Angry Hacker Drops Microsoft Zero-Day Exploit, 1 Billion Users Warned

A security researcher frustrated with Microsoft has released the BlueHammer Windows zero-day exploit, telling the company, “I'm not explaining how this works.” ...

These 5 critical Windows Defender settings are off by default - turn them on ASAP

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

Microsoft Defender Flaws Exploited on Windows, Two Left Unpatched

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

Microsoft Defender wrongly flags DigiCert certs as Trojan:Win32/Cerdigent.A!dha

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

Hackers are abusing unpatched Windows security flaws to hack into organizations

A security researcher published details of three security vulnerabilities in Windows Defender, and the code used to exploit them. Now, hackers are taking advantage of the vulnerabilities in real life ...
Forbes

Hackers Bypass Windows Defender Security — What You Need To Know

Update, March 31, 2025: This story, originally published March 29, has been updated with an explanation of LOLBINS as well as further technical information regarding the Windows Defender Application ...

Unpatched Windows zero-days RedSun, UnDefend, and BlueHammer are being attacked

The zero-day vulnerabilities in Windows Defender named BlueHammer, RedSun, and UnDefend are apparently being attacked.