Active Directory (AD) is a critical component of many organizations’ IT infrastructure. It provides a centralized repository for user and computer accounts, as well as a variety of other services. As a result, AD is a common target for attackers and there has been no shortage of AD attacks in the headlines. In this blog post, we will dive into the depths of LLMNR and NBT-NS poisoning, understanding their mechanisms, implications, and ways to mitigate the risks they pose.