EFF's Surveillance Self-Defense Website
The Electronic Frontier Foundation (EFF) has a new website on Surveillance Self-Defense. (Not surprisingly, it — and as best I can tell the rest of the EFF’s site — can be accessed via an encrypted channel. In fact, if you visit the SSD web site via unencrypted HTTP, you’ll be redirected to the encrypted version.) It’s a very good guide to the legal and technical issues surrounding surveillance; while I have a few minor quibbles, overall it’s an excellent guide. (Caveat: while the technical information is broadly applicable, the legal discussion is specific to US law.)
Highly recommended.
https://www.cs.columbia.edu/~smb/blog/2009-03/2009-03-03.html