Linux & Unix Tutorials » Security

OpenVAS, Open Bulnerability Assessment Server is a free opensource vulnerability assessment software released under GNU GPL lincese. OpenVAS is a fork of Nessus Vulnerability assessment software. Similar to the Plugin sets in Nessus, OpenVAS provides free Network Vulnerability Tests plugins that can be updated regularly.

The Nessus vulnerability scanner, is the world-leader in active scanners, featuring high speed discovery, configuration auditing, asset profiling, sensitive data discovery and vulnerability analysis of your security posture. Nessus scanners can be distributed throughout an entire enterprise, inside DMZs, and across physically separate networks.

TrueCrypt is a free opensource software system for establishing and maintaining an on-the-fly-encrypted volume (data storage device). On-the-fly encryption means that data are automatically encrypted or decrypted right before they are loaded or saved

Learn about detecting and removing rootkits which are designed to take fundamental control (in Unix terms "root" access) of a computer system.