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 ...

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 ...

Microsoft is investigating a new known issue causing enterprise domain controllers to experience Kerberos sign-in failures and other authentication problems after installing cumulative updates ...

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 ...

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 ...

Authentication sits at the heart of enterprise security, making passwords and the authentication mechanisms that use them, prime targets for cybercriminals. For more than 90% of organizations that use ...