The Cuckoo's Egg
Cliff Stoll is a seemingly scatterbrained astronomer. While temporarily out-of-work, he took on the job of Systems Manager for the computer at Lawrence Berkeley Lab, in Berkeley, California, as he had some programming experience. He discovered a 75-cent accounting error in the files which recorded the use of the computer's resources. Someone had not only used 75 cents worth of computer time, but had erased this 75 cents from one of the accounting files. ...