CISA says ransomware gangs are exploiting Microsoft Defender’s BlueHammer flaw, patched in April 2026 after zero-day reports.

Microsoft Defender offers great protection from malware -- but there are other online threats you might want to consider, too.

CISA confirmed on Monday that ransomware gangs are now exploiting a Microsoft Defender privilege escalation vulnerability, dubbed BlueHammer, that has previously been abused in zero-day attacks.

BlueHammer became public on April 2 in an unusual fashion. A researcher using the names Chaotic Eclipse and Nightmare Eclipse ...

This month’s updates help security and IT teams strengthen identity and multicloud foundations, protect data wherever it ...

Microsoft is trying to fix the RoguePlanet zero-day vulnerability impacting Defender on Windows 11 and Windows 10.

We installed WSL Containers on Windows 11, built a custom container from scratch, tested it, and checked what still needs ...

This year will see brand new plug-in-hybrid cars in India coming to the common people. Find out what is in the budget for you ...

Time for a better security model for containerized workflows ...

The most important thing that we found was really that this backlog was going to exist forever unless NIST made some ...

You may consider this appeal itself divisive and unjustified, but do internalize that many fine, patriotic and responsible ...

This isn’t something that’s just launched to go look in people’s windows and people’s backyards,” said Chief Eric Smith.