List of Software Bugs - Telecommunications

Telecommunications

• AT&T long distance network crash (January 15, 1990), in which the failure of one switching system would cause a message to be sent to nearby switching units to tell them that there was a problem. Unfortunately, the arrival of that message would cause those other systems to fail too – resulting in a cascading failure that rapidly spread across the entire AT&T long distance network.

• In January 2009, Google's search engine erroneously notified users that every web site world wide was potentially malicious, including its own.