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 ...

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 ...

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 ...

AS-REP roasting is one of those identity attacks that can sit quietly in the background until an attacker has already gained useful foothold. For defenders, the challenge is not understanding the ...