Delta Air Lines has filed a lawsuit against CrowdStrike in Georgia, accusing the software maker of breach of contract and negligence after a July incident that caused about 7,000 flight cancellations. Other airlines have recovered more quickly than Delta.

Delta said the incident cost the airline $380 million in lost revenue and $170 million in expenses. A faulty CrowdStrike software update affected millions of Windows computers.

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Delta Air Lines claims to have suffered losses of around $500 million due to CrowdStrike. Photo: cirium

Delta has hired a law firm to seek damages from CrowdStrike and Microsoft. In the lawsuit, the airline claims that CrowdStrike caused a global disaster by shortening and circumventing the testing and certification process it advertised for its own profit and benefit. “If CrowdStrike had tested the update on even one computer before deploying it, that computer would have crashed.”

Delta disabled automatic updates from CrowdStrike, but the bug still spread to its computers. The company accused CrowdStrike's Falcon software of creating and exploiting a door on Windows that it never authorized.

CrowdStrike CEO George Kurtz apologized for the incident and pledged to make changes to prevent similar incidents from happening again.

In an emailed response to CNBC , the software company said Delta's allegations were based on unproven misinformation, lack of understanding of how modern security systems work, and reflected a desperate attempt to blame others for its slow recovery due to its failure to modernize its antiquated IT infrastructure.

(According to CNBC)

CrowdStrike 'disaster': 8.5 million Windows machines affected The serious IT incident caused by the CrowdStrike update has thrown the aviation, banking, television... industries into chaos.