After massive IT outage for airlines and health care, officials see signs of recovery (2024)

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Businesses around the world reported issues with Microsoft Windows overnight Thursday into Friday, with users citing “blue screen of death” (BSOD) errors. At least some systems resumed functioning shortly afterward, but companies across multiple industries were affected.

Following cancellations or delays for thousands of flights, the problems seem to be receding gradually, Transportation Secretary Pete Buttigieg said in a television interview. “We’re hopeful that we’ll get to something much more resembling normal by the time we get to tomorrow,” Buttigieg told CNBC.

“This is not a security incident or cyberattack,” CrowdStrike CEO George Kurtz wrote on X early Friday. Earlier, American Airlines said “a technical issue with CrowdStrike” had affected “multiple carriers,” causing it to ground all departing flights.

Microsoft, in a post on X at 6:46 a.m. Eastern time Friday, said that “the underlying cause has been fixed, however, residual impact is continuing to affect some Microsoft 365 apps and services.”

Businesses around the world reported issues with Microsoft Windows overnight Thursday into Friday, with users citing “blue screen of death” (BSOD) errors. At least some systems resumed functioning shortly afterward, but companies across multiple industries were affected.

Following cancellations or delays for thousands of flights, the problems seem to be receding gradually, Transportation Secretary Pete Buttigieg said in a television interview. “We’re hopeful that we’ll get to something much more resembling normal by the time we get to tomorrow,” Buttigieg told CNBC.

“This is not a security incident or cyberattack,” CrowdStrike CEO George Kurtz wrote on X early Friday. Earlier, American Airlines said “a technical issue with CrowdStrike” had affected “multiple carriers,” causing it to ground all departing flights.

Microsoft, in a post on X at 6:46 a.m. Eastern time Friday, said that “the underlying cause has been fixed, however, residual impact is continuing to affect some Microsoft 365 apps and services.”