Tri Counties Bank
bd_9d8a5b82fc79f500 · schema v1 · pii pii-v1
Full breach record for Tri Counties Bank →Tri Counties Bank experienced a malware incident on its internal network between February 7-8, 2023. The malware prevented access to certain files. An unauthorized actor may have accessed systems storing personal information, including names and potentially Social Security numbers, of customers, employees, and affiliates. The bank shut down systems, engaged third-party specialists, and notified law enforcement and regulators. Credit monitoring is being offered to affected individuals.
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Incident timeline
Feb 7, 2023
Begins
Feb 7, 2023
Discovered
Nov 22, 2023
Filed
vs. sector median
+33 wks slower
Linked disclosures
Why this link?Ransomware claims (1)
- Leak Siteblack_bastabd_8a1c05db9a0376c62023-03-19 · +247dVerified by operator
Regulatory filings (9) · sorted by filing gap
- Maine State AGbd_0119439d398a4f922023-11-22Verified
- New Hampshire State AGbd_3d1dd695dbfc9eb92023-11-22Verified by operator
- Vermont State AGbd_af220720d4d002912023-11-22Verified by operator
- SEC 8-Kbd_1297d2dd698bf7122023-10-13 · +40dCandidate
Show 5 more filings ↓Show fewer ↑up to 41d gap
- Maine State AGbd_201ae7fa1e3c8a632023-10-12 · +41dVerified by operator
- Montana State AGbd_3f1547cf3ba03ec12023-10-12 · +41dVerified by operator
- Indiana State AGbd_459843a2f6e73e1c2023-10-12 · +41dVerified
- Massachusetts State AGbd_c631857751f1f3bd2023-10-12 · +41dVerified by operator
- California State AGbd_f2b2a26ac629eb7b2023-10-12 · +41dCandidate
Filing propagation · 10 filings · 7 states
View merged incident ↗Pattern: first filing Oct 12 (ME), last Nov 22 (CA) — a 41-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.