✅ Official notice on file. Seyfarth Shaw LLP filed this data breach notice with the California Attorney General on Sep 18, 2026. Compare it with the letter you received: the official copy is linked below.
Seyfarth Shaw LLP reported a data breach caused by unauthorized access to its computer network. The information involved includes Social Security number.
Key facts
| Discovered | Aug 18, 2026 |
|---|---|
| Incident type | Network intrusion |
| Data exposed | Social Security number |
| Reported to California AG | Sep 18, 2026 |
| Company helpline | 1-833-516-6266 |
Free credit monitoring
Seyfarth Shaw LLP is offering 24 months of Cyberscout (TransUnion) at no cost to people who received the letter. Enroll at bfs.cyberscout.com/activate using the activation code printed on your letter.
What to do now
- Freeze your credit for free at Equifax, Experian and TransUnion, and request an IRS Identity Protection PIN at irs.gov to block fraudulent tax returns in your name.
- Get your free credit reports at AnnualCreditReport.com and look for accounts you do not recognize.
- Call the Seyfarth Shaw LLP helpline at 1-833-516-6266 if you have questions about your letter.
Timeline
- Aug 18, 2026 — Seyfarth Shaw LLP discovers the incident
- Sep 18, 2026 — 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
- Tarter Krinsky & Drogin LLP data breach
- DeMera DeMera Cameron, LLP data breach
Source: notification letter and filing submitted by Seyfarth Shaw LLP to the California Attorney General. BreachLetter is not affiliated with Seyfarth Shaw LLP. Details extracted from the official letter; always follow the instructions in your own copy.