HackingFinancial ServicesFinanceVulnerability ExploitData ExfiltratedTargetedFinancial accountIdentity (basic)Government IDPIIMediumContained

Chevron Federal Credit Union

bd_ac9885f89e17ab0a · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 31, 2023

Filed

Aug 24, 2023

To disclose

24 days

Affected

947state residents only

Linked

7 filings

Confidence

69%

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

Chevron Federal Credit Union (CFCU) notified Washington AG of a data breach involving unauthorized access to its MOVEit file transfer application. The incident occurred May 30-31, 2023, and was discovered in late July 2023 after a third-party firm published new detection methods. 947 Washington residents were affected. CFCU engaged forensic investigators and offered one year of credit monitoring.

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Leak gap clock✗ Leak >180d24 days discovery → filing

Incident timeline

undetected · 62 days

discovery → filing · 24 days

May 30, 2023

Begins

Jul 31, 2023

Discovered

Aug 24, 2023

Filed

vs. sector median

6 wks faster

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitecl0pbd_1e89fdb7a2e766602023-07-26 · +29dVerified by operator

Regulatory filings (5) · sorted by filing gap

Oregon State AGbd_1b66e5dcd4aa08ad2023-08-24Verified by operator
Montana State AGbd_44e6af40c606522b2023-08-24Verified
California State AGbd_516ce6f1fa331ab42023-08-24Verified
Massachusetts State AGbd_71a846f6a02d64ff2023-08-24Verified by operator

Show 1 more filing ↓up to 5d gap

Maine State AGbd_7b2fa1a1171856ff2023-08-29 · +5dVerified

Name: Chevron Federal Credit Union
norm: chevron federal credit union
Domain: chevronfcu.org

Name: Chevron Federal Credit Union
norm: chevron federal credit union
Domain: chevronfcu.org
Industry: Financial Servicesllm

Discovered: Jul 31, 2023
Breach occurred: May 30, 2023 – May 31, 2023
Undetected for: 62 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 24, 2023
Affected individuals: 947state-resident count only
Data types: PIIIdentity (basic)
Data elements: NameSocial Security numberFinancial account numberDate of birth
WA-stated cause: Unauthorized Access
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Initial access: exploit_public_facing

During the incident: Engaged a third-party cybersecurity forensics firm to validate findings and confirm the security of the data
Worked to notify affected individuals as soon as possible
Remediated the vulnerability in the MOVEit software
Changes made: Offered a complimentary one-year membership of Experian IdentityWorks Credit 3B
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 24 days(24 days from discovery to filing)
Compliance flags: Leak >180d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Oregon State AGAug 24 · first

Montana State AGAug 24 · first

California State AGAug 24 · first

Massachusetts State AGAug 24 · first

Washington State AGAug 24 · first · this page

Maine State AG+5d

Pattern: first filing Aug 24 (OR), last Aug 29 (ME) — a 5-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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA26335.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 24, 2023
Raw hash: 2ff8432b277d9c3a8fce9034258e0027c82a89c1115dbb4e4f4553dc31d27492

Linked disclosures

Ransomware claims (1)

Regulatory filings (5) · sorted by filing gap

Reporting entityChevron Federal Credit Union

Victim entityChevron Federal Credit Union

Incidentdiscovered Jul 31, 2023

Stated responseEngaged a third-party cybersecurity forensics firm to validate findings and confirm the security of the data

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com