MalwareEducationEducationRansomwareCapture Stored DataData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

Sierra Joint Community College District

bd_fba0b08d3e585bfd · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 20, 2022

Filed

Nov 14, 2022

To disclose

12 weeks

Affected

3state residents only

Linked

6 filings

Confidence

66%

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

Sierra Joint Community College District notified the NH AG of a ransomware incident detected on August 20, 2022. Unauthorized access resulted in system encryption and exfiltration of PII including SSNs, driver's licenses, and financial data. Three NH residents were affected. Notifications were mailed November 9, 2022, offering one year of credit monitoring.

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

Incident timeline

discovery → filing · 12 weeks / 86 days

Aug 20, 2022

Discovered

Oct 19, 2022

Scope determined

Nov 14, 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 55 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitevicesocietybd_b715d85a4b900a472022-09-20 · +55dVerified by operator

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_ce1ee3ecb0e499112022-11-12 · +2dVerified by operator
California State AGbd_186fb37bccdc5f822022-11-11 · +3dCandidate
Montana State AGbd_baf9efa918d193bf2022-11-11 · +3dVerified by operator
California State AGbd_1908b5dabe61a7072023-02-03 · +81dVerified

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
Materiality determined: Oct 19, 2022
Notification sent: Nov 9, 2022
Affected individuals: 3state-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 ImpactT1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Notified Attorney General John Formella
Initial access: valid_credentials

During the incident: Took steps to secure its network
Launched an investigation with the assistance of a cybersecurity firm
Notified law enforcement
Engaged a professional third-party forensic firm
Changes made: Evaluating additional administrative and technical safeguards
Implemented additional measures to enhance the security of our network environment
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(86 days from discovery to filing)
Compliance flags: Leak >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

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 · this page

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://mm.nh.gov/files/uploads/doj/remote-docs/sierra-college-20221114.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 14, 2022
Raw hash: 7460e17579b55fcf41d544a13f3ad10a9435cac781945e280384097395cf50d2

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 steps to secure its network

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov