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US Nuclear Weapons Agency 'Among 400 Organizations Breached By Chinese Hackers'


A cyber-espionage campaign exploiting unpatched Microsoft SharePoint vulnerabilities has breached approximately 400 organizations worldwide, including the US National Nuclear Security Administration, according to Netherlands-based cybersecurity firm Eye Security. The figure represents a four-fold in...

A cyber-espionage campaign exploiting unpatched Microsoft SharePoint vulnerabilities has breached approximately 400 organizations worldwide, including the US National Nuclear Security Administration, according to Netherlands-based cybersecurity firm Eye Security. The figure represents a four-fold increase from 100 organizations cataloged over the weekend, with researchers calling it likely an undercount since not all attack vectors leave detectable artifacts.Microsoft identified three Chinese groups -- state-backed Linen Typhoon and Violet Typhoon, plus China-based Storm-2603 -- as exploiting the vulnerabilities in on-premises SharePoint servers to steal authentication credentials and execute malicious code remotely. The campaign began July 7 and was first detected July 18 when Eye Security found unusual activity on a customer's server.

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