MalwareEducationEducationRansomwareCapture Stored DataData EncryptedData ExfiltratedCustomer Data InvolvedDelayed DiscoveryRansom DemandedPIIIdentity (basic)LowResolved

Sierra Joint Community College District

bd_1908b5dabe61a707 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Feb 3, 2023

To disclose

—

Affected

Not disclosed

Linked

6 filings

Confidence

76%

Full breach record for Sierra Joint Community College District →2 incidents on file

On August 20, 2022, Sierra Joint Community College District (Sierra College) experienced a ransomware attack that encrypted some of its systems. A third-party forensic investigation determined by December 8, 2022 that an unauthorized individual accessed systems containing personal information including names and addresses. The college implemented additional security measures and offered free IDX identity monitoring services to affected individuals.

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Leak gap clock⏱ Leak >90d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline

Aug 20, 2022

Begins

Feb 3, 2023

Filed

This filing is one of 6 about the same incident.View merged incident

A leak claim by vicesociety about this victim predates this filing by 136 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitevicesocietybd_b715d85a4b900a472022-09-20 · +136dVerified by operator

Regulatory filings (4) · sorted by filing gap

New Hampshire State AGbd_fba0b08d3e585bfd2022-11-14 · +81dVerified
Massachusetts State AGbd_ce1ee3ecb0e499112022-11-12 · +83dVerified by operator
California State AGbd_186fb37bccdc5f822022-11-11 · +84dCandidate
Montana State AGbd_baf9efa918d193bf2022-11-11 · +84dVerified by operator

Name: Sierra Joint Community College District
norm: sierra joint community college district

Name: Sierra Joint Community College District
norm: sierra joint community college district
Industry: Educationllm

Discovered: —
Breach occurred: Aug 20, 2022
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1119 Automated CollectionT1078 Valid Accounts
Threat actor: ExternalFinancial

During the incident: Took immediate action to secure our network
Began the restoration process
Initiated an investigation into the cause and scope of the incident
Engaged a professional third-party forensic firm to assist
Changes made: Implemented additional measures to enhance the security of our network environment
Arranged to provide identity monitoring at no cost through IDX, including 12 months of credit and CyberScan monitoring, a $1,000,000 insurance reimbursement policy, and fully managed identity theft recovery services
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >90d
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 4 states

View merged incident ↗

California State AGNov 11 · first

Montana State AGNov 11 · first

Massachusetts State AG+1d

New Hampshire State AG+3d

California State AG+84d · this page

Pattern: first filing Nov 11 (CA), last Feb 3 (CA) — a 84-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/sb24-562724
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 3, 2023
Raw hash: f98e19e07e47cd3fbc0bea4f84979ddd28ab09e40536c8689702f26462eed7a4

Linked disclosures

Ransomware claims (1)

Regulatory filings (4) · sorted by filing gap

Reporting entitySierra Joint Community College District

Victim entitySierra Joint Community College District

IncidentRansomware

Stated responseTook immediate action to secure our network

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov