decent anti-malware engine, as well as an excellent web browser extension that monitors security risks, blocks online scams, and checks websites for unsafe content. The antivirus scanner scored pretty well in my testing, catching the majority of viruses, trojans, ransomware, and spyware on my system, though it didn’t score as well as top competitors like Norton and Bitdefender. Trend Micro also offers several scan customization settings, allowing users to adjust the malware protections.

9. Trend Micro — Best for Secure Web Browsing

Trend Micro detected more phishing websites than Chrome, Firefox, or Safari when I tested it. In addition, it detected scam links, unsafe content, malicious code, and even misinformation, and it also blocked ads and scanned my browsing history for any dangerous sites I may have visited accidentally.

9. Trend Micro — Best for Secure Web Browsing

Starting at SGD27.31 / year, Trend Micro offers several plans to choose from. Trend Micro Antivirus + Security protects 1 Windows device with malware protection, advanced ransomware protection, and a secure browser for online finances. Trend Micro Internet Security protects up to 3 devices (PC only) and adds device optimization tools, social networking protection, and parental controls. Trend Micro Maximum Security protects up to 5 devices (including Windows, Android, Mac, iOS, and Chromebook) and adds a password manager.

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Read the full Trend Micro review here >

10. Malwarebytes — Best for Basic Protection

Malwarebytes is a simplistic, easy-to-use antivirus that offers good virus protection for all operating systems and devices. During my tests, Malwarebytes’s advanced malware scanner detected around 90% of my test malware, which is pretty good (but not as good as top competitors like Norton or Bitdefender).

10. Malwarebytes — Best for Basic Protection

Malwarebytes also offers a VPN with unlimited data, servers in 30 countries, and decent speeds. However, Malwarebytes’s VPN isn’t a good choice for streaming or torrenting (if you’re looking for a good VPN to access streaming sites and torrent files, I recommend ExpressVPN).

That said, I’m a big fan of Malwarebytes’s web protection, which successfully identified and blocked most of the phishing sites I tried visiting during testing, as well as ads, trackers, and other potential scams.

10. Malwarebytes — Best for Basic Protection

Unfortunately, Malwarebytes doesn’t have any additional features that the other antiviruses on this list offer (like a firewall, PC optimization tools, parental controls, etc.). While I’d like to see Malwarebytes add some of these extra features, I still think it’s a pretty good choice for users looking for a minimalistic antivirus program that they can install and forget about. Malwarebytes starts at SGD51.31 / year.

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Read the full Malwarebytes review here >

Bonus. MacKeeper — Intuitive & Feature-Rich Antivirus for Mac

MacKeeper is one of the rare antiviruses specifically designed for Mac — and it comes with good malware protection, a range of security and privacy features that build upon Apple’s native protections, and a very intuitive macOS app.

Bonus. MacKeeper — Intuitive & Feature-Rich Antivirus for Mac

In my testing, MacKeeper detected over 99% of Mac-specific malware files, which is similar to the best antiviruses for Mac, including Intego and McAfee. And its Mac cleanup and optimization tools removed around 7 GB of junk and duplicate files from my MacBook Pro (I also really like how MacKeeper offers the option to delete unwanted email attachments, which is something I haven’t seen in any other antivirus).

Bonus. MacKeeper — Intuitive & Feature-Rich Antivirus for Mac

MacKeeper’s VPN is also really good — secure, fast, and able to access streaming sites like Netflix. The only thing I dislike about the VPN is the lack of transparency regarding the no-logs policy, so I’d like to see MacKeeper provide clearer information on how it manages user data.

On the other hand, MacKeeper is missing anti-phishing protection, which I consider to be a crucial security feature for an antivirus in 2023. It also doesn’t have a firewall or parental controls, both of which are included with Intego.

MacKeeper offers several plans that start at SGD14.99 / month. The plans are all the same, and the only difference between them is in the length of the subscription and the number of Mac computers covered (1-3).

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Read the full MacKeeper review here >

Comparison of the Best Antiviruses of 2023

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How I Rated the Best Antivirus Software of 2023

  • I tested malware detection rates and scanning capabilities. I conducted dozens of malware tests, real-time protection tests, CPU performance tests, and more. I did this to ensure each of these products provided rock-solid protection against all viruses, malware, and other dangerous internet security threats. Once done, only the products that protected against the most advanced malware threats made it to this list — these products not only detect and remove viruses but also tackle spyware, rootkits, ransomware, and anything else that could cause me or my devices harm. Norton and Bitdefender did the best here, but the other antiviruses on this list performed well, too.
  • I counted the number of false positives. While no antivirus is 100% immune to false positives, some programs raise fewer false positives than others — I still think it’s better for an antivirus to raise false positives than to miss real malware, but constantly getting false alerts can be pretty annoying. The antiviruses on this list returned zero or very few false positives during my tests.
  • I looked for high-quality features. Most antivirus brands offer additional features in their paid antivirus packages. But often these extras are just flashy additions that weigh your computer down and affect your device’s performance (not to mention increase the price). I tested each of the features included with the products on this list to guarantee that they’re genuinely useful and effective. Bitdefender has the biggest range of helpful features, but TotalAV comes with excellent tune-up tools.
  • I tested for speed and efficiency. The best antiviruses are lightweight and run smoothly — even on older or slower computers. I tested and measured how quickly and efficiently each antivirus on this list performed against all the other antiviruses on the market and awarded extra points to those that didn’t cause any slowdown.
  • I checked for multi-platform support. The top antiviruses are compatible with all operating systems, including popular ones like Windows, macOS, Android, and iOS. While not all of my top choices support all platforms (for example, Intego is designed exclusively for Mac), most antiviruses I tested worked flawlessly across all operating systems.
  • I contacted customer support multiple times. I contacted each company’s customer support team, browsed their knowledge bases, and posted questions on their forums. I was satisfied with how each antivirus on this list handled my inquiries and resolved my issues. I also looked at the different customer support options available and the number of languages they’re accessible in — the brands on this list offer a wide range of customer support options, including live chat, email support, knowledge bases, FAQs, and forums.
  • I evaluated the value of each product. Antivirus software can be a big investment. I considered all relevant factors, such as web and browsing protection, how many devices are covered, and whether or not there’s a free trial or money-back guarantee. All of these top antiviruses provide great value.
  • I used our testing methodology. Ultimately, I followed our tried and tested methodology when rating each of these products. I ran real-life scenarios with criteria that included checking security, speed, ease of use, value, and customer support. Each antivirus on this list performed better than competitors on the market and passed every check in our methodology.

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How to Choose the Best Antivirus for Your Operating System

All of the antiviruses on this list provide strong malware protection and a good range of additional cybersecurity protections, but not all of them are great for all operating systems. For example, an antivirus that works perfectly on Windows may have a limited macOS version, or it may provide subpar performance on mobile.

I can honestly recommend Norton as the best overall antivirus in 2023, having stress-tested all of the programs on this list on all of the most popular operating systems. In addition to having perfect malware detection rates and a comprehensive set of internet security tools, Norton provides well-designed, intuitive apps for Windows, Android, Mac, and iOS. While it doesn’t have an app for Chrome OS, its Android app also works on Chromebooks (and it’s our #1 choice for Chromebook protection).

You may also wish to take a look at our curated lists of the best antiviruses for different operating systems and devices below:

  • Best antiviruses for Windows. Most antivirus brands have the best protections for Windows devices, so choosing the best Windows antivirus can be difficult. But after extensive research, testing, and comparing, we recommend Norton as the top pick for Windows 8, 10, and 11.
  • Best antiviruses for Mac. Unfortunately, because most antiviruses focus on Windows, a lot of them provide only bare-bones versions of their Windows software for Mac users. However, there are several really good macOS antiviruses that provide good malware protection, improve upon Apple’s built-in protections, and are easy to use on Mac devices. Our top choice for macOS is Intego.
  • Best antiviruses for Android. Many Android antiviruses aren’t good enough to fully protect your device from the latest internet threats, but there are a handful of apps that provide excellent malware and web protection, as well as extras that can further secure your online activities. We recommend Norton or Bitdefender as the top Android antiviruses.
  • Best antiviruses for iOS. While it’s true that iOS devices can’t get viruses, they are vulnerable to a wide range of online threats, including phishing scams, spyware and adware, and identity theft. The best iOS antiviruses can keep your device and data safe from all of these threats. Our #1 antivirus for iOS is Norton.

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Built-In vs. Third-Party Antiviruses — Which is Better?

A reliable third-party antivirus is a better option. The built-in protections of Mac and Windows operating systems cannot match the comprehensive security offered by a premium antivirus solution. While the basic free protections provided by these systems are a good start, they don’t offer sufficient defense against advanced threats in 2023.

If you’re a Windows user, you’ll have Windows Defender on your computer (newer Windows 10 and 11 computers call it Windows Security or Microsoft Defender). While it’s a decent free antivirus, it scores consistently lower for malware detection than top standalone brands like Norton and Bitdefender. What’s more, it doesn’t get updated as regularly as premium standalone products, and it lacks all the additional security tools that a good paid antivirus can provide, such as a VPN, performance optimization tools, a password manager, and more.

Instead, I recommend investing in a premium antivirus like Norton to keep yourself safe online. It has a comprehensive suite of tools to ensure your security — including the best dark web monitoring on the market. However, if you’re set on using a free product, a decent free plan like Avira’s will also keep you safer than Windows Defender can.

Macs are less vulnerable to malware than Windows PCs — but they still need protection! Macs come with a few built-in security features, including web protection, anti-theft tools, an app review tool, and an app scanner. These are useful enough, but on their own they’re not enough to keep you safe. Your Mac could still be vulnerable to advanced ransomware, spyware, adware, and other threats.

For enhanced protection on Mac, consider using a premium Mac-specific antivirus such as Intego. It provides impeccable malware detection, effective Mac cleanup tools, parental controls, and numerous other features.

Overall, it’s not wise to rely on your computer’s in-built protections. Instead, choose a reliable premium antivirus to keep you fully protected online. Any of the products on my list will give you better protection than Windows’s and Mac’s in-built tools can.


What Security Threats Can an Antivirus Protect You Against?

A quality antivirus provides strong protection against most security threats. Here are the most common forms of malware that antiviruses defend against:

  • Viruses. A type of malware that can self-replicate and make unauthorized (and malicious) changes to your computer. These are reliably detected and quarantined by premium antiviruses.
  • Potentially Unwanted Programs (PUPs). PUPs are a type of software that can modify your browser settings and fill your screen with ads. They aren’t necessarily malicious or illegal, but they tend to be annoying and invasive.
  • Adware. If you’re seeing an uptick in ads, adware could be the cause. Adware is a type of malware that drowns you in advertisements. They can interfere with your device even when you’re not connected to the internet, causing frustration and collecting data.
  • Spyware. A general term for malware designed to acquire sensitive information about the victim. In the best scenario, a spyware infection could lead to eerily targeted ads. But often the situation is much worse, with keyloggers (a type of spyware) stealing passwords and other personal information to sell to third parties.
  • Trojans. Arguably the most dangerous type of malware, trojans are viruses that initially appear to be normal programs. But after certain conditions are met, they begin acting maliciously, replicating themselves across your network, stealing data, and damaging devices.
  • Worms. Worms are viruses that automatically spread, infecting everything they can. Unlike trojans, they cause damage immediately. This could involve corrupting files, operating systems, or spamming annoying messages.
  • Ransomware. A type of malware that encrypts files to hold for ransom — ransomware will display a message with instructions about what you need to do to regain control of your device. The best defense is an antivirus with ransomware remediation (such as Bitdefender) that will halt the encryption process, as there’s no guarantee that cybercriminals will relinquish control even if they’ve been paid.
  • Rootkits. Rootkits are a particularly dangerous type of malware that can seize administrator privileges and otherwise make critical changes to computers.
  • Browser exploits. A good antivirus (like the ones on this list) will automatically detect suspicious activity in your browser, preventing hackers from using vulnerabilities to change your browser’s settings or perform other malicious actions.
  • Phishing attempts. Phishing is a method that criminals use to steal personal information and take over accounts. Antiviruses are built to detect web-based phishing attempts, usually through databases of malicious websites.

In short, antiviruses protect against all major types of threats, and the best ones are extremely effective at doing so. But it’s important to remember that nothing is perfect — even with the best antivirus, you still need to be careful online.

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Why We Still Recommend Kaspersky

The German and US governments have warned against using Kaspersky, following the Russian invasion of Ukraine in February 2022. Germany’s Federal Office for Information Security (BSI) warned companies against using Kaspersky antivirus products due to the company’s possible ties to the Russian government. This was followed by the US Federal Communications Commission’s decision to add Kaspersky to its list of national security threats.

However, at this point, there is no evidence to suggest Kaspersky is unsafe. In 2017, Kaspersky started its Global Transparency Initiative — it moved its data storage centers to Switzerland, opened Transparency Centers in Switzerland, Spain, Canada, Brazil, and Malaysia where its source code and software updates are continually assessed, and passed the Service Organization Control for Service Organizations (SOC 2) Type 1 audit.

What’s more, Kaspersky has exposed many cases of cyber espionage, including those perpetrated by both Russia and the US, and its researchers are among the most well-respected in the industry.

Given all this, we have no reason to think Kaspersky is now a threat to users. But if you’re worried about Kaspersky putting your online security at risk, there are many other alternatives to choose from, including Norton or Bitdefender.

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Frequently Asked Questions

What are viruses and malware?

Viruses and malware are terms for threats that damage devices, steal information, or otherwise inconvenience the user. Viruses take the form of malicious self-replicating software, while malware is a more general term that covers any software designed to cause harm. There are many types of malware and viruses that fall into different categories and act in different ways to accomplish various malicious objectives. For victims of malware and viruses, this can mean anything from being bombarded with ads to having critical financial and personal information stolen.

Ultimately, viruses and malware are digital traps laid by criminals to make money or frustrate others. They take many forms, and all of them are bad.

How does an antivirus work?

Antivirus software scans your device for any harmful files. These harmful files are known as viruses or malware — and they include a wide range of different threats, like trojans, worms, spyware, adware, keyloggers, cryptojackers, rootkits, and more. In most cases, malware is designed to damage your device or gain access to your sensitive data for financial gain — or both.

Antivirus programs use malware databases to see if the code of any of your scanned files matches the code of known malware in the database. They also check for files that are similar to the ones in the database. Advanced programs like Norton also use machine learning to detect malware based on their behavior. This is how antivirus software is able to detect new or emerging malware.

In addition to providing an on-demand malware scanner that detects and removes malware that has already infected your system, antivirus software also includes real-time protection that actively scans the programs that are running in real-time. Real-time protection is therefore able to block malware BEFORE it can infect your device.

Antiviruses can sometimes flag safe files as unsafe. These are known as false positives. If this happens, all you have to do is whitelist the program, and your antivirus will allow it to run. Whitelisting files is easy, but you should only do it if you are certain that a file is 100% safe.

What’s the best antivirus software for Windows 10?

I recommend Norton 360 as the best antivirus for most Windows 10 users. It provides the best antivirus protection according to my tests, and it includes some excellent extra features — phishing protection, Wi-Fi protection, a password manager, a firewall, a VPN, and a lot more.

But all of the antiviruses on this list will work for all Windows 10 users (and many even work on older PCs that run on Windows 7 and Windows XP).

What’s the best antivirus with a firewall?

In my opinion, Norton is the best antivirus that includes a firewall. It has lots of excellent security features, of which the firewall is just one. It’s earned its position at the top of this list thanks to its perfect malware detection rates and other useful features, all of which are easy to use. The firewall is highly customizable, meaning it’s great for experts and beginners alike. It’s also super effective, providing ARP and DNS spoofing protection, SSL man-in-the-middle attack detection, and port access detection.

Do I really need an antivirus in 2023?

If you’re using the internet, you need to stay protected against online threats. The good news is that you’re probably already using an antivirus — if you’re on Windows, Mac, or mobile OS, your devices already have antivirus protection. And these built-in antiviruses are not bad. But they do leave a lot of holes in your cybersecurity.

The top antivirus packages all offer advanced protections — full-suite anti-malware engines (including phishing protection, ransomware protection, webcam protection, and Wi-Fi protection), security enhancements (including customizable firewalls, parental controls, and device optimization), and extra features (like password managers, file shredders, and VPNs). Norton 360 and Bitdefender Total Security both have all of these things and more.

So the question of buying an antivirus isn’t so much about if you need it — because you do — but it’s more about what level of protection you want to have.

Is it worth paying for antivirus software?

Yes. While free antivirus software, including Windows Defender that’s built into all PCs, has greatly improved over the years, it still lacks many protections necessary for complete online security in 2023.

For example, most free antiviruses lack real-time protection, which prevents malware from installing on your device while you’re using your computer. Free products also lock some of their most useful features behind a paywall, such as ransomware protection, web protection, or virtual private networks (VPNs).

The best paid antiviruses, on the other hand, include all of these features, plus many other extras (like password managers, parental controls, and system optimization tools). Premium antiviruses like Norton also include multi-device coverage across all major operating systems so you can protect all of the devices in your household.

How much does a good antivirus cost?

A decent antivirus doesn’t cost much at all, especially considering the protection one offers.

For example, Norton, our top-rated antivirus, starts at just SGD27.36 / year. You can also pay a little extra to upgrade your plan to cover all of your devices and to access more features, such as dark web monitoring, a VPN, and identity theft protection.

However, some antivirus products are far too expensive and don’t provide good-quality features, so it’s always best to look for antiviruses that offer a good value for the price.

What’s the best antivirus for ransomware protection?

I think that Norton provides the best defense against ransomware. I say this based on my own tests and first-hand knowledge of Data Protector, Norton’s anti-ransomware feature. It’s a highly customizable tool that actively defends against ransomware by closely monitoring what’s going on with your files. I found that even after whitelisting a ransomware simulator through the Norton app, Norton still stopped it from encrypting my files. I haven’t tested any antivirus that scored a higher ransomware detection rate than Norton.

What is the cheapest antivirus software?

Bitdefender is one of the cheapest antiviruses on the market, starting at just SGD20.52 / year, and it also offers some of the best security features around.

However, most top antivirus brands regularly run special promotional offers, significantly reducing their price per subscription (for example, Norton is currently offering a 58% discount, so its plans start at just SGD27.36 / year).

It’s worth noting that some cheap (and free) antiviruses don’t offer a decent level of protection, so while you may be saving money, you could put your devices at risk. That’s why you should only choose a trusted low-cost antivirus that offers excellent security protections.

What’s the best antivirus software for Mac?

I recommend Intego as the best antivirus for Mac. It’s designed exclusively for macOS, and it performed exceptionally well in my tests. It’s got a lot of cool features like real-time protection and a customizable network firewall.

That said, most of the antivirus products on this list have highly capable Mac applications as well. And they all run without any issues, even though there may be certain conditions.

For example, Norton 360 is a great choice for Mac users, but certain features (such as Cloud Backup and Parental Control) are limited on Mac due to Apple’s restrictions.

Can I have more than 1 antivirus on my computer?

Though it’s possible, I don’t recommend running more than 1 antivirus at a time. When multiple antiviruses are active on the same system, they interfere with each other, making it easier for viruses and other threats to slip past your computer’s defenses. There are lots of great antiviruses to pick, and you won’t ever need more than one of them.

Do phones need an antivirus?

Yes, they do. Whether you have an iPhone or an Android, it’s always a good idea to protect your phone with an antivirus. Though the specific nature of the threats is different compared to computers, mobile devices are great targets for cybercriminals. Phishing is a common problem on Android and iOS, and there are many viruses that can compromise Android phones. Some of the brands on this list have mobile versions, but I recommend checking out our dedicated pages for iPhones and Android devices.

How to install an antivirus?

Installing an antivirus is pretty easy — much easier than fixing a virus-infested computer. All you need to do is pick an antivirus like Norton, download the software, and run the installation wizard. As you’re going through the installation wizard, read the instructions carefully — some antiviruses like to package additional software in their installations that you don’t really need. Once done, the antivirus software will start automatically and provide you with a tour of its user interface, instructing you how to run your initial scan.

How do I choose the best antivirus software for me?

Choosing the right antivirus software package can be challenging — there are so many choices, and the most expensive products don’t always offer the best protection.

Here’s what you should do to help you find the right antivirus product:

  • Decide what features you need. Basic antivirus protection is essential, but other internet security features are also important. If you use public Wi-Fi networks, you should choose a product that includes a VPN. If you have kids, you should find an antivirus with parental controls. The more comprehensive products on this list, such as Norton 360, provide these advanced features (and a lot more).
  • Consider which and how many devices you need to protect. You might have more than one device that requires antivirus protection. All the products on this list offer plans with multiple licenses — for example, you can use the top McAfee plan on an unlimited number of devices, including smartphones. While most of my top choices also offer top-quality apps for all major operating systems, including Windows, macOS, Android, and iOS, some antiviruses don’t have mobile apps — for example, Intego doesn’t have an app for iOS or Android, but it’s my top recommendation for macOS.
  • Take advantage of a free trial/money-back guarantee. There are several brands on this list that offer a no-commitment free trial. For example, your first month using Panda is totally free. And almost every other brand offers a “no questions asked” money-back guarantee — for example, TotalAV offers a 30-day refund period, and Norton’s refund period is a generous 60 days.
  • Test out the software. Spend some time testing the product you’ve chosen. If you’re not happy, reach out to customer support. Or simply get a refund — these brands have seriously good reputations to maintain, and they will 100% honor any valid refund request. You could conceivably test every product on this list — at no expense whatsoever — before settling on the right one.

Will an antivirus slow down my device?

Antivirus software may slow down your device — but system slowdown usually happens only during a full system scan. However, the best antivirus programs run quickly and smoothly even during full scans, allowing you to uninterruptedly use your device.

My top choices, Norton and Bitdefender, had zero impact on my device’s performance during testing — I could stream video, play games, work online, and make video calls while they were running in the background.

Additionally, some of my top choices have excellent system optimization tools that will help clean and speed up your device. And some brands even include game boosters (I recommend Norton for gamers), which enable you to play high-performance games without any lag.

Best Antivirus Programs in 2023 — Final Score:

Conclusion: So above is the 10 Best Antivirus Software in 2023: Windows, Android, iOS, Mac article. Hopefully with this article you can help you in life, always follow and read our good articles on the website: W Tài Liệu

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