DisclosureLens
MalwareFinancial ServicesFinanceRansomwareData EncryptedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDMediumContained

Tri Counties Bank

bd_f2b2a26ac629eb7b · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 7, 2023

Filed

Oct 12, 2023

To disclose

35 weeks

Affected

Not disclosed

Linked

11 records

Confidence

65%
Full breach record for Tri Counties Bank →

Tri Counties Bank experienced a malware incident on February 7-8, 2023, where an unauthorized actor accessed systems storing personal information. The malware prevented access to certain files. Affected data includes names and likely Social Security numbers for customers, employees, and affiliates. The bank shut down systems, notified law enforcement and regulators, and offered 24 months of credit monitoring.

California clockDiscovered Feb 7, 2023 → Notified Oct 12, 2023247d ✗ CA 60-day late35 weeks discovery → filing

Incident timeline

discovery → filing · 35 weeks / 247 days

Feb 7, 2023

Begins

Feb 7, 2023

Discovered

Oct 12, 2023

Filed

vs. sector median

+27 wks slower

This filing is one of 11 records about the same incident.View merged incident
A leak claim by black_basta about this victim was first seen 207 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Show 5 more filings ↓up to 41d gap

Filing propagation · 10 filings · 7 states

View merged incident ↗
Maine State AGOct 12 · first
Montana State AGOct 12 · first
Indiana State AGOct 12 · first
Massachusetts State AGOct 12 · first
California State AGOct 12 · first · this page

Pattern: first filing Oct 12 (ME), last Nov 22 (VT) — a 41-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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.