HackingStolen CredentialsCustomer Data InvolvedTargetedIDENTITY_GOVERNMENTIDENTITY_BASICMediumContained
Frost Bank
bd_8b776d1a699a96f9 · schema v1 · pii pii-v1
Full breach record for Frost Bank →Frost Bank notified Massachusetts residents of a cybersecurity incident involving unauthorized access to customer records. The breach compromised personal information including Social Security numbers and dates of birth. The bank provided affected individuals with guidance on obtaining free credit reports, placing security freezes, and filing fraud alerts. No police report was filed, and law enforcement did not request a delay in notification.
This filing is one of 4 about the same incident.View merged incident
Linked disclosures
Why this link?Ransomware claims (1)
- bd_5a86e8b29efb82bfLeak Siteeverestfiled 2026-04-20(11d gap)Verified
Regulatory filings (2) · sorted by filing gap
- bd_5f4aac65b3dc3f39Texas State AGfiled 2026-05-20(19d gap)Verified
- bd_b213ce708cd456a5California State AGfiled 2026-05-20(19d gap)Verified
Source provenance
- Source URL
- https://www.mass.gov/doc/2026-820-frost-bank/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- May 1, 2026
- Raw hash
- 353c45b16281db6f8da1450034df13920e26fded8972c6596035ec27f844e85a
Reporting entity
- Name
- Frost Banknorm: frost bank
- Domain
- frostbank.com
Victim entity
- Name
- Frost Banknorm: frost bank
- Domain
- frostbank.com
Incident
- Discovered
- —
- Materiality determined
- —
- Notification sent
- —
- Affected individuals
- Not disclosed
- Data types
- IDENTITY_GOVERNMENTIDENTITY_BASIC
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1078 Valid Accounts
- Threat actor
- ExternalFinancial
- Initial access
- valid_credentials
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.