THOMPSON COBURN LLP

Thompson Coburn LLP reported a data breach to the Montana Attorney General. The breach was reported on 2025-04-30. The breach occurred from 05/28/2025 to 05/29/2025. 45 Montana residents were affected.

Thompson Coburn LLP reported a data breach to the Indiana Attorney General. The breach occurred on 2024-05-28 and was reported on 2025-04-30. 1,557 Indiana residents were affected. 67,026 individuals affected in total.

Thompson Coburn LLP, a St. Louis-based law firm, reported a network intrusion occurring May 28–29, 2024, discovered November 19, 2024. An unauthorized actor viewed or took files containing client-affiliated individuals' names and Social Security numbers. 59 Maine residents were affected (67,026 total). Written notices were sent December 31, 2024 and April 30, 2025. One year of Equifax credit monitoring was offered. Federal law enforcement was notified.

Thompson Coburn LLP notified consumers of a data breach where unauthorized actors accessed and acquired information from the firm's network between May 28-29, 2024. The incident involved the viewing or taking of client data, including names and government identifiers. The firm engaged forensic specialists, reviewed affected files, and implemented additional cybersecurity measures. Credit monitoring services were offered to affected individuals.

Thompson Coburn LLP experienced unauthorized access to its network between May 28 and May 29, 2024. The firm became aware of suspicious activity on May 29, 2024. An investigation determined that an unauthorized actor viewed or took certain information, including names and potentially other personal data, from files stored in the firm's environment. The firm engaged third-party forensic specialists, reviewed affected files, implemented additional cybersecurity measures, and is offering credit monitoring to impacted individuals.

Thompson Coburn LLP reported unauthorized access to its network between May 28-29, 2024, discovered on May 29, 2024. The incident involved the viewing or taking of client data, including names and other PII, by an unauthorized actor. Thompson Coburn notified federal law enforcement, engaged forensic specialists, and provided credit monitoring services. Notices were sent to affected individuals starting December 31, 2024.

Thompson Coburn LLP notified New Hampshire AG of unauthorized access to client data between May 28-29, 2024. Suspicious activity detected May 29. One NH resident affected. Name and basic PII exposed. Response included forensic investigation, law enforcement notification, credit monitoring via Equifax, and security policy reviews.

Thompson Coburn LLP notified consumers of a data breach where unauthorized actors accessed files containing names, government IDs, and financial account numbers between May 28-29, 2024. The firm engaged forensic specialists, reviewed affected files, and offered credit monitoring services.

Thompson Coburn LLP, a law firm, reported a data breach affecting 7,502 individuals, including one resident of Maine. The breach, which occurred on May 28, 2024, was discovered on November 19, 2024, and described as an external system breach (hacking). The company notified affected individuals on December 31, 2024, and offered identity theft protection services. The specific types of information compromised were not listed in the notice.

Thompson Coburn LLP reported to HHS on 2024-11-04 a Hacking/IT Incident affecting 305,088 individuals. Breached information located on Network Server. The business associate experienced a ransomware attack affecting electronic protected health information (ePHI) including demographic, clinical, and financial data. Corrective actions included improving cybersecurity and providing HIPAA training.