The Great AT&T Outage of 1990

imagine waking up to discover that you can't make a single phone call in January 1990 AT&T experienced a catastrophic failure that left Millions unable to connect the culprit a software update meant to improve the network which instead crashed the system for over 9 hours essential Services halted emergency responders struggled to communicate and businesses were paralyzed this unprecedented event raised alarms about the vulnerability of telecommunications it forced AT&T to reassess their technology and protocols the aftermath prompted both AT&T and the industry to implement more rigorous testing leading to Stronger communication systems today a lesson learned in the digital age