CISA has ordered U.S. federal agencies to patch a Microsoft Defender privilege escalation flaw (dubbed BlueHammer) that has ...

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

Threat actors have been exploiting the BlueHammer Microsoft Defender vulnerability as a zero-day to gain System privileges.

A researcher known as "Chaotic Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, ...

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

I was recently talking to someone I know about using Windows Defender to scan their system, and they decided to use the "offline scan" option (the one that reboots and does a scan before loading ...