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The US government is investigating yet another significant cyberattack — this time hitting one of the most sensitive intelligence-sharing platforms in the entire federal apparatus. The Homeland Security Information Network, better known as HSIN, was breached between late May and early June 2026, potentially exposing sensitive information that flows daily between federal, state, and local agencies. For a platform that helped coordinate the emergency response to a deadly mid-air collision over Washington, D.C. and is currently supporting security operations for the World Cup 2026, the stakes could hardly be higher.
Key takeaways

The Department of Homeland Security is actively investigating a cyberattack on HSIN, its primary intelligence-sharing platform for federal, state, and local agencies.
The breach occurred between late May and early June 2026, potentially exposing sensitive but unclassified data.
Senator Mark Warner, ranking member of the Senate Intelligence Committ

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We współpracy z: https://en.cryptonomist.ch/2026/07/02/us-government-cyberattack-hsin/