Microsoft's own antivirus service comes pre-installed on Windows, but our expert antivirus tests prove there are better alternatives. Tom MorganSenior Consumer Writer With over a decade of experience ...

Q: Are Windows Defender warnings that pop up with a phone number legit? A: Microsoft’s built-in security tool has improved over the years, and it still blocks plenty of everyday threats. But the ...

Microsoft Defender is a tad short on features and can’t quite match the market leaders in terms of protection, but it’s easy to use and does a decent job at keeping you safe. Why you can trust ...

Our team tests, rates, and reviews more than 1,500 products each year to help you make better buying decisions and get more from technology. Microsoft 365 Defender is for the die-hard Microsoft ...