HackingFinancial ServicesFinanceVulnerability ExploitSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

BankGloucester

bd_8e3590d7e88b579f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 12, 2023

Filed

Aug 22, 2023

To disclose

6 weeks

Affected

6state residents only

Linked

5 filings

Confidence

66%

Full breach record for BankGloucester →2 incidents on file

BankGloucester notified customers that a third-party vendor, Darling Consulting Group, was affected by the MOVEit Transfer vulnerability. The incident potentially exposed customer names, DOBs, SSNs, and account numbers. The bank launched an investigation and offered 2 years of Equifax credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 42 days

discovery → filing · 6 weeks / 41 days

May 31, 2023

Begins

Jul 12, 2023

Discovered

Aug 22, 2023

Filed

vs. sector median

3 wks faster

This filing is one of 5 about the same incident.View merged incident

Part of Darling Consulting Group supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_29b3b4e1a9e0fff92023-08-22Verified
Maine State AGbd_405d1174d081800b2023-08-22Candidate
New Hampshire State AGbd_b7b3242cbacb73682023-08-22Verified
Vermont State AGbd_bbcc8d64e8e7f5a42023-08-22Verified

Name: BankGloucester
norm: bankgloucester

Name: BankGloucester
norm: bankgloucester
Industry: Financial Servicesllm

Discovered: Jul 12, 2023
Breach occurred: May 31, 2023
Undetected for: 42 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 6state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security numberDate of birth
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Initial access: exploit_public_facing

During the incident: Launched an investigation to assess the potential impact of this incident on our customers
Implemented additional security measures to protect customers’ accounts
Offering you a 2-year membership, free of charge, to Equifax CompleteTM Premier
Changes made: Implemented additional security measures to protect customers’ accounts
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(41 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Massachusetts State AGAug 22 · first

Maine State AGAug 22 · first

New Hampshire State AGAug 22 · first

Vermont State AGAug 22 · first

Montana State AGAug 22 · first · 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.

Source URL: https://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-584.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 22, 2023
Raw hash: 2d9361899b0d53cbe65d987d870439fefb574ad9c7c91db427f38feb83b2077c

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityBankGloucester

Victim entityBankGloucester

Incidentdiscovered Jul 12, 2023

Stated responseLaunched an investigation to assess the potential impact of this incident on our customers

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov