MalwareFinancial ServicesFinanceRansomwareData EncryptedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

ENERGY ONE FEDERAL CREDIT UNION

bd_e46d62a8674a9410 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 4, 2020

Filed

Aug 21, 2020

To disclose

11 weeks

Affected

Not disclosed

Linked

3 filings

Confidence

65%

Full breach record for ENERGY ONE FEDERAL CREDIT UNION →2 incidents on file

Energy One Federal Credit Union experienced a ransomware incident on June 4, 2020, involving unauthorized encryption of files on its network. The actor may have accessed member information including names, addresses, financial account numbers, and Social Security numbers. The credit union secured the network, initiated a forensic investigation, and offered one year of identity protection services to affected members.

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Incident timeline

discovery → filing · 11 weeks / 78 days

Jun 4, 2020

Begins

Jun 4, 2020

Discovered

Aug 21, 2020

Filed

vs. sector median

+3 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Montana State AGbd_936ce43cc05dd1292020-08-21Candidate
Massachusetts State AGbd_eabc2c33ce97a7672020-08-21Verified

Name: ENERGY ONE FEDERAL CREDIT UNION
norm: energy one federal credit union

Name: ENERGY ONE FEDERAL CREDIT UNION
norm: energy one federal credit union
Industry: Financial Servicesllm

Discovered: Jun 4, 2020
Breach occurred: Jun 4, 2020 – Jun 16, 2020
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security number
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: External

During the incident: Immediately took steps to secure the network
Started a forensic investigation
Secured the services of Experian to offer complimentary one-year membership in Experian’s IdentityWorks
Changes made: Providing additional cybersecurity training to employees
Taking steps to further enhance existing security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(78 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Montana State AGAug 21 · first

Massachusetts State AGAug 21 · first

California State AGAug 21 · 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://oag.ca.gov/ecrime/databreach/reports/sb24-193375
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 21, 2020
Raw hash: 9e738fea7b7f19689ef47d824d7b16b42bdd9cbfd2f622a819b8a19382b581ef

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityENERGY ONE FEDERAL CREDIT UNION

Victim entityENERGY ONE FEDERAL CREDIT UNION

Incidentdiscovered Jun 4, 2020

Stated responseImmediately took steps to secure the network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov