"The Cuckoo's Egg" is a non-fiction book written by Clifford Stoll and published in 1989. The book is a memoir and account of the true story of how Stoll, an astronomer and computer system administrator at Lawrence Berkeley National Laboratory, tracked down a hacker who had broken into the laboratory's computer system. The book details the long and complex investigation, which eventually led to the capture of a German hacker named Markus Hess, and the discovery of a larger conspiracy involving the theft of military and government secrets.
The book is a detailed and technical account of the events, but it also provides a personal perspective on the experience and the impact it had on the author. It has been praised for its ability to make a complex and technical subject interesting and accessible to a wide range of readers.
"The Cuckoo's Egg" is considered a classic in the field of computer security and has been credited with raising awareness of the threat of computer hacking and espionage. It has also been praised for its accurate portrayal of the early days of the internet and the challenges of computer security. It has been used as a textbook in many computer security courses, and it has been translated into several languages.