Here’s What Facebook Says Triggered the Massive Outage on Its Apps

  • Facebook, WhatsApp and Instagram were down for hours on Monday
  • Mark Zuckerberg apologizes in wake of unprecedented downtime
Facebook Falls Amid Outage, Whistle-Blower Interview
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Facebook Inc. blamed a global service outage that kept its social media apps offline for much of Monday on a problem with its network configuration, adding that it found no evidence that user data was compromised during the downtime.

“This disruption to network traffic had a cascading effect on the way our data centers communicate, bringing our services to a halt,” the company’s engineering team wrote in a blog post Monday night.