'Facebook basically locked its keys in its car,' tweeted Jonathan Zittrain, director of Harvard's Berkman Klein Center for Internet & Society. 'To every small and large business, family, and individual who depends on us, I'm sorry,' Facebook Chief Technology Officer Mike Schroepfer tweeted, adding that it 'may take some time to get to 100%.' Shares rose about half a percent in after-hours trade following resumption of service. The outage was the second blow to the social media giant in as many days after a whistleblower on Sunday accused the company of repeatedly prioritizing profit over clamping down on hate speech and misinformation.Īs the world flocked to competing apps such as Twitter and TikTok, shares of Facebook fell 4.9%, their biggest daily drop since last November, amid a broader selloff in technology stocks on Monday. Read More: Facebook whistleblower reveals identity, says firm chooses 'profit over safety' The Facebook outage is the largest ever tracked by web monitoring group Downdetector. 'We want to make clear at this time we believe the root cause of this outage was a faulty configuration change,' Facebook said in the blog. Security experts have said an inadvertent mistake or sabotage by an insider were both plausible.

The failures of internal communication tools and other resources that depend on that same network in order to work compounded the error, the employees said.

We’re working to get things back to normal as quickly as possible, and we apologize for any inconvenience. We’re aware that some people are having trouble accessing our apps and products.

Facebook and whatsapp down