Featured Projects


Samhain is the comprehensive open-source solution for centralized host integrity monitoring.


Beltane is the web-based console for the Samhain centralized host integrity monitoring system.

Featured Papers

Defending against brute force ssh attacks

There are many different methods to defend against brute force ssh attacks on networked hosts. This paper gives an overview about these different defenses, and outlines their respective advantages and disadvantages.

The paper also presents a new, simple and reliable defense method.

Linux Kernel Rootkits

This paper presents a technical overview about rootkits that are used to subvert the running kernel on a Linux system in order to hide a malicious intruder and secure his/her access to the host.