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Facebook suffered the most severe outage in its history, with key services rendered unusable for users globally for much of Wednesday.

Facebook’s main product, its two messaging apps and image-sharing site Instagram were all affected.

The last time Facebook had a disruption of this magnitude was in 2008, when the site had 150m users.

The cause of the interruption has not yet been made public, but Face book said the outages were not a result of a Distributed Denial of Service attack, known as DDoS – a type of cyber-attack that involves flooding a target service with extremely high volumes of traffic.

 

Via BBC