In a shocking cyber breach, Chinese state-sponsored hackers reportedly infiltrated the U.S. National Nuclear Security Administration (NNSA) by exploiting critical vulnerabilities in Microsoft’s SharePoint software.
The attack—linked to groups like Linen Typhoon, Violet Typhoon, and Storm-2603—marks one of the most serious intrusions into America’s nuclear weapons design systems to date.
Although no classified data appears to have been stolen, the breach has triggered alarm at the Pentagon and within U.S. cybersecurity circles.
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