HackingFinancial ServicesFinanceVulnerability ExploitCapture Stored DataData ExfiltratedCustomer Data InvolvedDelayed DiscoveryMulti-Stage ChainIdentity (basic)Government IDFinancial accountMediumContained

WESCOM CENTRAL CREDIT UNION

bd_42931b6072463423 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 30, 2023

Filed

Apr 29, 2024

To disclose

48 weeks

Affected

557state residents only

Linked

2 filings

Confidence

69%

Full breach record for WESCOM CENTRAL CREDIT UNION →3 incidents on file

Wescom Central Credit Union reported a cyberattack involving a vulnerability in Barracuda's Email Security Gateway appliance. Unauthorized access occurred between October 30, 2022, and May 30, 2023. The incident exposed names, financial account numbers, SSNs, and driver's license numbers of 557 Washington residents. Wescom removed the appliance, engaged forensic experts, and provided credit monitoring.

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Washington clock✗ WA AG >90d48 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 · 212 days

discovery → filing · 48 weeks / 335 days

Oct 30, 2022

Begins

May 30, 2023

Discovered

Apr 29, 2024

Filed

vs. sector median

+40 wks slower

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

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

California State AGbd_1809c0affb7871cc2024-04-29Verified

Name: WESCOM CENTRAL CREDIT UNION
norm: wescom central credit union

Name: WESCOM CENTRAL CREDIT UNION
norm: wescom central credit union
Industry: Financial Servicesllm

Discovered: May 30, 2023
Breach occurred: Oct 30, 2022 – May 30, 2023
Undetected for: 212 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 9, 2024
Affected individuals: 557state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: NameSocial Security numberFinancial account number
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 200-299dexposure 200-299d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Notified other credit unions about the incident and the information involvedWorked with other credit unions to gather address information and mail notification letters
Initial access: exploit_public_facing

During the incident: Immediately launched an investigation to determine whether any data stored in or passing through the ESG appliance had been accessed by an unauthorized person
Removed the appliance from the network
Began an investigation into the incident with cybersecurity experts
Established a dedicated call center for individuals to call with questions about the incident
Provided letter recipients with complimentary credit monitoring
Changes made: Discontinued use of the ESG appliances
Decommissioned ESG appliances immediately upon notification
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 48 weeks(335 days from discovery to filing)
Compliance flags: WA AG >90d
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.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

California State AGApr 29 · first

Washington State AGApr 29 · 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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA28922.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 29, 2024
Raw hash: cf75cf66a0d69a0c5baed598b6ed8a5d5ec34cc792d582094a96a28d77b2e220

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityWESCOM CENTRAL CREDIT UNION

Victim entityWESCOM CENTRAL CREDIT UNION

Incidentdiscovered May 30, 2023

Stated responseImmediately launched an investigation to determine whether any data stored in or passing through the ESG appliance had been accessed by an unauthorized person

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com