The incident, first detected by Kovack Financial on August 28, 2025, involved unauthorized access to the company’s internal files between August 8 and August 27. It took nearly a year for the brokerage to confirm the scope of the exposure. Notifications sent to affected individuals on August 10, 2026, reveal that Social Security numbers, driver’s license data, and detailed financial account information were compromised during the intrusion.
In section Releases
Law Firm Probes Kovack Financial Over Massive Data Breach
A year after unauthorized actors infiltrated the computer network of Florida-based Kovack Financial, LLC, a national class action firm is launching an investigation into the firm’s security practices. The breach, which spanned three weeks in August 2025, left the sensitive financial and personal records of countless clients exposed to theft.

Edelson Lechtzin LLP is now scrutinizing whether the investment firm maintained adequate safeguards to protect the data entrusted to them. Attorneys at the firm argue that clients face a heightened risk of identity fraud and may be entitled to compensation. While Kovack Financial has begun offering twelve months of credit monitoring services through Cyberscout, the legal team is evaluating the potential for a class action lawsuit to address the long-term harms caused by the security failure. Affected parties are encouraged to monitor their credit reports closely and preserve all correspondence received from the brokerage regarding the breach.
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