Social EngineeringFinancial ServicesFinancePhishingStolen CredentialsCustomer Data InvolvedTargetedIdentity (basic)MediumContained

South Bay Credit Union

bd_d3138b4a5b9dfc1e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 18, 2024

Filed

May 13, 2025

To disclose

18 weeks

Affected · nationwide

7,4792 in this filing

Linked

7 filings

Confidence

66%

Full breach record for South Bay Credit Union →

South Bay Credit Union reported an external system breach (hacking) on 11/18/2024, discovered on 01/07/2025. Unauthorized access to one employee's email account compromised names and other personal identifiers for 7,479 individuals, including 2 Maine residents. Notices were sent on 05/13/2025, offering credit monitoring.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Nov 18, 2024 → Filed with AG May 13, 2025176d ⏱ ME AG >30d18 weeks discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 25 weeks / 176 days

Nov 18, 2024

Begins

Nov 18, 2024

Discovered

May 13, 2025

Filed

vs. sector median

+10 wks slower

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

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Nebraska State AGbd_48a00e0afe054afa2025-05-13Verified
Indiana State AGbd_99daa838a9f34a3d2025-05-13Verified
California State AGbd_be8aa70e9935fd482025-05-13Candidate
Vermont State AGbd_08a74b1806c29f8f2025-05-14 · +1dVerified

Show 2 more filings ↓up to 3d gap

Massachusetts State AGbd_28b9c45860b8a0462025-05-14 · +1dVerified
New Hampshire State AGbd_abc8380b4c4f53402025-05-16 · +3dVerified

Name: South Bay Credit Union
norm: south bay credit union
Domain: southbaycu.com

Name: South Bay Credit Union
norm: south bay credit union
Domain: southbaycu.com
Industry: Financial Servicesllm

Discovered: Nov 18, 2024
Breach occurred: Nov 18, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 13, 2025
Affected individuals: 7,479state + nationwide
Data types: Identity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Secured the email account
Engaged a team of third-party specialists to investigate the incident
Offered complimentary credit monitoring and identity protection services
Changes made: Confirmed necessary technical safeguards are in place
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 18 weeks(126 days from discovery to filing)
Compliance flags: ME AG >30d · 176dME resident >60d · 176d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Nov 18, 2024
→ Filed with AG: May 13, 2025
176d 30 days (soft) ME AG >30d
Maine
Discovered: Nov 18, 2024
→ Notified: May 13, 2025
176d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Nov 18, 2024 → Filed with AG: May 13, 2025	176d	30 days (soft)	ME AG >30d
Maine	Discovered: Nov 18, 2024 → Notified: May 13, 2025	176d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Nebraska State AGMay 13 · first

Indiana State AGMay 13 · first

California State AGMay 13 · first

Maine State AGMay 13 · first · this page

Vermont State AG+1d

Massachusetts State AG+1d

New Hampshire State AG+3d

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-a1252b4f8318/111f53f5-70c0-4862-b931-3bb6a86b5718.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 13, 2025
Raw hash: 0424fb9fd34e5e61f51b4818e7073a60194d88d44ad0d11284519f1a4b5dc570

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entitySouth Bay Credit Union

Victim entitySouth Bay Credit Union

Incidentdiscovered Nov 18, 2024

Stated responseSecured the email account

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov