In his 1986 book Digital Fortress, Dan Brown explores the effect of government surveillance of electronically stored information on the private lives of citizens, and the possible civil liberties and ethical implications of using this technology. Now we know that he was not far off the mark, and this may yet become a reality. The book explores what happens when the US National Security Agency’s (NSA) code-breaking supercomputer encounters a new and complex code – Digital Fortress – that it cannot break… (more)