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 ...

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 ...

A critical zero-day vulnerability in Windows servers running the Kerberos authentication system, first disclosed in May, has now been patched by Microsoft, but must be given high priority by admins ...

Microsoft is working on a fix for a bug in last week's patch for a bypass vulnerability in the Kerberos Key Distribution Center (KDC) security feature. Microsoft has flagged the issue affecting ...

Some machines on our Win2k domain are authenticating via kerberos and some via NTLM. From what i've read, win2k clients will use kerberos by default, however some are still using NTLM, and some ...