Hilliard’s Air Conditioning & Heating Inc Data Breach

Hilliard’s Air Conditioning & Heating Inc, a professional services company based in the United States, was identified on the Orova ransomware group’s dark web portal on August 6, 2026. The listing was discovered via SOCRadar’s Dark Web Monitoring service. As an HVAC contractor, the company’s operational data likely includes customer scheduling and billing information, making it a potential target for ransomware attacks. This listing was one of nine Orova entries published on the same date. In the 60 days leading up to this listing, Orova claimed 34 other victims. The group predominantly targets the healthcare and professional services sectors, with a significant concentration of victims in the United States, Hong Kong, and Taiwan. Recent Orova victims in similar sectors, such as United States-based professional services and small trades businesses, include David King Architect, Integrated Site Management, First Baptist Church of Belleview, and Woodside Ranch. The batch of nine diverse small US service businesses listed on a single day suggests that Orova may be acquiring access through a bulk access source rather than through targeted sector-specific campaigns.

SOCRadar’s analysis of stealer-log telemetry did not yield any records for hilliardsairandheat.com within the queried dataset. It is crucial to note that a null result does not confirm the absence of a compromise. The query was limited to a paginated sample of one dataset and would not capture exposures linked to alternate corporate domains, field-service management platforms, or personal email aliases used on business systems. Many small contracting businesses utilize hosted vendor platforms for scheduling, dispatch, and invoicing, meaning the most operationally valuable accounts might not use the company’s primary domain. For ransomware groups like Orova, credentials harvested by infostealers are a known method for initial access. Threat actors or initial access brokers often source stolen credential logs from underground marketplaces, validate them, and then use them to access systems such as Microsoft 365, VPNs, or remote-access portals before deploying ransomware. The absence of evidence in this particular query does not preclude this scenario. It is possible that credentials were exposed through data feeds not included in this dataset, were used and subsequently rotated before indexing, or were harvested under personal email aliases. Security teams should continue dark web monitoring and perform proactive credential hygiene checks, rather than interpret a null query as definitive proof of no compromise.

This report is intended for threat intelligence and security awareness purposes. SOCRadar does not host, redistribute or buy stolen data. All breach information reported here is collected from publicly accessible threat actor and ransomware portals. This content is intended to equip CTI teams with context around recent attacks. While we strive for accuracy, listings on ransomware leak and extortion sites cannot always be independently verified and may not reflect confirmed breaches. If you believe any data in this report is incorrect, please contact us.