Behind a massive IT failure that grounded flights, upended markets and disrupted corporations around the world is one cybersecurity company: CrowdStrike Holdings Inc. Known as a dominant supplier of software that protects businesses from ransomware attacks, CrowdStrike was thrust into the spotlight on 19 July as it struggled to fix a faulty patch that led to cascading, system-wide failures, paralyzing the operations of clients ranging from banks to global retail giants to health-care systems.
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