HackingFinancial ServicesFinanceCustomer Data InvolvedPIIIdentity (basic)LowContained

Millennium Corporate Credit Union

bd_5512cba6b6e26a47 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 9, 2024

Filed

Nov 13, 2025

To disclose

—

Affected

1state residents only

Linked

2 filings

Confidence

66%

Full breach record for Millennium Corporate Credit Union →

Millennium Corporate Credit Union (MCCU) notified the Maryland Attorney General of a data security incident. MCCU became aware of unusual network activity on November 9, 2024, and determined that an unauthorized person may have accessed personal information of some customers on or around that date. The investigation concluded on December 12, 2024. One Maryland resident was affected and notified on January 9, 2025. MCCU engaged outside experts, notified the FBI, implemented additional technical security measures, and offered 12 months of complimentary credit monitoring and identity protection services through IDX.

J jump to incidentP pin to compareR raw source

Incident timeline

Nov 9, 2024

Begins

Nov 9, 2024

Discovered

Nov 13, 2025

Filed

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Nebraska State AGbd_c6b30f0ec1a5f5df2025-01-09 · +308dCandidate

Name: Millennium Corporate Credit Union
norm: millennium corporate credit union
Domain: millenniumcorporate.org

Name: Millennium Corporate Credit Union
norm: millennium corporate credit union
Domain: millenniumcorporate.org
Industry: Financial Servicesllm

Discovered: Nov 9, 2024
Breach occurred: Nov 9, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 9, 2025
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unknown
Threat actor: External
Regulator citations: Notified the Federal Bureau of Investigation

During the incident: Took steps to secure its systems
Began an investigation to determine what happened
Worked to ascertain the identities of involved individuals and the types of their information that may have been involved
Worked to identify current contact information to notify individuals
Notified the Federal Bureau of Investigation
Offering individuals complimentary credit monitoring and identity protection services through IDX, a Zerofox Company
Implemented additional technical security measures throughout the environment
Changes made: Implemented additional technical security measures throughout the environment
Implemented measures to enhance network security and minimize the risk of a similar incident occurring in the future
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Nebraska State AGJan 9 · first

Maryland State AG+308d · this page

Pattern: first filing Jan 9 (NE), last Nov 13 (MD) — a 308-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://oag.maryland.gov/resources-info/SBN%20Documents/2025/ITU-376212.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 13, 2025
Raw hash: 44971e30c8e0bd137dae23364fa5bcc867ccee1f9249b96867ff4b9a67ec83e9

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMillennium Corporate Credit Union

Victim entityMillennium Corporate Credit Union

Incidentdiscovered Nov 9, 2024

Stated responseTook steps to secure its systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.maryland.gov