HackingData ExfiltratedCustomer Data InvolvedIdentity (basic)LowContained

Belkorp

bd_33f21d0ec4ef5dc0 · schema v1 · pii pii-v1

Severity

Low

Discovered

Apr 26, 2025

Filed

Sep 29, 2025

To disclose

22 weeks

Affected

Not disclosed

Linked

5 filings

Confidence

64%

Full breach record for Belkorp →

Belkorp Ag, LLC notified California residents of a data breach where an unauthorized actor accessed and copied data from its network between April 18 and April 26, 2025. The company became aware of suspicious activity on April 26, 2025. Affected data includes names and other personal information. The company engaged third-party forensic specialists, secured systems, notified law enforcement, and is offering credit monitoring services.

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California clockDiscovered Apr 26, 2025 → Notified Sep 29, 2025156d ✗ CA 60-day late22 weeks discovery → filing

Incident timeline

undetected · 8 days

discovery → filing · 22 weeks / 156 days

Apr 18, 2025

Begins

Apr 26, 2025

Discovered

Sep 29, 2025

Filed

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_2c7cc4cf8f3b29c92025-09-29Verified
New Hampshire State AGbd_9dd6cf97306448632025-09-29Verified
HHS OCRbd_dfdd474db57fec7c2025-09-29Verified
Montana State AGbd_553661b59516e0d72025-09-25 · +4dVerified

Name: Belkorp
norm: belkorp
Domain: belkorp.com

Name: Belkorp
norm: belkorp
Domain: belkorp.com

Discovered: Apr 26, 2025
Breach occurred: Apr 18, 2025 – Apr 26, 2025
Undetected for: 8 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 29, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Unknown
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified federal law enforcementNotifying state and federal regulators as required

During the incident: Launched an investigation into the nature and scope of the event with the assistance of third-party forensic specialists
Took steps to secure our systems
Notified federal law enforcement
Notifying state and federal regulators as required
Providing access to complimentary credit monitoring services through IDX
Changes made: Continue to evaluate and enhance our safeguards
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(156 days from discovery to filing)
Compliance flags: CA 60-day late · 156d
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: Apr 26, 2025
→ Notified: Sep 29, 2025
156d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Apr 26, 2025 → Notified: Sep 29, 2025	156d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 4 states

View merged incident ↗

Montana State AGSep 25 · first

Massachusetts State AG+4d

New Hampshire State AG+4d

HHS OCR+4d

California State AG+4d · 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/sb24-610801
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 29, 2025
Raw hash: 97ec2a61c7ebe73bcfae339a2f7b849d1f7fcd2757e6ca4eb6270155a4dea6c3

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityBelkorp

Victim entityBelkorp

Incidentdiscovered Apr 26, 2025

Stated responseLaunched an investigation into the nature and scope of the event with the assistance of third-party forensic specialists

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov