An overview of Al-Qaeda's use of encryption technology in their terrorist activities. Relevant to the debate about distributing powerful cryptography to everyone, including those with bad intentions.
This article discusses the faults in former deputy director of the CIA Michael Morell's statement that the use of encrypted apps made it difficult to stop terrorists. Claims that encrypted communications put them out of reach was false - there had been no change in al Qaeda tactics. Also, author Howard points out that there isn't a clear dichotomy between privacy and security.