HackingFinancial ServicesFinanceStolen CredentialsCustomer Data InvolvedIdentity (basic)LowContained

CREDIT UNION OF SOUTHERN CALIFORNIA

bd_bcc967111ff13a78 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 31, 2023

Filed

Jun 1, 2023

To disclose

17 weeks

Affected

Not disclosed

Linked

4 filings

Confidence

65%

Full breach record for CREDIT UNION OF SOUTHERN CALIFORNIA →

Credit Union of Southern California (CU SoCal) notified the California Attorney General of unauthorized access to a CalBear employee email account between January 11 and January 31, 2023. CU SoCal became aware of suspicious activity on January 31, 2023. The investigation confirmed unauthorized access but could not confirm if emails were read. Potentially impacted information includes names and other personal data. CU SoCal secured the account, engaged forensic specialists, reset passwords, enhanced training, and offered 24 months of credit monitoring.

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California clockDiscovered Jan 31, 2023 → Notified May 26, 2023115d ✗ CA 60-day late17 weeks discovery → filing

Incident timeline

undetected · 20 days

discovery → filing · 17 weeks / 121 days

Jan 11, 2023

Begins

Jan 31, 2023

Discovered

Jun 1, 2023

Filed

vs. sector median

+9 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Indiana State AGbd_42479ec1e8736d032023-05-18 · +14dVerified
California State AGbd_8f27d1346d2ebeff2023-05-18 · +14dCandidate
Vermont State AGbd_df0b12f39d31af622023-05-18 · +14dVerified

Name: CREDIT UNION OF SOUTHERN CALIFORNIA
norm: credit union of southern california

Name: CREDIT UNION OF SOUTHERN CALIFORNIA
norm: credit union of southern california
Industry: Financial Servicesllm

Discovered: Jan 31, 2023
Breach occurred: Jan 11, 2023 – Jan 31, 2023
Undetected for: 20 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 26, 2023
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Secured the email account
Launched an investigation with the assistance of third-party forensic specialists
Reset the email account password for the impacted Cal Bear employee
Initiated an investigation to determine who may have been impacted by the unauthorized email access
Bolstered employee training and emphasized policies and procedures
Offering immediate access to complimentary credit monitoring and identity theft protection services for 24 months through Experian
Changes made: Bolstered employee training
Emphasized policies and procedures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(121 days from discovery to filing)
Compliance flags: CA 60-day late · 115d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Jan 31, 2023
→ Notified: May 26, 2023
115d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Jan 31, 2023 → Notified: May 26, 2023	115d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 3 states

View merged incident ↗

Indiana State AGMay 18 · first

California State AGMay 18 · first

Vermont State AGMay 18 · first

California State AG+14d · this page

Pattern: first filing May 18 (IN), last Jun 1 (CA) — a 14-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.ca.gov/ecrime/databreach/reports/sb24-567478
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 1, 2023
Raw hash: 48373c7714e335c58f7137bea0981be070efc3ec48ab3bca6a53801095856aa0

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityCREDIT UNION OF SOUTHERN CALIFORNIA

Victim entityCREDIT UNION OF SOUTHERN CALIFORNIA

Incidentdiscovered Jan 31, 2023

Stated responseSecured the email account

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov