Facebook employees and contractors complained that they were unable to log on to their work accounts during the company's worst service outage since 2008.
Millions of new users joined the Edward Snowden-endorsed Signal on Monday, it said on Twitter
"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
The company in a late Monday blog post did not specify who executed the configuration change and whether it was planned.
All of Facebook's services, including WhatsApp and Instagram, were down for users globally beginning Monday night.
Not only did Facebook's primary platforms go down, but so too did some of its internal applications, including the company's own email system
Facebook CEO's worth down to $120.9 billion, dropping him below Bill Gates to No. 5 on the Bloomberg Billionaires Index.
Facebook's engineering team apologised as the apps started to come back online
"WhatsApp", and "#facebookdown", "#whatsappdown" and "#instagramdown" were trending on Twitter on Monday evening in India
Frances Haugen identified as the woman who anonymously filed complaints with US law enforcement that Facebook's own research shows how it magnifies hate and misinformation.
Facebook, along with WhatsApp and Instagram, now has a user base of about 400 million in India. Now how does it plan to tap the next 800 million? Facebook India MD Ajit Mohan reveals his gameplan
Why is India Inc seeing a surge in shareholder activism? What's Facebook India MD Ajit Mohan's gameplan to tap next 800 mn users? What will be the biggest market drivers this week? All answers here
'We will have exciting things to share over the next few months (on Jio Mart-WhatsApp collaboration)', said Ajit Mohan
The whistle-blower, who already shared a trove of internal documents with the Wall Street Journal, will appear in an interview on "60 Minutes" Sunday evening
Facebook executive Nick Clegg, in a defiant internal memo, said that a former employee will accuse the company of contributing to the US Capitol riot, the New York Times reported on Saturday.
Facebook "actioned" about 31.7 million content pieces across 10 violation categories proactively during August in the country, the social media giant said in its compliance report on Friday
Facebook will now let users start cross-app group chats between Messenger and Instagram, the company has announced.
"Facebook has shown us once again that it's incapable of holding itself accountable," said Blumenthal, the chair of the Senate Commerce Committee's consumer protection panel.
The programme includes an e-learning course, aimed at encouraging, educating and enabling creators even more on the platform
Facebook has been under fire for the past week after a report said internal documents showed that the social media company was aware that Instagram harmed the mental health of young users