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Hacker Used SharePoint Flaw to Breach US Nuclear Agency

US nuclear weapons agency breached using Microsoft SharePoint hack

The US government agency in charge of designing and maintaining nuclear weapons was among those breached by a hack of Microsoft's SharePoint server software, Bloomberg reported.

PCMag on MSN · 2d

Report: Hacker Used SharePoint Flaw to Breach US Nuclear Agency

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US nuclear weapons agency hacked in Microsoft SharePoint attacks

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Tally of Microsoft victims surges to 400 as hackers exploit SharePoint flaw

The number of companies and organizations compromised by a security vulnerability in Microsoft Corp.’s SharePoint servers is increasing rapidly, with the tally of victims soaring more than sixfold in ...

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Microsoft says China-based hackers exploiting critical SharePoint vulnerabilities to deploy Warlock ransomware — three China-affiliated threat actors seen taking advantage

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Microsoft fixes SharePoint zero-day exploits used in cyberattacks and ransomware - how to patch them

Cryptopolitan on MSN2d

U.S. nuclear weapons agency was among those breached in a Microsoft SharePoint hack

The National Nuclear Security Administration, which oversees the design and upkeep of America’s nuclear weapons arsenal, was among those whose systems were breached as part of the recent Microsoft SharePoint hack.

Microsoft5d

Disrupting active exploitation of on-premises SharePoint vulnerabilities

Microsoft has observed two named Chinese nation-state actors, Linen Typhoon and Violet Typhoon, exploiting vulnerabilities targeting internet-facing SharePoint servers. In addition, we have observed another China-based threat actor,

The Hacker News5d

Critical Unpatched SharePoint Zero-Day Actively Exploited, Breaches 75+ Company Servers

The U.S. Cybersecurity and Infrastructure Security Agency (CISA), in an alert, said it's aware of active exploitation of CVE-2025-53770, which enables unauthenticated access to SharePoint systems and arbitrary code execution over the network.