Powder River Heating & Air Conditioning, a U.S.-based company, was impacted by a ransomware attack on July 18, 2026. The Qilin ransomware group claimed responsibility for the attack and listed the company on its leak site on the same day. Qilin stated that internal files were exfiltrated.
As of July 18, 2026, the specific data types involved, the number of affected individuals, and whether sensitive data like SSNs, medical, or financial information was exposed remain unconfirmed. The company has not yet issued an official public statement or notification regarding the incident, nor have any sample files been published by the ransomware group.
Given the recent nature of the incident, official notification letters to affected individuals and filings with state Attorney Generals are not yet available but may be issued in the coming weeks following forensic analysis.