Facebook on Wednesday grappled with what was described as its biggest outage in history as users in parts of Australia, Asia, Europe, South America and North America faced service troubles.
The disruption persisted for as long as 11 hours, according to a Downdetector map.
The hitch occurred as the company also faced intensified scrutiny from investigators reportedly probing data deals struck with smartphone makers.
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As the outage continued, gripes flooded rival Twitter as well as a comments section on downdetector.com, which tracks trouble accessing online pages.
“I have never seen Facebook down this long,” one user lamented.
“And many other sites and apps are having issues too.”
“11 hours and still global wide outage continues,” read another comment.
“This is very bad. Seriously this is not something funny or worth the amusement to even troll about.”
The outage, of unknown origin, also affected Facebook-owned Instagram, as well as Messenger.
In some cases the apps could be accessed but would not load posts or handle missives.
The California firm which has more than two billion users acknowledged the outage after users noted on Twitter they could not access Facebook or had limited functionality.
“We’re aware that some people are currently having trouble accessing the Facebook family of apps. We’re working to resolve the issue as soon as possible,” a Facebook statement said on Twitter.
A short time later, Facebook indicated the outage was not related to an attack aimed at overwhelming the network.
“We’re focused on working to resolve the issue as soon as possible, but can confirm that the issue is not related to a DDoS attack,” Facebook said.
Distributed denial of service cyber strikes involve hackers overwhelming websites with tidal waves of simultaneous requests, typically using armies or computers infected with malicious code.
The social network said there was no update of the situation as evening arrived in California.
Last November, a Facebook outage was attributed to a server problem, and a September disruption was said to be the result of “networking issues.”
While the outage continued, The New York Times reported that US prosecutors have launched a criminal investigation into the social network’s practice of sharing users’ data with companies without letting its members know.
A grand jury in New York has subpoenaed information from at least two major smartphone makers about such arrangements with Facebook, according to the Times.
Regulators, investigators and elected officials in the US and elsewhere in the world have already been digging into the data sharing practices of Facebook.
The social network’s handling of user data has been a flashpoint for controversy since it admitted last year that Cambridge Analytica, a political consultancy which did work for Donald Trump’s 2016 election campaign, used an app that may have hijacked the private details of 87 million users.
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