http://os3.i2p/info/curriculum/ssn?do=admin
The course discusses remote access through SSH, secured web transactions using SSL/TLS, single signon with Kerberos, secure email using PGP/GPG, IPsec and key management (PKIs). Soft aspects of security, such as social engineering, are discussed. Since much of security in general is based on cryptography, its basic principles and mathematical background are part of the content.