Sayre Associates, a civil engineering and land surveying firm based in Sioux Falls, South Dakota, reportedly experienced a cyberattack on June 10, 2026. This incident was reported by ransomware monitoring sites and threat-actor claims. An official breach notification has not been found, and the company has not publicly confirmed the incident.
The alleged breach may have involved client information, project details, emails, and financial documents. Specific details regarding the number of affected individuals, whether SSNs, medical data, or payment card data were exposed, or the exact scope of the impact remain unclear. The company's revenue estimate has not been found in the provided information.
Details about this incident can still emerge. Official notifications to consumers may also be delayed.