“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 …
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Microsoft
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 …
Safety & Security
Microsoft Patch Tuesday, September 2025 Edition – Krebs on Security
by David Walker
Microsoft Corp. today issued security updates to fix more than 80 vulnerabilities in its Windows operating systems and software. There are no known “zero-day” or actively exploited vulnerabilities in this …
Safety & Security
VoidProxy phishing-as-a-service operation steals Microsoft, Google login credentials
by David Walker
“By offering this sophisticated PhaaS, VoidProxy lowers the technical barrier for a wide range of threat actors to execute AitM phishing attacks. Accounts compromised using PhaaS platforms facilitate numerous malicious …
Microsoft today released updates to fix more than 100 security flaws in its Windows operating systems and other software. At least 13 of the bugs received Microsoft’s most-dire “critical” rating, …
“The phishing campaigns leverage multi-factor authentication (MFA) attacker-in-the-middle (AiTM) phishing kits like Tycoon,” researchers added. “Such activity could be used for information gathering, lateral movement, follow-on malware installations, or to …