MalwareEducationEducationRansomwareData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDEducationMediumContained

Rio Hondo Community College District

bd_2a4329f64ac93971 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 19, 2023

Filed

Feb 27, 2024

To disclose

19 weeks

Affected

Not disclosed

Linked

2 records

Confidence

65%

Rio Hondo Community College District experienced a ransomware attack between October 12 and October 19, 2023. The incident involved unauthorized access to the network, encryption of devices, and exfiltration of files. Personal information of current and former students, including names, addresses, Social Security numbers, and dates of birth, was accessed. The district engaged a cybersecurity firm, secured the network, and offered credit monitoring services.

J jump to incidentP pin to compareR raw source

California clockDiscovered Oct 19, 2023 → Notified Feb 27, 2024131d ✗ CA 60-day late19 weeks discovery → filing

Incident timeline

undetected · 7 days

discovery → filing · 19 weeks / 131 days

Oct 12, 2023

Begins

Oct 19, 2023

Discovered

Feb 27, 2024

Filed

This filing is one of 2 records about the same incident.View merged incident

A leak claim by lockbit_3 about this victim was first seen 119 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitelockbit_3bd_fa10d9d24ff538382023-10-23 · +127dCandidate

Name: Rio Hondo Community College District
norm: rio hondo community college district
Domain: riohondo.edu

Name: Rio Hondo Community College District
norm: rio hondo community college district
Domain: riohondo.edu
Industry: Educationllm

Discovered: Oct 19, 2023
Breach occurred: Oct 12, 2023 – Oct 19, 2023
Undetected for: 7 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 27, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDEducation
Data elements: Social Security numberDate of birth
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial

During the incident: Took prompt action to secure the network
Engaged an outside cybersecurity firm to assist in an investigation
Retained a vendor to conduct a comprehensive review of the files
Arranged for credit monitoring and identity protection services through IDX at no cost
Changes made: Taken steps to further enhance our existing security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 19 weeks(131 days from discovery to filing)
Compliance flags: CA 60-day late · 131dLeak >90d
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 19, 2023
→ Notified: Feb 27, 2024
131d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Oct 19, 2023 → Notified: Feb 27, 2024	131d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

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/sb24-581591
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 27, 2024
Raw hash: ddb79db8a731595f7085532a20e309e3b97a3d874c17dff8273a76390921bc04

Linked disclosures

Ransomware claims (1)

Reporting entityRio Hondo Community College District

Victim entityRio Hondo Community College District

Incidentdiscovered Oct 19, 2023

Stated responseTook prompt action to secure the network

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov