Microsoft is investigating a new known issue causing enterprise domain controllers to experience Kerberos authentication problems after installing security updates released to address CVE-2020-17049 ...

Microsoft has released out-of-band optional updates to fix a known issue that causes Kerberos authentication problems on enterprise domain controllers after installing security updates released ...

Microsoft eased enterprise security teams into 2024 with a relatively light January security update consisting of patches for 48 unique CVEs, just two of which the company identified as being of ...

A bypass bug present in the Kerberos cryptographic authentication protocol for 21 years has now been fixed in patches from Microsoft, Samba, Fedora, FreeBSD, and Debian. The discoverers of the ancient ...

Server: Fully-patched 2008 R2, running Certificate Services. The /certsrv virtual directory is using (I believe) default settings. Specifically, this means it's using Windows Authentication, with NTLM ...

Several readers responded to my previous post on pass-the-hash attacks, asking if Kerberos authentication versus LANManager, NTLM, or NTLMv2 was an effective defense. It’s a good question, one that I ...

Do you think Microsoft’s Kerberos implementation follows the Kerberos standard? Add your comments and questions to the online Kerberos discussion. In Greek mythology , Kerberos is the three-headed ...

The various versions of Windows have used Kerberos as its main authentication protocol for over 20 years. However, in certain circumstances, the OS has to use another method, NTLM (NT LAN Manager).

Microsoft this week indicated that it plans to eliminate the need to use the New Technology LAN Manager (NTLM) protocol in Windows 11, with Kerberos taking its place. NTLM use has long been a ...

Microsoft has released a total of 49 new patches marking the first Patch Tuesday event of 2024, addressing a variety of vulnerabilities across its product estate, among them two critical bugs ...