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Major IT Outage Due to CrowdStrike Update: July 2024

Maleesha Thalagala
3 min readJul 24, 2024

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Massive IT Outage Shakes Global Systems

A major global IT disruption occurred in mid-July 2024 due to a faulty update from renowned cybersecurity company CrowdStrike, affecting many industries. Significant system failures and outages were caused by this update, affecting the banking, aviation, and various government services.

The Incident

A CrowdStrike update designed to improve security on Microsoft Windows systems was the source of the issue. Regrettably, the update had a serious bug that made it impossible for the impacted systems to boot up correctly, which resulted in frequent “Blue Screen of Death” (BSOD) errors. Systems crashed quickly worldwide, causing an immediate and serious impact.

Affected Sectors

  • Aviation: There were major disruptions at major airports. For instance, check-in systems and other vital IT infrastructure went down at Hamburg Airport and Ninoy Aquino International Airport, causing delays and cancellations for travelers (Straight Dope Message Board).
  • Banking: Several financial institutions have reported problems granting their customers access to online banking services, including TD Bank. The chaos on the Straight Dope Message Board was exacerbated by the inability to process…

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Maleesha Thalagala
Maleesha Thalagala

Written by Maleesha Thalagala

Software Engineer | Tech Enthusiast | Writer

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