- $4 changes to its "backbone routers" caused Monday's widespread outage.
Facebook said it had "no evidence that user data was compromised" as a result of the outage.- The $4 impacted all of Facebook's apps and $4.
Facebook published a $4 late Monday attributing its hours-long global outage to a "faulty configuration change" to its "backbone routers."
In the most basic terms, this means a technical update ground traffic to a halt on the highway most important to the company's operations.
Specifically, traffic was interrupted between Facebook's data centers, which are the physical buildings housing the company's servers and IT equipment.
These data centers power everything Facebook does - from its apps like
So the traffic interruption didn't just kick the company's apps offline. It also cut off Facebook employees from sending messages or fixes internally. And it stopped them from $4 the impacted servers when their company badges - which can unlock doors at Facebook facilities - failed.
This made it especially tricky for Facebook to solve the problem. The company ultimately restored service by $4 at a data center in Santa Clara, California, the New York Times reported, citing three people with knowledge of the matter.
Facebook said it had "no evidence that user data was compromised as a result of this downtime."
The company's blog post confirmed that Facebook's services are "back online" and apologized for the inconvenience.
The $4 and all of its most widely used apps, including $4.
Some services appeared to be back online for some users about 6 p.m. ET.
In the meantime, the outage wreaked havoc for $4, users from $4, and shareholders including $4.
Zuckerberg put a statement on his own $4 apologising for the outage on Monday just before 7 p.m. ET.
"Sorry for the disruption today - I know how much you rely on our services to stay connected with the people you care about," Zuckerberg said.