✅ Official notice on file. Thompson Coburn LLP filed this data breach notice with the California Attorney General on Apr 30, 2025. Compare it with the letter you received: the official copy is linked below.
Thompson Coburn LLP reported a data breach caused by unauthorized access to its computer network. The letter lists the exposed information individually for each recipient, so check your own copy.
Key facts
| Unauthorized access | May 28, 2024 – May 29, 2024 |
|---|---|
| Discovered | May 29, 2024 |
| Incident type | Network intrusion |
| Reported to California AG | Apr 30, 2025 |
| Company helpline | 1-855-295-4428 |
Free credit monitoring
Thompson Coburn LLP is offering 24 months of Equifax at no cost to people who received the letter.
What to do now
- Get your free credit reports at AnnualCreditReport.com and look for accounts you do not recognize.
- Call the Thompson Coburn LLP helpline at 1-855-295-4428 if you have questions about your letter.
Timeline
- May 28, 2024 — Unauthorized access begins
- May 29, 2024 — Thompson Coburn LLP discovers the incident
- Apr 30, 2025 — Breach reported to the California Attorney General
Other recent data breaches
- Frazer LLP data breach
- Fragomen, Del Rey, Bernsen & Loewy, LLP data breach
- Aldrich Services LLP data breach
- Seyfarth Shaw LLP data breach
- Tarter Krinsky & Drogin LLP data breach
Source: notification letter and filing submitted by Thompson Coburn LLP to the California Attorney General. BreachLetter is not affiliated with Thompson Coburn LLP. Details extracted from the official letter; always follow the instructions in your own copy.