There is no sign "at this point" that a cyberattack caused an FAA systems outage that triggered authorities to halt all domestic air travel departures Wednesday, the White House said.

The FAA said that an overnight outage to its Notice to Air Missions (NOTAM) system that provides safety information to flight crews was the reason, but did not provide any additional details.

Around 7:15 ET, the FAA ordered all airlines to “pause all domestic departures until 9 a.m. Eastern Time to allow the agency to validate the integrity of flight and safety information.”

"The president has been briefed by the secretary of transportation this morning on the FAA system outage. There is no evidence of a cyberattack at this point, but the President directed DOT to conduct a full investigation into the causes. The FAA will provide regular updates," White House Press Secretary Karine Jean-Pierre tweeted.

Normal air traffic operations resumed gradually across the United States around 8:15 AM ET.

“I really doubt you’ll find some sinister cyber plot at the root of this FAA thing, but if you’re looking for cybersecurity angles I think it’s this: we live in an increasingly complex, interdependent system that is prone to unforeseen consequences and cascading failures,” commented John Hultquist, VP, at Google-owned Mandiant Threat Intelligence, on Twitter.

According to an FAA statement at 8:50AM ET, the ground stop was fully lifted and the agency continues to look into the cause of the initial problem.

By Mike Lennon on Wed, 11 Jan 2023 16:09:46 +0000
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