U.S. Nuclear Agency Breached in Microsoft SharePoint Hack

The U.S. National Nuclear Security Administration (NNSA), the agency responsible for maintaining and designing the nation’s nuclear weapons, was among the organizations affected by a recent cyberattack exploiting a vulnerability in Microsoft’s SharePoint document management software. The breach was reported on July 22, 2025, citing anonymous sources familiar with the matter. While the NNSA has […]