“We built these tools because we believe that AI safety has to become a continuous engineering discipline rather than a periodic checkpoint, and we think the best way to make …
Tag:
Microsoft
Safety & Security
Microsoft Open-Sources RAMPART and Clarity to Secure AI Agents During Development
by David Walker
Ravie LakshmananMay 20, 2026Artificial Intelligence / Security Testing Microsoft has unveiled two new open-source tools called RAMPART and Clarity to assist developers in better testing the security of artificial intelligence …
For the first time in nearly two years, Microsoft’s monthly security update featured no actively exploited zero-day vulnerabilities or previously disclosed flaws. But that welcome reprieve aside, Microsoft’s May 2026 …
Safety & Security
Three Microsoft Defender Zero-Days Actively Exploited; Two Still Unpatched
by David Walker
Ravie LakshmananApr 17, 2026Vulnerability / Endpoint Security Huntress is warning that threat actors are exploiting three recently disclosed security flaws in Microsoft Defender to gain elevated privileges in compromised systems. …
Safety & Security
Russia Hacked Routers to Steal Microsoft Office Tokens – Krebs on Security
by David Walker
Hackers linked to Russia’s military intelligence units are using known flaws in older Internet routers to mass harvest authentication tokens from Microsoft Office users, security experts warned today. The spying …
Microsoft Corp. today pushed security updates to fix at least 77 vulnerabilities in its Windows operating systems and other software. There are no pressing “zero-day” flaws this month (compared to …
Safety & Security
Microsoft flips security script: ‘In scope by default’ makes all vulnerabilities fair game for bug bounties
by David Walker
However, these rules of engagement prohibit red teamers from using or accessing credentials that aren’t their own, launching phishing attacks against Microsoft employees, performing denial-of-service testing or other testing that …
Safety & Security
Microsoft Patch Tuesday, December 2025 Edition – Krebs on Security
by David Walker
Microsoft today pushed updates to fix at least 56 security flaws in its Windows operating systems and supported software. This final Patch Tuesday of 2025 tackles one zero-day bug that …
Safety & Security
Rhysida ransomware exploits Microsoft certificate to slip malware past defenses
by David Walker
“Microsoft Trusted Signing certificates are issued with a 72-hour validity period. After that, the certificates expire and need to be renewed. This short period makes the standard process of purchasing …
Safety & Security
Microsoft Revokes 200 Fraudulent Certificates Used in Rhysida Ransomware Campaign
by David Walker
Oct 17, 2025Ravie LakshmananMalware / Cybercrime Microsoft on Thursday disclosed that it revoked more than 200 certificates used by a threat actor it tracks as Vanilla Tempest to fraudulently sign …
- 1
- 2