Best Antivirus Software for 2024 – CNET [CNET]

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After spending hundreds, sometimes thousands, on a new PC, the last thing you need is to have it compromised. Unfortunately, that is a real possibility. Even the best PCs are susceptible to viruses and malware, no matter how much they cost. Regularly checking your computer’s health can save you from headaches in the future — whether from scammers or your computer just not working as it should. A great way to protect your device and personal information is by investing in the best antivirus software you can afford.  

Windows devices account for nearly 70% of laptop or desktop operating systems, according to the latest data from Statcounter. Windows-targeted malware has a larger base of devices to infect, giving it more potential in the eyes of cybercriminals, so all our antivirus picks work on Windows.

Currently, CNET’s top pick for the best antivirus software is Microsoft Defender, the tech giant’s free antivirus solution built into Windows 10 and Windows 11 machines. At CNET, we’ve spent years testing and researching dozens of online security and privacy tools like VPNs, password managers and antivirus software to help readers find the best solutions for their needs. Take a look through our recommended antivirus services below to see which one fits you best.

Note: Pricing for antivirus services can be complicated, since providers frequently offer low introductory prices to entice you to sign up for their services. After the first billing period — typically a year or two, depending on the plan you purchase — the amount you pay for the service may increase substantially (sometimes double the introductory rate). Be sure to check the terms of the subscription plan before you buy, so you won’t get an unwelcome surprise when your subscription renews. 

Because the company has been in the news the past few years, let’s talk about Kaspersky Lab — specifically about the federal ban that blocks US government agencies from using Kaspersky Antivirus products.

Based in Moscow, Kaspersky Lab has for years produced some of the best antivirus software for business antivirus needs and home customers. But in 2017 the US government prohibited Kaspersky security cloud software on federal government computers because of alleged ties between Kaspersky and the Russian government.

Notably, the ban does not apply to its consumer products such as Kaspersky Total Security and Kaspersky Anti-Virus. But as with China-based Huawei, the question remains: If the federal government doesn’t think the products are safe enough for its own devices, should consumers avoid them as well?

In a statement sent to CNET, the company said, “Kaspersky Lab has no ties to any government, and the company has never, nor will ever, engage in cyber offensive activities. Kaspersky Lab maintains that no public evidence of any wrongdoing has been presented by the US government, and that the US government’s actions against Kaspersky Lab were unconstitutional.”

In Kaspersky’s favor, it continues to earn top scores and awards for virus and malware detection and endpoint protection from independent testing labs. And it’s reasonably priced.

In the end, even though no one has ever publicly produced a “smoking gun” linking the company to Russian intrigue, we think any of the options listed above is a safer bet. And if you are a US government employee or work with the federal government, you’ll want to steer clear of Kaspersky internet security products — and perhaps use one of the antivirus software products mentioned here instead.

Picking the best antivirus software for Windows means finding one that keeps your PC safe, doesn’t take up a lot of system resources, is easy to use and stays out of the way till you need it. Here’s what to look for.

Effectiveness: Antivirus software runs virus scans for known viruses and malware, of course, and can offer real-time protection. And it watches for shady websites and suspicious links to keep you out of trouble. It can also offer ransomware protection and monitor unexpected behavior that may be a sign of new and not-yet-identified viruses and malware. You want antivirus software that can successfully identify these unknown online threats without flagging too many false positives.

Light on system resources: You don’t want antivirus software that taxes your PC’s resources. If after you install the program, websites open slowly, apps download or open sluggishly or file copies take longer than expected, you may want to try another service. The good news is, all our picks offer a free trial or money-back guarantee to let you try out the antivirus program, so if your system feels sluggish after installation, you may want to keep looking.

Cost and discounts: Don’t just pay the sticker price for antivirus protection. Before you buy, check for discounts on a company’s website. Another way to save: The prices we list above are for 10 devices — if the company offered that package — but you can trim your cost with antivirus packages if you need to cover three or five devices. You may also find discounts on an app’s Amazon page.

Privacy: To be effective, antivirus software needs to monitor what’s going on with your PC, check in with company servers about unusual behavior and should provide sound banking protection. The companies say they anonymize this technical data as much as possible to protect your privacy. But if you want to know more, the security companies on our list post privacy policies on their websites, so read their privacy statements to learn what the companies do with the information you share.

Protection for other platforms: Microsoft is by far the biggest target for viruses and malware. But Android is second, with just under 1% of apps installed on Android devices with Google Play Protect in the potentially harmful app, or PHA, category.

The threat to MacOS and especially iOS is low, in part because of the tight control Apple has over its app stores. While the Mac does come under attack via side-loaded apps, it’s rare, and if you download apps only from the Mac and iOS app stores and keep your guard up when clicking links and download files, you should be OK without an antivirus app on Apple devices.