Ladenburg Thalmann & Co Inc data breach

Clerk's notes

Ladenburg Thalmann & Co Inc formally notified the Indiana Attorney General on September 24, 2026, about a data security incident that originated on February 28, 2026. This filing initiates a regulatory review into the circumstances surrounding the breach at the longstanding financial services firm. The investigation into the incident is currently listed as monitoring.

The disclosed breach at Ladenburg Thalmann & Co Inc reportedly exposed several categories of highly sensitive personal and financial information. These include Full Name, Social Security Number, Date of Birth, Financial Account Number, Routing Number, Investment and Transaction History, Mailing Address, and Tax Identification Information. The combination of these data types creates substantial risks for identity theft and financial fraud for affected individuals.

Financial institutions like Ladenburg Thalmann & Co Inc are obligated under federal laws such as the Gramm-Leach-Bliley Act (GLBA), alongside various state regulations, to protect the non-public personal information of their clients. These frameworks require robust administrative, technical, and physical safeguards. The occurrence of a data breach involving such critical information suggests a potential lapse in these mandated security measures.

Receiving a data breach notification letter from Ladenburg Thalmann & Co Inc means your personal data was compromised. This notification is often a foundational element for establishing legal standing in privacy litigation. Individuals who have been notified do not necessarily need to demonstrate immediate financial loss to explore their options. We are currently investigating claims for those affected by this incident. If you received a notification, you may request a free case review to understand your potential next steps.

If a notification letter about this breach reached you, see every Indiana data breach on file or browse all cases.