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

The post U.S. nuclear weapons agency was among those breached in a Microsoft SharePoint hack appeared on BitcoinEthereumNews.com. 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. An anonymous source from the NNSA said no classified or sensitive data appears to have been stolen in the NNSA breach. When asked about the breach, the NNSA directed all inquiries to the Department of Energy, which oversees the administration as part of its wider responsibilities. “On Friday, July 18th, the exploitation of a Microsoft SharePoint zero-day vulnerability began affecting the Department of Energy,” an agency spokesman said.  “The department was minimally impacted due to its widespread use of the Microsoft M365 cloud and capable cybersecurity systems. A small number of systems were impacted. All impacted systems are being restored.” The NNSA carries out a wide range of duties beyond managing nuclear arms. It builds naval reactors for the Navy’s submarine fleet, responds to emergencies at home and abroad, helps transport nuclear weapons safely across the United States, and supports counterterrorism efforts. This was not the first time hackers had penetrated NNSA-linked networks via a third-party tool. In 2020, the agency was targeted in an attack on SolarWinds Corp., whose software is used for network management. At the time, the Energy Department said malware had “been isolated to business networks only.” Microsoft blamed state-sponsored hackers from China The breach exploited weaknesses in the SharePoint platform and hit governments and businesses worldwide. In some cases, attackers stole sign‑in info such as usernames and passwords along with tokens and hash codes, according to an earlier Bloomberg report.  Beyond the Energy Department, this breach extended to systems in national governments across ME and EU, as well as to several U.S. agencies, including the Education Department, the Rhode Island General Assembly, and Florida’s…

Jul 24, 2025 - 04:00
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U.S. nuclear weapons agency was among those breached in a Microsoft SharePoint hack

The post U.S. nuclear weapons agency was among those breached in a Microsoft SharePoint hack appeared on BitcoinEthereumNews.com.

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. An anonymous source from the NNSA said no classified or sensitive data appears to have been stolen in the NNSA breach. When asked about the breach, the NNSA directed all inquiries to the Department of Energy, which oversees the administration as part of its wider responsibilities. “On Friday, July 18th, the exploitation of a Microsoft SharePoint zero-day vulnerability began affecting the Department of Energy,” an agency spokesman said.  “The department was minimally impacted due to its widespread use of the Microsoft M365 cloud and capable cybersecurity systems. A small number of systems were impacted. All impacted systems are being restored.” The NNSA carries out a wide range of duties beyond managing nuclear arms. It builds naval reactors for the Navy’s submarine fleet, responds to emergencies at home and abroad, helps transport nuclear weapons safely across the United States, and supports counterterrorism efforts. This was not the first time hackers had penetrated NNSA-linked networks via a third-party tool. In 2020, the agency was targeted in an attack on SolarWinds Corp., whose software is used for network management. At the time, the Energy Department said malware had “been isolated to business networks only.” Microsoft blamed state-sponsored hackers from China The breach exploited weaknesses in the SharePoint platform and hit governments and businesses worldwide. In some cases, attackers stole sign‑in info such as usernames and passwords along with tokens and hash codes, according to an earlier Bloomberg report.  Beyond the Energy Department, this breach extended to systems in national governments across ME and EU, as well as to several U.S. agencies, including the Education Department, the Rhode Island General Assembly, and Florida’s…

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