Inside the Twisted Mind of the Security Professional Bruce Schneier:
Security requires a particular mindset. Security professionals -- at least the good ones -- see the world differently. They can't walk into a store without noticing how they might shoplift. They can't use a computer without wondering about the security vulnerabilities. They can't vote without trying to figure out how to vote twice. They just can't help it.
Q&A for Information security professionals
Q&A for enthusiasts and power users of the Android operating system
Q&A for professional and enthusiast programmers
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.