Windows Defender is improving, but you still shouldn't rely on Windows 10's security tools as your sole means of protection. Many free third-party security apps are more effective at keeping you safe. We've tested 17 no-cost services to help you find the best free antivirus for protecting your PC.
Despite what you may have heard, your Apple computer is not immune to malware. We test the top contenders to identify those offering the best Mac antivirus protection.
Antivirus software is critical for every PC. Without it, you risk losing your personal information, your files, and even the cash from your bank account. We've tested more than 40 utilities to help you pick the best antivirus protection for your computers.
Clario puts the focus on the user’s needs, not on its own antivirus technology, and it offers always-on live chat help. This newcomer is one to watch, though there's no Windows client yet.
K7 Antivirus Premium gets decent scores from the labs that include it in their tests, and it offers numerous bonus features. However, it lacks the expected protection against malicious and fraudulent websites, and some of its bonus features don’t do much.
IObit Malware Fighter Pro looks snazzy and offers a nice collection of security features, but it didn't do well in our tests, particularly those against ransomware.
Avira Antivirus Pro offers the same basic protection as Avira Free Security, plus a few added features that don't all work well. Stick with the free edition or, in a business setting, make a better and less expensive choice.
MacKeeper offers lots of security and tune-up features, but no labs verify its capabilities and its price is way out of line with the competition.
Viruses, Trojans, and other malicious programs attack your OS and your apps. With phishing attacks, the target is you, the user. Here's how to protect your personal information and avoid phishing scams.
Avira Free Antivirus for Mac costs nothing, and it’s easy to use, but its independent lab test scores have dropped a bit.
Unlike its free spyware-only sibling, Spybot - Search & Destroy +AV protects against all types of malware and offers real-time protection. It’s inexpensive, but its quality doesn’t come near that of our top choices.
Avira Free Security goes beyond basic antivirus with dozens of security-related utilities. However, many require payment for full functionality.
Isn’t the built-in security on today’s PCs, phones, and tablets good enough? The answer depends on the OS you’re running.
The free Spybot - Search & Destroy only promises to remove spyware and other privacy threats, but in testing it didn’t even do that. There’s no compelling reason to add this dated tool to your security arsenal.
More phones and tablets run Android than any other mobile OS, and there's a correspondingly huge variety of malware. Based on our testing, these are the best Android antivirus apps to keep your devices safe.
Any effective antivirus software should protect you against all types of malware, including spyware. Among the many antivirus apps and security suites we've reviewed, these top choices offer the best spyware protection.
A new Windows PC typically comes with software you don't want. Here's how to deal with it.
Malware comes in many forms, but one thing's for sure—you don't want it attacking your computer. We've tested nearly 100 anti-malware apps to help you find the the best malware protection and removal software for all your devices.
G Data Antivirus gets decent marks from the independent testing labs and excellent scores in some of our own tests. Beyond basic antivirus, it includes a spam filter as well as components designed to fight ransomware and other malware types.