testssl.sh is a free command line tool which checks a server's service on any port for the support of TLS/SSL ciphers, protocols as well as recent cryptographic flaws and more.
An Illustrated Guide to IPsec
The Analysis Console for Intrusion Databases (ACID) is a PHP-based analysis engine to search and process a database of security events generated by various IDSes, firewalls, and network monitoring tools.
Azureus mit Anonymisierungsprotokoll I2P benutzen
It is a penetration testing tool that focuses on the web browser.
Neben aktuellen security threats gibt es auch aktuelle siganturen für IDS und Konsorten.
Was macht TrueCrypt eigentlich genau