Facebook outage: What happened, and can it happen again?

Facebook, Instagram, WhatsApp, and Messenger all suffered global outages on Monday that had knock-on effects for internet providers and users

Emmet Ryan

Technology Correspondent @emmetjryan
5th October, 2021
Facebook outage: What happened, and can it happen again?
Mark Zuckerberg, Facebook’s chief executive, has had a challenging week so far. Picture: Getty

Twitter made hay on Monday as it seemed to be the place to go with the biggest social media apps on the planet all dropping at once. The issue didn’t need a single malicious actor and that’s why its impact should resonate more with users.

What happened?

In simple terms, all of Facebook’s systems stopped talking to the wider internet. The internet is a series of networks talking to...

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