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

Enterprise Bank and Trust Company

bd_4920e1793ad68492 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Sep 7, 2023

To disclose

—

Affected

251state residents only

Linked

5 records

Confidence

66%

Full breach record for Enterprise Bank and Trust Company →3 incidents on file

Enterprise Bank & Trust Company disclosed that an unknown actor exploited vulnerabilities in Progress Software's MOVEit Transfer tool to access and exfiltrate data from the bank's server on May 27, 2023. The incident affected approximately 251 New Hampshire residents, exposing names, addresses, Social Security numbers, and financial account information. The bank applied patches, investigated the breach, and offered credit monitoring services.

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Leak gap clock⏱ Leak >30d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline

May 27, 2023

Begins

Sep 7, 2023

Filed

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

Part of Progress Software Corporation supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

A leak claim by cl0p about this victim was first seen 43 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitecl0pbd_ca4f3a81100467bc2023-07-26 · +43dVerified by operator

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_3567d4db5edda8732023-09-07Verified by operator
Maine State AGbd_b19276c8873bf3ea2023-09-07Verified by operator
Vermont State AGbd_a5756f65ca3456db2023-08-07 · +31dVerified by operator

Name: Enterprise Bank and Trust Company
norm: enterprise bank and
Domain: enterprisebanking.com

Name: Enterprise Bank and Trust Company
norm: enterprise bank and
Domain: enterprisebanking.com
Industry: Financial Servicesllm

Discovered: —
Breach occurred: May 27, 2023
Materiality determined: —
Notification sent: Sep 7, 2023
Affected individuals: 251state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Providing written notice of this incident to relevant state regulators, as necessary
Initial access: supply_chain

During the incident: Applied available patching and undertook recommended mitigation steps
Launched an investigation to determine whether the vulnerabilities’ presence on the MOVEit Transfer server placed the data housed on that server at risk
Undertook a time-consuming and detailed review of the data stored on the server at the time of this incident
Providing access to credit monitoring services for individuals whose personal information was potentially impacted by this event, at no cost to these individuals
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing individuals with information on how to place fraud alerts and credit freezes on their credit files
Providing written notice of this incident to relevant state regulators, as necessary
Changes made: Continually review and enhance existing policies and procedures related to data privacy
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >30d
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Vermont State AGAug 7 · first

Massachusetts State AG+31d

Maine State AG+31d

New Hampshire State AG+31d · this page

Pattern: first filing Aug 7 (VT), last Sep 7 (NH) — a 31-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.

Source URL: https://mm.nh.gov/files/uploads/doj/remote-docs/enterprise-bank-trust-company-20230907.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 7, 2023
Raw hash: c71ddc71c2f73c9b43113cb5585eed35674201d9231c89e85f4ac81c31d595b7

Linked disclosures

Ransomware claims (1)

Regulatory filings (3) · sorted by filing gap

Reporting entityEnterprise Bank and Trust Company

Victim entityEnterprise Bank and Trust Company

IncidentThird-Party / Supply Chain

Stated responseApplied available patching and undertook recommended mitigation steps

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov