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Latest / California / May 2026

Frost Bank

Frost Bank notified California AG on May 20, 2026 of a data breach, which occurred on Dec 6, 2025. Data exposed: Social Security number, Usernames / passwords, Email address, Phone number, Postal address, Name.

All 4 filings by Frost Bank, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
Frost Bank
Source
California AG · source record
Date reported
May 20, 2026
Date(s) of breach
Saturday, December 6, 2025
Residents affected
Not published by this source
Data exposed
Social Security number Usernames / passwords Email address Phone number Postal address Name
Notice letter
Sample notice (PDF)
Days to notice
165 days from the end of the breach window (Dec 6, 2025, no discovery date in the letter) to the California record (May 20, 2026). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
Offered in the letter
credit or identity monitoring through Experian
First seen by BreachTally
2026-10-30 15:27 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

First seen by BreachTally at 15:27 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the count, the data exposed and the letter. Start a 14-day free trial. We email you two days before the first charge and you cancel in one click.
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Other filings by Frost Bank

OrganizationSourceStateReportedResidents affectedData exposed
Frost Bank Vermont AG VT May 20, 2026 18 Social Security numberFinancial / bank account
Frost Bank Massachusetts OCABR MA May 20, 2026 133 Social Security numberFinancial / bank account
Frost Bank Texas AG TX May 20, 2026 191,848 Social Security numberFinancial / bank accountDate of birthPostal address+1

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.