MalwareFinancial ServicesFinanceRansomwareData EncryptedRansom DemandedCustomer Data InvolvedIdentity (basic)Government IDHigh

Bayer Heritage Federal Credit Union

bd_46a9d4d215794836 · schema v1 · pii pii-v1

Severity

High

Discovered

Dec 1, 2023

Filed

Feb 6, 2024

To disclose

10 weeks

Affected · nationwide

61,1596 in this filing

Linked

6 filings

Confidence

65%

Full breach record for Bayer Heritage Federal Credit Union →

Bayer Heritage Federal Credit Union experienced a ransomware incident, discovered on December 1, 2023, which occurred on October 31, 2023. The breach affected 61,159 individuals, compromising their names and Social Security numbers. The credit union notified affected individuals and offered 12 months of credit monitoring services through Experian.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Dec 1, 2023 → Filed with AG Feb 6, 202467d ⏱ ME AG >30d10 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 · 31 days

discovery → filing · 10 weeks / 67 days

Oct 31, 2023

Begins

Dec 1, 2023

Discovered

Feb 6, 2024

Filed

vs. sector median

on median

This filing is one of 6 about the same incident.View merged incident

A leak claim by lorenz about this victim predates this filing by 67 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitelorenzbd_5b5aa7ccc8c9028d2023-12-01 · +67dVerified by operator

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_60b382d4082914f92024-02-06Verified by operator
Montana State AGbd_611ddf21b7468fd42024-02-06Verified by operator
New Hampshire State AGbd_fd262f0a9dde34282024-02-08 · +2dVerified
Maine State AGbd_616d6833f0ce10662024-03-29 · +52dVerified

Name: Bayer Heritage Federal Credit Union
norm: bayer heritage federal credit union
Domain: bayerhfcu.com

Name: Bayer Heritage Federal Credit Union
norm: bayer heritage federal credit union
Domain: bayerhfcu.com
Industry: Financial Servicesllm

Discovered: Dec 1, 2023
Breach occurred: Oct 31, 2023
Undetected for: 31 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 6, 2024
Affected individuals: 61,159state + nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial

During the incident: Notified consumers in writing
Offered 12 months of identity theft protection services through Experian
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(67 days from discovery to filing)
Compliance flags: ME AG >30d · 67dLeak >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: Dec 1, 2023
→ Filed with AG: Feb 6, 2024
67d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Dec 1, 2023 → Filed with AG: Feb 6, 2024	67d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 4 states

View merged incident ↗

Massachusetts State AGFeb 6 · first

Montana State AGFeb 6 · first

Maine State AGFeb 6 · first · this page

New Hampshire State AG+2d

Maine State AG+52d

Pattern: first filing Feb 6 (MA), last Mar 29 (ME) — a 52-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/dfbd4fa8-a7ba-482c-be99-5700946e008f.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 6, 2024
Raw hash: e75271e0bfe41ec0190a031a51acf6276a2769a2f52e2c473662ed89a92bc079

Linked disclosures

Ransomware claims (1)

Regulatory filings (4) · sorted by filing gap

Reporting entityBayer Heritage Federal Credit Union

Victim entityBayer Heritage Federal Credit Union

Incidentdiscovered Dec 1, 2023

Stated responseNotified consumers in writing

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov