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Before the Internet became widely known as a global tool for terrorists, one perceptive U.S. citizen recognized its ominous potential. Armed with clear evidence of computer espionage, he began a highly personal quest to expose a hidden network of spies that threatened national security. But would the authorities back him up? Cliff Stoll's dramatic firsthand account is qa computer-age detective story, instantly fascinating [and] astonishingly grippingq (Smithsonian). Cliff Stoll was an astronomer turned systems manager at Lawrence Berkeley Lab when a 75-cent accounting error alerted him to the presence of an unauthorized user on his system. The hacker's code name was qHunterqa€”a mysterious invader who managed to break into U.S. computer systems and steal sensitive military and security information. Stoll began a one-man hunt of his own: spying on the spy. It was a dangerous game of deception, broken codes, satellites, and missile basesa€”a one-man sting operation that finally gained the attention of the CIA . . . and ultimately trapped an international spy ring fueled by cash, cocaine, and the KGB.The computer program that encrypts a€œcradlea€ into a€œpn6yywersyqa€ is built upon a trapdoor algorithm: a process thata#39;s easy to do, but difficult to undo. When Sally Blatz logs in, she types in her account name, Blatz, and then her password, cradle.

Author:Clifford Stoll
Publisher:Doubleday - 2012-05-23


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