HackingFinancial ServicesFinanceVulnerability ExploitSupply Chain (3P Vendor)Data ExfiltratedIdentity (basic)Government IDMediumContained

Mauch Chunk Trust Company

bd_c927018e326a7542 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 12, 2023

Filed

Aug 18, 2023

To disclose

5 weeks

Affected

Not disclosed

Linked

6 filings

Confidence

66%

Full breach record for Mauch Chunk Trust Company →

Mauch Chunk Trust Company notified consumers of a data breach involving its vendor, Darling Consulting, which uses Progress Software's MOVEit transfer tool. An unauthorized actor downloaded files containing personal information (name, SSN, etc.) on May 30, 2023. The vendor patched the vulnerability on May 31, 2023. MCT offers credit monitoring and identity theft protection to affected individuals.

J jump to incidentP pin to compareR raw source

Vermont clock⏱ VT AG >14 bday5 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 43 days

discovery → filing · 5 weeks / 37 days

May 30, 2023

Begins

Jul 12, 2023

Discovered

Aug 18, 2023

Filed

vs. sector median

4 wks faster

This filing is one of 6 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 (5) · sorted by filing gap

Indiana State AGbd_4fc4b18fdbc958b22023-08-18Verified
Montana State AGbd_17cbea2d58dda3db2023-08-22 · +4dCandidate
New Hampshire State AGbd_2dc3397652bb94542023-08-22 · +4dVerified
Massachusetts State AGbd_dc322af900649b442023-08-22 · +4dVerified

Show 1 more filing ↓up to 4d gap

Maine State AGbd_f064dcba4c94b1252023-08-22 · +4dVerified

Name: Mauch Chunk Trust Company
norm: mauch chunk
Domain: mct.bank

Name: Mauch Chunk Trust Company
norm: mauch chunk
Domain: mct.bank
Industry: Financial Servicesllm

Discovered: Jul 12, 2023
Breach occurred: May 30, 2023
Undetected for: 43 daysoccurrence → discovery
Materiality determined: Aug 18, 2023
Notification sent: Aug 18, 2023
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Filed notice with Vermont Attorney General
Third party: via Darling Consulting
Initial access: supply_chain

During the incident: Offering complimentary credit monitoring and identity theft protection services through IDX
Reviewing relationships with each of our vendors to ensure that they are maintaining the necessary security standards and procedures
Changes made: Darling Consulting implemented technical measures to fix the MOVEit vulnerability
MCT is reviewing relationships with each of our vendors to ensure that they are maintaining the necessary security standards and procedures to reduce the chances of a similar incident occurring again
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(37 days from discovery to filing)
Compliance flags: VT AG >14 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Indiana State AGAug 18 · first

Vermont State AGAug 18 · first · this page

Montana State AG+4d

New Hampshire State AG+4d

Massachusetts State AG+4d

Maine State AG+4d

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://ago.vermont.gov/document/2023-08-18-mauch-chunk-trust-company-progress-software-moveit-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 18, 2023
Raw hash: 47a77b4b6a8147df8d09d6e7e1795e18e7753e114088417f6f75ac74486b3ce2

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityMauch Chunk Trust Company

Victim entityMauch Chunk Trust Company

Incidentdiscovered Jul 12, 2023

Stated responseOffering complimentary credit monitoring and identity theft protection services through IDX

ComplianceVT AG >14 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov