Bangkok Bank New York Branch Reports Data Security Incident Tied to Audit Vendor

What the notice says

Bangkok Bank Public Company Limited, New York Branch notified affected individuals on November 3, 2026 that personal information it had shared with an audit services provider, Mercadien, P.C., was involved in a data security incident. The notice as filed with the California Attorney General states that . Bangkok Bank New York Branch says it learned of the exposure when .

According to the notice, an investigation determined that . Bangkok Bank New York Branch states that the data elements involved may have included .

In response, Bangkok Bank New York Branch says it is for individuals who enroll, with an enrollment deadline of February 3, 2027.

What the notice leaves open

The notice as filed does not state how many individuals were affected, nor does it specify when the unauthorized access to the files began or ended, only when Mercadien and the Branch became aware of it. The notice also does not identify the unauthorized third party beyond describing the access to the files.