The breach happened between late May and early June

Jul 03, 2026

11:37 am

What's the storyThe US Department of Homeland Security (DHS) is investigating a major cyberattack on its Homeland Security Information Network (HSIN).

The platform, which is used by federal, state, and local governments as well as law enforcement agencies to share intelligence, was reportedly breached between late May and early June, according to Nextgov.