HackingFinancial ServicesFinanceCustomer Data InvolvedIdentity (basic)Government IDFinancial accountHighContained

Marine Bank & Trust Company

bd_36f3d4fd62d3f654 · schema v1 · pii pii-v1

Severity

High

Discovered

Aug 24, 2021

Filed

Sep 9, 2021

To disclose

16 days

Affected · nationwide

6,7659 in this filing

Linked

5 filings

Confidence

64%

Full breach record for Marine Bank & Trust Company →

Marine Bank & Trust experienced an external system breach (hacking) between 02/28/2021 and 03/06/2021, discovered on 08/24/2021. The incident affected 6,765 individuals, including 9 Maine residents. Acquired data included names, financial account numbers, and credit/debit card details. The bank provided written notification and 12 months of Experian credit monitoring services.

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Maine clockDiscovered Aug 24, 2021 → Filed with AG Sep 9, 202116d ✓ ME AG ≤30d16 days discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 177 days

discovery → filing · 16 days

Feb 28, 2021

Begins

Aug 24, 2021

Discovered

Sep 9, 2021

Filed

vs. sector median

6 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Montana State AGbd_82c2de8f413914d22021-09-09Verified by operator
Massachusetts State AGbd_fee15b723acd0b492021-09-09Verified
Indiana State AGbd_388ff8944d82be582021-09-08 · +1dVerified
New Hampshire State AGbd_0742ce958bba8aba2021-09-13 · +4dVerified

Name: Marine Bank & Trust Company
norm: marine bank
Industry: Financial Services

Name: Marine Bank & Trust Company
norm: marine bank
Industry: Financial Services
Industry: Financial Servicesllm

Discovered: Aug 24, 2021
Breach occurred: Feb 28, 2021 – Mar 6, 2021
Undetected for: 177 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 8, 2021
Affected individuals: 6,765state + nationwide
Data types: Identity (basic)Government IDFinancial account
Data elements: Financial account numberSocial Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected consumers
Offered 12 months of Experian credit monitoring and identity theft protection services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 days(16 days from discovery to filing)
Compliance flags: ME AG ≤30d · 16d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Aug 24, 2021
→ Filed with AG: Sep 9, 2021
16d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Aug 24, 2021 → Filed with AG: Sep 9, 2021	16d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Indiana State AGSep 8 · first

Montana State AG+1d

Massachusetts State AG+1d

Maine State AG+1d · this page

New Hampshire State AG+5d

Pattern: first filing Sep 8 (IN), last Sep 13 (NH) — a 5-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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/0238544a-aa97-462d-9ae1-02cf4e73901e.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 9, 2021
Raw hash: c87feefff1d236788297a25bdddfc2195ce45634857c8e7a6bce6276fa39def2

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityMarine Bank & Trust Company

Victim entityMarine Bank & Trust Company

Incidentdiscovered Aug 24, 2021

Stated responseSent written notification to affected consumers

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov