“The hackers targeted HSIN servers and a SharePoint system used for collaboration efforts.”
HSIN is the pipe that feeds sensitive but unclassified intel to federal, state, local, and private-sector partners, and DHS still doesn’t know who broke in or what left the building. This system got popped by a contractor’s misconfiguration back in 2023 too. “Sensitive but unclassified” is a category built to sound reassuring while covering exactly the kind of operational data that matters most to the people who steal it.