The Department of Homeland Security is investigating a recent cyber incident that affected the Homeland Security Information Network (HSIN) and a SharePoint collaboration system used by government and private-sector partners. DHS says it isolated the affected systems and found no indication that classified networks were impacted, while the origin of the intrusion and any data theft remain unclear. #HomelandSecurityInformationNetwork #HSIN #SharePoint #DepartmentofHomelandSecurity
Keypoints
- DHS is investigating a cyberattack on the Homeland Security Information Network.
- The intrusion reportedly occurred between late May and early June.
- Attackers targeted HSIN servers and a SharePoint collaboration system.
- DHS says classified systems were not affected and the platform remains operational.
- HSIN previously exposed restricted data in a 2023 security incident.