UnknownManufacturingManufacturingEmployee Data InvolvedGovernment IDIdentity (basic)MediumContained

Mission Bell Mfg Inc

bd_341d0eee0b17956c · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 1, 2025

Filed

Apr 4, 2025

To disclose

9 weeks

Affected

Not disclosed

Confidence

64%

Full breach record for Mission Bell Mfg Inc →

Mission Bell Mfg Inc notified the California Attorney General of a data security breach affecting employee personal information. The breach occurred on January 31, 2025, and was discovered on February 1, 2025. Affected data includes Social Security numbers and driver's license numbers. The company secured systems, launched an investigation with cybersecurity experts and law enforcement, and implemented enhanced monitoring and updated security protocols.

J jump to incidentP pin to compareR raw source

California clockDiscovered Feb 1, 2025 → Notified Mar 20, 202547d ✓ CA 60-day OK9 weeks discovery → filing

Incident timeline

undetected · 1 days

discovery → filing · 9 weeks / 62 days

Jan 31, 2025

Begins

Feb 1, 2025

Discovered

Apr 4, 2025

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: Mission Bell Mfg Inc
norm: mission bell mfg

Name: Mission Bell Mfg Inc
norm: mission bell mfg
Industry: Manufacturingllm

Discovered: Feb 1, 2025
Breach occurred: Jan 31, 2025
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Mar 20, 2025
Affected individuals: Not disclosed
Data types: Government IDIdentity (basic)
Attack vector: Unknown

During the incident: Took immediate steps to secure our systems
Launched an investigation
Working with cybersecurity experts
Working with law enforcement authorities
Changes made: Implemented new security measures such as enhanced monitoring
Updated security protocols
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(62 days from discovery to filing)
Compliance flags: CA 60-day OK · 47d
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 1, 2025
→ Notified: Mar 20, 2025
47d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Feb 1, 2025 → Notified: Mar 20, 2025	47d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

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/sb24-600915
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 4, 2025
Raw hash: edf76463008c7d72d7b4ff76d499240dd1c9bce2007bdb2eff871b2ac9007a59

Reporting entityMission Bell Mfg Inc

Victim entityMission Bell Mfg Inc

Incidentdiscovered Feb 1, 2025

Stated responseTook immediate steps to secure our systems

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov