Delta has further alleged that CrowdStrike postured as a certified best-in-class security provider who "never cuts corners" while secretly designing its software to bypass Microsoft security certifications in order to make changes at the core of Delta's computing systems without Delta's knowledge.

The lawsuit claims that the cybersecurity firm failed to do basic testing on the update which caused IT failures all over the world before rolling it out.

Delta Airlines has sued CrowdStrike for $500 million over a software update causing widespread outages, flight cancellations, and financial losses. Cr