National Security Agency
In 1986, Morris began work at the National Security Agency (NSA). He served as chief scientist of the NSA's National Computer Security Center, where he was involved in the production of the Rainbow Series of computer security standards, and retired from the NSA in 1994. He once told a reporter that, while at the NSA, he helped the FBI decode encrypted evidence.
He was the father of Robert Tappan Morris, perpetrator of the 1988 Morris Worm, Meredith Morris, and Benjamin Morris.
There is a description of Morris in Clifford Stoll's book The Cuckoo's Egg. Many readers of Stoll's book remember Morris for giving Stoll a challenging mathematical puzzle (originally due to John H. Conway) in the course of their discussions on computer security: What is the next number in the sequence 1 11 21 1211 111221? (known as the look-and-say sequence). Stoll chose not to include the answer to this puzzle in The Cuckoo's Egg, to the frustration of many readers.
Robert Morris died in Lebanon, New Hampshire.
Read more about this topic: Robert Morris (cryptographer)
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