Windows Defender has several security settings, including some you need to switch on to get the utmost protection. Here's why ...

Discover the highest ranked antivirus programs for Windows 10 and 11. See whether you need to save or splurge to protect your device, what features to ...

Defender is 'usually sufficient,' it says in a blog post that might rile up the antivirus industry.

A fake Claude AI website spreads the new Beagle Windows backdoor through a malicious installer disguised as a Claude-Code developer tool.

Microsoft’s April 2026 Patch Tuesday fixes 165 vulnerabilities, including two zero-days, in one of the company’s largest monthly security updates.

ClickFix relies on tricking users into essentially hacking themselves by running commands that compromise their computers. In ...

Microsoft is introducing major changes to Windows 11 updates, offering users more control over timing and frequency, while the US government warns agencies to patch a critical Microsoft Defender flaw ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Founded in 1990 as an antivirus company, Bitdefender now ...

Learn how to find Microsoft Defender Antivirus Signature Version in Windows 11 using Windows Security, PowerShell, Intune, ...

Microsoft Defender is detecting legitimate DigiCert root certificates as Trojan:Win32/Cerdigent.A!dha, resulting in ...

Although the team with Microsoft moved swiftly to patch the BlueHammer vulnerability, other exploits still threaten Microsoft Defender and Windows users.