AUM Construction Data Breach

The qilin ransomware group has claimed to have breached AUM Construction, a company operating in the construction sector in the United States. The listing was published on August 30, 2026, according to SOCRadar’s intelligence. The group asserts unauthorized access to AUM Construction’s systems and data, though this claim remains unverified. The construction industry, like manufacturing, often shares infrastructure characteristics that can make organizations attractive targets for ransomware operations. Over the preceding 60 days, qilin has listed 248 victims, with the United States and Germany being the most frequently targeted geographies. The group predominantly targets the Manufacturing and Professional Services sectors. AUM Construction, as a construction organization in the US, aligns with qilin’s established targeting patterns by sharing similar infrastructure vulnerabilities with the manufacturing sector, which the group prioritizes.

SOCRadar’s analysis of stealer-log data found no exposure of credentials for auminc[.]us within the queried datasets. Zero credential records were correlated to the domain across current infostealer feeds. It is important to note that this null result does not definitively clear AUM Construction of a compromise. The absence of direct evidence in the stealer logs does not rule out other initial access methods employed by threat actors. Phishing campaigns or the exploitation of exposed remote-access services remain viable hypotheses for initial access, especially given qilin’s documented tactics, techniques, and procedures. Continued monitoring of dark web forums and stealer-log data is recommended, along with proactive credential hygiene checks, password rotation, and multi-factor authentication reviews.

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.