HackingFinancial ServicesFinanceVulnerability ExploitSupply Chain (3P Vendor)Financial accountFinancial credentialsHighContained

Financial Institution Service Corporation

bd_3c34af888523115e · schema v1 · pii pii-v1

Severity

High

Discovered

May 31, 2023

Filed

Sep 22, 2023

To disclose

16 weeks

Affected · nationwide

753,26164 in this filing

Linked

12 records

Confidence

50%

Full breach record for Financial Institution Service Corporation →4 incidents on file

Financial Institution Service Corporation, a financial services company, reported a data breach affecting 64 Maine residents. The breach was a result of the MOVEit Transfer third-party event, which occurred on May 30, 2023. The breach was discovered on May 31, 2023, and affected financial account numbers or credit/debit card numbers. The company offered 12 months of identity monitoring and restoration services through Kroll.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered May 31, 2023 → Filed with AG Sep 22, 2023114d ⏱ ME AG >30d16 weeks 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 · 1 days

discovery → filing · 16 weeks / 114 days

May 30, 2023

Begins

May 31, 2023

Discovered

Sep 22, 2023

Filed

vs. sector median

+8 wks slower

This filing is one of 12 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 77 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitecl0pbd_868874c89834e55b2023-07-07 · +77dVerified by operator

Regulatory filings (9) · sorted by filing gap

Indiana State AGbd_267310e2d32558712023-09-22Verified
Washington State AGbd_464efdbae9f239d32023-09-22Verified by operator
California State AGbd_4a83bdbad5aeec582023-09-22Verified by operator
Oregon State AGbd_e8d9465614e4a1272023-09-22Verified by operator

Show 5 more filings ↓up to 264d gap

Massachusetts State AGbd_ee6604ed129e9a642023-09-22Verified by operator
Montana State AGbd_f0522e8399768dcd2023-09-22Verified by operator
Maine State AGbd_04c337c25e3d94e62023-09-28 · +6dVerified by operator
South Carolina State AGbd_6c9e179c96a550ba2023-09-29 · +7dVerified by operator
Illinois State AGbd_74fa8344bc4f530d2023-01-01 · +264dVerified by operator

Showing first 10 of 11 linked disclosures.

Name: Financial Institution Service Corporation
norm: financial institution service
Domain: fiscdp.com

Name: Financial Institution Service Corporation
norm: financial institution service
Domain: fiscdp.com
Industry: Financial Servicesllm

Discovered: May 31, 2023
Breach occurred: May 30, 2023
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Sep 22, 2023
Affected individuals: 753,261state + nationwide
Data types: Financial accountFinancial credentials
Data elements: Financial account number
Attack vector: Third-Party / Supply Chain
Threat actor: External

Changes made: Offered 12 months of identity monitoring and restoration services through Kroll.
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 weeks(114 days from discovery to filing)
Compliance flags: ME AG >30d · 114dLeak >30d
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: May 31, 2023
→ Filed with AG: Sep 22, 2023
114d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: May 31, 2023 → Filed with AG: Sep 22, 2023	114d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 9 states

View merged incident ↗

Illinois State AGJan 1 · first

Indiana State AG+264d

Washington State AG+264d

California State AG+264d

Oregon State AG+264d

Massachusetts State AG+264d

Montana State AG+264d

Maine State AG+264d · this page

Maine State AG+270d

South Carolina State AG+271d

Pattern: first filing Jan 1 (IL), last Sep 29 (SC) — a 271-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 11 — the full spread may be wider.

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-a1252b4f8318/8b40a1e9-5dc0-40c2-8264-67f611ad5d9e.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 22, 2023
Raw hash: b257c56e9520f38feec2c9a1746b727f677370db1dcd663292d72cae81d01500

Linked disclosures

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Reporting entityFinancial Institution Service Corporation

Victim entityFinancial Institution Service Corporation

Incidentdiscovered May 31, 2023

Stated responseOffered 12 months of identity monitoring and restoration services through Kroll.

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov