MultistateTax Inc. has reported a ransomware attack perpetrated by the threat actor blackshrantac, leading to significant data compromise. The incident has impacted the United States. #UnitedStates
Incident Details
- Victim: MultistateTax Inc
- Country: US
- Actor: blackshrantac
- Source: http://b2ykcy2gcug4gnccm6hnrb5xapnresmyjjqgvhafaypppwgo4feixwyd.onion/targets/27
- Discovered: 2025-11-13 01:45:23.964135
- Published: 2025-11-13 01:44:56.317060
Information
- The victim is MultistateTax Inc.
- The incident occurred in the US.
- The malicious actor involved is Blackshrantac.

Disclaimer: This post is based on public claims made by the ransomware group "blackshrantac". I cannot confirm the accuracy of the information. However, I would be happy to share any official statement from the affected organization to provide clarification.