DisclosureLens
UnknownFinanceGovernment IDFinancial accountPCIMedium

Frost Bank

bd_9bc98c2af470155e · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

May 20, 2026

To disclose

—

Affected

18state residents only

Linked

6 filings

Confidence

95%
Full breach record for Frost Bank →

Frost Bank reported a data breach to the Vermont Attorney General. The breach was reported to the AGO on 2026-05-20. The reporting organization type is Financial Services. 18 Vermont residents were affected. Categories of data breached: Social Security Numbers, Financial Account Codes, Credit and Debit Account Info.

Incident timeline — partial

? — ?

Breach window unknown

May 20, 2026

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (4) · sorted by filing gap

Filing propagation · 5 filings · 5 states

View merged incident ↗
Montana State AGMay 19 · first
Texas State AG+1d
Massachusetts State AG+1d
California State AG+1d
Vermont State AG+1d · this page

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.