HackingFinancial ServicesFinanceVulnerability ExploitSupply Chain (3P Vendor)Customer Data InvolvedFinancial accountFinancial credentialsCVE-2023-34362MediumContained

Financial Institution Service Corporation

bd_9fd9aa3388a492ce · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 31, 2023

Filed

Oct 9, 2023

To disclose

19 weeks

Affected · nationwide

15,01214 in this filing

Linked

9 filings

Confidence

50%

Full breach record for Financial Institution Service Corporation →10 incidents on file

Financial Institution Service Corporation reported a data breach affecting 14 Maine residents. The breach was a result of the MOVEit Transfer third-party event, which occurred on May 30, 2023, and was discovered the following day. The compromised information includes financial account numbers or credit/debit card numbers in combination with security codes, access codes, passwords, or PINs. Affected individuals were notified on October 9, 2023, and 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 Oct 9, 2023131d ✗ ME AG >90d19 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 · 19 weeks / 131 days

May 30, 2023

Begins

May 31, 2023

Discovered

Oct 9, 2023

Filed

vs. sector median

+10 wks slower

This filing is one of 9 about the same incident.View merged incident

A leak claim by cl0p about this victim predates this filing by 94 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

Vermont State AGbd_443bd0900c23f1b92023-10-09Verified
New Hampshire State AGbd_6e00e5b1fc258dae2023-10-09Verified
Vermont State AGbd_38cc1d86a14473772023-10-04 · +5dCandidate
New Hampshire State AGbd_f28ceba937a622082023-10-04 · +5dCandidate

Show 4 more filings ↓up to 17d gap

California State AGbd_6414ec0eb2b443b12023-09-28 · +11dVerified by operator
Vermont State AGbd_ab6b5f1c183753242023-09-28 · +11dCandidate
Delaware State AGbd_f567b7260ba921f02023-09-28 · +11dVerified by operator
Vermont State AGbd_3f02b20407b109de2023-09-22 · +17dCandidate

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: Oct 9, 2023
Affected individuals: 15,012state + nationwide
Data types: Financial accountFinancial credentials
Data elements: Financial account number
Attack vector: Third-Party / Supply Chain
CVE references: CVE-2023-34362

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: 19 weeks(131 days from discovery to filing)
Compliance flags: ME AG >90d · 131dME resident >60d · 131dLeak >90d
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: Oct 9, 2023
131d 90 days ME AG >90d
Maine
Discovered: May 31, 2023
→ Notified: Oct 9, 2023
131d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: May 31, 2023 → Filed with AG: Oct 9, 2023	131d	90 days	ME AG >90d
Maine	Discovered: May 31, 2023 → Notified: Oct 9, 2023	131d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 5 states

View merged incident ↗

Vermont State AGSep 22 · first

California State AG+6d

Vermont State AG+6d

Delaware State AG+6d

Vermont State AG+12d

New Hampshire State AG+12d

Vermont State AG+17d

New Hampshire State AG+17d

Maine State AG+17d · this page

Pattern: first filing Sep 22 (VT), last Oct 9 (ME) — a 17-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-a1252b4f8318/5e384a87-d132-4513-81d5-0efd8ef92509.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 9, 2023
Raw hash: ec27ccfcdce863e8a987bd99b7cb8903fd2c8f47a200b3fc7f148382166cd1b6

Linked disclosures

Regulatory filings (8) · 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 >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov