I felt that this article was particularly well written because of how conversational the author was with the reader. The conversational aspect allows the scientific aspect of the article to be better understood, in a way. The use of a video was also allowed for a better understanding of the physics.

Just like in Little Brother! Schneiner responds to this article here: https://www.schneier.com/blog/archives/2008/09/gait_analysis_f.html

Good link from Khan Academy that has good practice questions/explanation of the Vigenere cipher.

Check out this article! It's about a recent security breach of heathcare.gov that was made possible due to a test server with a default password that hadn't been changed and a lack of regular security scans.

interesting read about how dangerous a hack could be