Security News

Microsoft enforces defenses preventing NTLM relay attacks
2024-12-11 12:59

Since making Kerberos the default Windows authentication protocol in 2000, Microsoft has been working on eventually retiring NTLM, its less secure and obsolete counterpart. Until NTLM gets...

Micropatchers share 1-instruction fix for NTLM hash leak flaw in Windows 7+
2024-12-06 23:34

Microsoft's OS sure loves throwing your creds at remote systems Acros Security claims to have found an unpatched bug in Microsoft Windows 7 and onward that can be exploited to steal users' OS...

New Windows zero-day exposes NTLM credentials, gets unofficial patch
2024-12-06 16:32

A new zero-day vulnerability has been discovered that allows attackers to capture NTLM credentials by simply tricking the target into viewing a malicious file in Windows Explorer. [...]

Russian Hackers Exploit New NTLM Flaw to Deploy RAT Malware via Phishing Emails
2024-11-14 05:43

A newly patched security flaw impacting Windows NT LAN Manager (NTLM) was exploited as a zero-day by a suspected Russia-linked actor as part of cyber attacks targeting Ukraine. The vulnerability...

Microsoft Fixes 90 New Flaws, Including Actively Exploited NTLM and Task Scheduler Bugs
2024-11-13 07:14

Microsoft on Tuesday revealed that two security flaws impacting Windows NT LAN Manager (NTLM) and Task Scheduler have come under active exploitation in the wild. The security vulnerabilities are...

Windows Themes zero-day bug exposes users to NTLM credential theft
2024-10-30 21:30

Plus a free micropatch until Redmond fixes the flaw There's a Windows Themes spoofing zero-day bug on the loose that allows attackers to steal people's NTLM credentials.…

Exploit released for new Windows Server "WinReg" NTLM Relay attack
2024-10-22 17:26

Proof-of-concept exploit code is now public for a vulnerability in Microsoft's Remote Registry client that could be used to take control of a Windows domain by downgrading the security of the...

Security Flaw in Styra's OPA Exposes NTLM Hashes to Remote Attackers
2024-10-22 14:12

Details have emerged about a now-patched security flaw in Styra's Open Policy Agent (OPA) that, if successfully exploited, could have led to leakage of New Technology LAN Manager (NTLM) hashes....

Week in review: MS Office flaw may leak NTLM hashes, malicious Chrome, Edge browser extensions
2024-08-18 08:00

Unpatched MS Office flaw may leak NTLM hashes to attackersA new MS Office zero-day vulnerability can be exploited by attackers to grab users' NTLM hashes, Microsoft has shared late last week. Key metrics for monitoring and improving ZTNA implementationsIn this Help Net Security interview, Dean Hamilton, CTO at Wilson Perumal & Company, discusses the complexities of zero trust network access implementation, focusing on balancing security with operational efficiency.

Unpatched MS Office flaw may leak NTLM hashes to attackers (CVE-2024-38200)
2024-08-12 10:23

A new MS Office zero-day vulnerability can be exploited by attackers to grab users' NTLM hashes, Microsoft has shared late last week. Once attackers get a victim's NTLM hash, they can relay it another service and authenticate as the victim.