HackingFinancial ServicesFinanceCustomer Data InvolvedIdentity (basic)Government IDHigh

CINFED FEDERAL CREDIT UNION

bd_1fe5ae06aa1948fc · schema v1 · pii pii-v1

Severity

High

Discovered

Oct 23, 2023

Filed

Nov 9, 2023

To disclose

17 days

Affected · nationwide

57,9594 in this filing

Linked

4 filings

Confidence

50%

Full breach record for CINFED FEDERAL CREDIT UNION →

Cinfed Federal Credit Union was impacted by an external system breach (hacking) that occurred between September 22, 2023, and September 25, 2023. The breach was discovered on October 23, 2023. The compromised information includes names or other personal identifiers in combination with Social Security Numbers. Four Maine residents were affected. Cinfed is offering 12 months of Experian IdentityWorks Credit 3B identity protection services to affected individuals.

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Maine clockDiscovered Oct 23, 2023 → Filed with AG Nov 9, 202317d ✓ ME AG ≤30d17 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 · 31 days

discovery → filing · 17 days

Sep 22, 2023

Begins

Oct 23, 2023

Discovered

Nov 9, 2023

Filed

vs. sector median

7 wks faster

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Montana State AGbd_038ba59a2ea65cbf2023-11-09Candidate
Massachusetts State AGbd_f0d545f4ea56bb802023-11-09Verified
Vermont State AGbd_f3b8d449ce3f05bf2023-11-09Verified

Name: CINFED FEDERAL CREDIT UNION
norm: cinfed federal credit union

Name: CINFED FEDERAL CREDIT UNION
norm: cinfed federal credit union
Industry: Financial Servicesllm

Discovered: Oct 23, 2023
Breach occurred: Sep 22, 2023 – Sep 25, 2023
Undetected for: 31 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 9, 2023
Affected individuals: 57,959state + nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access

Changes made: Offered 12 months of Experian IdentityWorks Credit 3B identity protection services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 days(17 days from discovery to filing)
Compliance flags: ME AG ≤30d · 17d
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: Oct 23, 2023
→ Filed with AG: Nov 9, 2023
17d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Oct 23, 2023 → Filed with AG: Nov 9, 2023	17d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Montana State AGNov 9 · first

Massachusetts State AGNov 9 · first

Vermont State AGNov 9 · first

Maine State AGNov 9 · first · this page

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-a1252b4f8318/5148ba99-c8e9-42cc-bf51-400f9f032c68.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 9, 2023
Raw hash: 2d5bfee25c1249598afd65645ac13e3e7645d6481c0cdcd04dd27b8adde70a00

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityCINFED FEDERAL CREDIT UNION

Victim entityCINFED FEDERAL CREDIT UNION

Incidentdiscovered Oct 23, 2023

Stated responseOffered 12 months of Experian IdentityWorks Credit 3B identity protection services

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov