Privacy and cryptography  

A few simple definitions on privacy and cryptography
Text of the agreement between USA and Sweden "on cooperation in science and technology for homeland security matters"
Privacy in stored data - How safe and private is data stored on a hard disk? When is it really erased from a hard disk?
My position on privacy and cryptography - Personal reflections on the usefulness of and need for privacy in the context of Internet and personal computers.
Thought exercise: destroying a hard disk - You may wish to permanently destroy the information contained on a hard disk that is no longer needed. How would you do it in practice?
Thought exercise: destroying a memory card - Memory cards often contain personal information. How do you permanently destroy this information with practical methods and no need of special equipment or software?