MalwareEducationEducationRansomwareData ExfiltratedData EncryptedIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

Sierra Joint Community College District

bd_baf9efa918d193bf · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 20, 2022

Filed

Nov 11, 2022

To disclose

12 weeks

Affected

5state residents only

Linked

6 filings

Confidence

63%

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

Sierra Joint Community College District notified affected individuals on November 9, 2022, of a ransomware attack on August 20, 2022. The incident resulted in the encryption of systems and unauthorized access to personal information including SSNs, driver's licenses, passport numbers, financial account info, and medical data. Forensic investigation confirmed the breach. The District engaged forensic investigators and provided 12 months of credit monitoring via IDX.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d12 weeks discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 12 weeks / 83 days

Aug 20, 2022

Begins

Aug 20, 2022

Discovered

Nov 11, 2022

Filed

vs. sector median

+5 wks slower

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 52 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitevicesocietybd_b715d85a4b900a472022-09-20 · +52dVerified by operator

Regulatory filings (4) · sorted by filing gap

California State AGbd_186fb37bccdc5f822022-11-11Candidate
Massachusetts State AGbd_ce1ee3ecb0e499112022-11-12 · +1dVerified by operator
New Hampshire State AGbd_fba0b08d3e585bfd2022-11-14 · +3dVerified
California State AGbd_1908b5dabe61a7072023-02-03 · +84dVerified

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: Aug 20, 2022
Breach occurred: Aug 20, 2022
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 9, 2022
Affected individuals: 5state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Data elements: Social Security numberMedical information
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial

During the incident: Took immediate action to secure network
Engaged professional third-party forensic firm
Initiated investigation into cause and scope
Changes made: Implemented additional measures to enhance security of network environment
Arranged to provide identity monitoring at no cost through IDX
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(83 days from discovery to filing)
Compliance flags: Leak >30d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

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 · this page

Massachusetts State AG+1d

New Hampshire State AG+3d

California State AG+84d

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://dojmt.gov/wp-content/uploads/OCP/Consumer-Notification-Letter-708.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 11, 2022
Raw hash: ea4e31580b890888412f1b9df74f6439417c9a944abedc02511f7495dc5cac06

Linked disclosures

Ransomware claims (1)

Regulatory filings (4) · sorted by filing gap

Reporting entitySierra Joint Community College District

Victim entitySierra Joint Community College District

Incidentdiscovered Aug 20, 2022

Stated responseTook immediate action to secure network

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancedojmt.gov