CrowdStrike develops software to help companies manage the security of their IT environments.
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Cyber Security Company mass strike The company’s shares plummeted on Friday after an update caused a major outage, affecting businesses around the world.
Shares of the company, which makes software that helps companies manage the security of their IT environments, fell 14% in U.S. premarket trading.
MicrosoftThe company, which also reported issues affecting its Azure cloud services and Microsoft 365 suite of applications, fell 2% in premarket trading.
Many different websites were down on Friday morning as planes were grounded, TV studios suspended broadcasts and IT outages continued.
Earlier on Friday, CrowdStrike suffered significant outages due to update issues affecting its Falcon Sensor product, which is designed to block cyber vulnerabilities using cloud-based technology. CrowdStrike is currently rolling back updates globally.
“CrowdStrike is aware of reports of Windows host crashes related to Falcon sensors,” CrowdStrike told NBC News in a recorded phone message.
Cybersecurity experts say the CrowdStrike update issue directly affected Windows systems around the world, with laptops displaying error screens known as “blue screen of death.”
Previously, Microsoft said earlier on Friday that its cloud services had been largely restored after cloud applications in the United States suffered an outage.
—CNBC’s Arjun Kharpal contributed to this report
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