The Kerberos authentication method originated at the Massachusetts Institute of Technology in the 1980s, as part of a project called Athena. The project involved integrating the computers on the MIT ...

While Windows IT professionals deal with security on a daily basis, very few understand the under-the-hood protocol, Kerberos. Kerberos is a security protocol in Windows introduced in Windows 2000 to ...

Microsoft confirms Kerberos and NTLM login failures in Windows 11 24H2, 25H2, and Server 2025 due to duplicate SIDs after ...

Account administration in a distributed UNIX/Linux environment can become complicated and messy if done by hand. Large sites use special tools to deal with this problem. In this article, I describe ...

Two implementations of the Kerberos authentication protocol received patches this week against a vulnerability that allowed a threat actor to bypass authentication procedures. The vulnerability was ...

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 ...

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 ...

The KDC-spoofing flaw tracked as CVE-2021-23008 can be used to bypass Kerberos security and sign into the Big-IP Access Policy Manager or admin console. F5 Networks’ Big-IP Application Delivery ...