UK-based Linux Format magazine was pulled from Barnes and Noble bookstores in the U.S. after featuring an article called 'Learn to Hack'. They used 'hack' in the populist security sense, rather than the traditional sense, and the feature — which they put online — was used to illustrate how poor your server's security is likely to be by breaking into it."

http://yro.slashdot.org/story/12/05/...ure-on-hacking