HackingFinancial ServicesFinanceStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDFinancial accountHighContained

Quorum Federal Credit Union

bd_d656dc22c94733b0 · schema v1 · pii pii-v1

Severity

High

Discovered

Jun 20, 2023

Filed

Jul 17, 2023

To disclose

27 days

Affected · nationwide

17,05423 in this filing

Linked

7 filings

Confidence

66%

Full breach record for Quorum Federal Credit Union →2 incidents on file

Quorum Federal Credit Union reported a breach occurring May 28-30, 2023, discovered June 20, 2023. Approximately 17,054 individuals were affected, including 23 Maine residents. The incident involved unauthorized access to member records containing names, personal identifiers, and financial account or credit/debit card numbers (with security codes/PINs). The credit union provided written notification and offered one year of credit monitoring and identity theft restoration services through Kroll.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jun 20, 2023 → Filed with AG Jul 17, 202327d ✓ ME AG ≤30d27 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 · 23 days

discovery → filing · 27 days

May 28, 2023

Begins

Jun 20, 2023

Discovered

Jul 17, 2023

Filed

vs. sector median

5 wks faster

This filing is one of 7 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 →

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Sitedispossessorbd_e8c795bcc5dc102c2023-10-18 · +93dVerified by operator
Leak Sitecl0pbd_a2debe21896a7c302023-07-05 · +12dVerified by operator

Regulatory filings (4) · sorted by filing gap

Montana State AGbd_82052e2f5c4e9a442023-07-17Candidate
California State AGbd_b0840f575c1c318b2023-07-17Verified
Massachusetts State AGbd_c865abcecff2d4a22023-07-17Verified
Washington State AGbd_fc30fcc8f9d3ce422023-07-17Verified by operator

Name: Quorum Federal Credit Union
norm: quorum federal credit union
Domain: quorumfcu.org

Name: Quorum Federal Credit Union
norm: quorum federal credit union
Domain: quorumfcu.org
Industry: Financial Servicesllm

Discovered: Jun 20, 2023
Breach occurred: May 28, 2023 – May 30, 2023
Undetected for: 23 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 17, 2023
Affected individuals: 17,054state + nationwide
Data types: Identity (basic)Government IDFinancial account
Data elements: Financial account number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Filed data breach notice with Maine Attorney General's Office
Initial access: valid_credentials

During the incident: Sent written notification to affected consumers
Offered one-year credit monitoring, fraud consultation, and identity theft restoration through Kroll
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 27 days(27 days from discovery to filing)
Compliance flags: ME AG ≤30d · 27d
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: Jun 20, 2023
→ Filed with AG: Jul 17, 2023
27d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jun 20, 2023 → Filed with AG: Jul 17, 2023	27d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Montana State AGJul 17 · first

California State AGJul 17 · first

Massachusetts State AGJul 17 · first

Washington State AGJul 17 · first

Maine State AGJul 17 · 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-a1252b4f8318/001bef6c-ee6a-4fd2-adcc-14b914635f07.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 17, 2023
Raw hash: da80a00f17be421f191e77cddb341c5843e9914b9d796aefc5a1abe4a5f0581c

Linked disclosures

Ransomware claims (2)

Regulatory filings (4) · sorted by filing gap

Reporting entityQuorum Federal Credit Union

Victim entityQuorum Federal Credit Union

Incidentdiscovered Jun 20, 2023

Stated responseSent written notification to affected consumers

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov