The list of security hacking incidents covers important or noteworthy events in the history of security hacking and cracking.
1900
1903
Magician and inventor Nevil Maskelyne disrupts John Ambrose Fleming's public demonstration of Guglielmo Marconi's purportedly secure wireless telegraphy technology, sending insulting Morse code messages through the auditorium's projector.1930s
1932
Polish cryptologists Marian Rejewski, Henryk Zygalski and Jerzy Różycki broke the Enigma machine code.1939
Alan Turing, Gordon Welchman and Harold Keen worked together to develop the Bombe (on the basis of Rejewski's works on Bomba). The Enigma machine's use of a reliably small key space makes it vulnerable to brute force.1940s
1943
René Carmille, comptroller general of the Vichy French Army, hacked the punched card system used by the Nazis to locate Jews.1949...