OverTheWire: Vortex Level1
OverTheWire: Vortex Level2
CCC / 29C3
Thank God there is iodine! IPv4 over DNS
HowTo: Keep your passwords safe using SQLite and SQLCipher
Free PPTP VPN servers
Block facebook with iptables on OpenWrt
HowTo: Full-Encrypt data using Gentoo,Luks and initramfs
Stay clean and anonymous with Google Apps
2011-02-10 blog web security google
Find out your geolocation via MAC address
HowTo: Secure your server using icmpKNOCK
The Ac1db1tch3z exploit and "Robert you suck" thingie
2010-09-17 blog security wtf
icmpKNOCK v0.2 released
Torrents over TOR?! Don't!
Attacking Trusted Platform Module (TPM)
2009-12-05 blog hacking security