HackingFinancial ServicesFinanceCustomer Data InvolvedIdentity (basic)LowContained

Commonwealth Business Bank

bd_54238b869ebe266c · schema v1 · pii pii-v1

Severity

Low

Discovered

Feb 6, 2025

Filed

Dec 9, 2025

To disclose

44 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

65%

Full breach record for Commonwealth Business Bank →2 incidents on file

Commonwealth Business Bank reported unauthorized access to its network between January 25 and February 8, 2025, discovered on February 6, 2025. The incident potentially involved names and other basic identity information. The bank secured its environment, engaged third-party specialists, and is offering credit monitoring. This is a supplemental notice filed with the California Attorney General.

J jump to incidentP pin to compareR raw source

California clockDiscovered Feb 6, 2025 → Notified Dec 9, 2025306d ✗ CA 60-day late44 weeks discovery → filing

Incident timeline

undetected · 12 days

discovery → filing · 44 weeks / 306 days

Jan 25, 2025

Begins

Feb 6, 2025

Discovered

Dec 9, 2025

Filed

vs. sector median

+35 wks slower

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

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Texas State AGbd_f1b4d8f72d82bc962025-12-10 · +1dVerified

Name: Commonwealth Business Bank
norm: commonwealth business bank

Name: Commonwealth Business Bank
norm: commonwealth business bank
Industry: Financial Servicesllm

Discovered: Feb 6, 2025
Breach occurred: Jan 25, 2025 – Feb 8, 2025
Undetected for: 12 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 9, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Unknown
Regulator citations: Working with federal regulatory agencies and law enforcement

During the incident: Took steps to secure our environment
Launched a comprehensive investigation with the assistance of third-party cybersecurity specialists
Implemented additional cybersecurity measures
Reviewed existing security policies
Working with federal regulatory agencies and law enforcement
Offering complimentary access to Experian IdentityWorks
Changes made: Implemented additional cybersecurity measures
Reviewed existing security policies
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 44 weeks(306 days from discovery to filing)
Compliance flags: CA 60-day late · 306d
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: Feb 6, 2025
→ Notified: Dec 9, 2025
306d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Feb 6, 2025 → Notified: Dec 9, 2025	306d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

California State AGDec 9 · first · this page

Texas State AG+1d

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/sb24-615471
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 9, 2025
Raw hash: c76d9f29afe68b44abcde7f553431b95c31df4373f5a94b641d47ed81fdaee4d

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityCommonwealth Business Bank

Victim entityCommonwealth Business Bank

Incidentdiscovered Feb 6, 2025

Stated responseTook steps to secure our environment

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov