HackingTechnologyInformationData ExfiltratedCustomer Data InvolvedIdentity (basic)LowContained

McIntosh Laboratory, Inc.

bd_e93121403e6224fc · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 21, 2025

Filed

Dec 17, 2025

To disclose

8 weeks

Affected

Not disclosed

Linked

3 filings

Confidence

64%

Full breach record for McIntosh Laboratory, Inc. →2 incidents on file

McIntosh Laboratory, Inc. experienced a cyber attack where an unauthorized third party accessed and acquired data between October 17 and 19, 2025. The company detected suspicious activity on October 21, 2025. Affected data included names and other personal information. The company secured its systems and engaged forensic experts.

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California clockDiscovered Oct 21, 2025 → Notified Dec 17, 202557d ✓ CA 60-day OK8 weeks discovery → filing

Incident timeline

undetected · 4 days

discovery → filing · 8 weeks / 57 days

Oct 17, 2025

Begins

Oct 21, 2025

Discovered

Dec 17, 2025

Filed

vs. sector median

11 wks faster

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

Vermont State AGbd_8e51a7419ded0fc92025-12-17Verified
Nebraska State AGbd_f370660bca9b3e592025-12-17Verified

Name: McIntosh Laboratory, Inc.
norm: mcintosh laboratory

Name: McIntosh Laboratory, Inc.
norm: mcintosh laboratory
Industry: Technologyllm

Discovered: Oct 21, 2025
Breach occurred: Oct 17, 2025 – Oct 19, 2025
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 17, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified California Attorney General

During the incident: Took immediate steps to secure our network
Engaged forensic experts to investigate
Conducted a prompt review of the impacted data
Provided information about steps that you can take to help protect your personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(57 days from discovery to filing)
Compliance flags: CA 60-day OK · 57d
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: Oct 21, 2025
→ Notified: Dec 17, 2025
57d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Oct 21, 2025 → Notified: Dec 17, 2025	57d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Vermont State AGDec 17 · first

Nebraska State AGDec 17 · first

California State AGDec 17 · 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/sb24-615917
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 17, 2025
Raw hash: 69af12d11306240fb544801721144e214ca9c5ca901e58daceb800ddc45dc0ab

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMcIntosh Laboratory, Inc.

Victim entityMcIntosh Laboratory, Inc.

Incidentdiscovered Oct 21, 2025

Stated responseTook immediate steps to secure our network

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov