MisuseEducationEducationPrivilege AbuseEmployee Data InvolvedIdentity (basic)Government IDHighContained

Richland County School District One

bd_ca57de94b361cc6a · schema v1 · pii pii-v1

Severity

High

Discovered

Nov 29, 2023

Filed

Dec 18, 2023

To disclose

19 days

Affected

4,353state residents only

Linked

2 filings

Confidence

66%

Full breach record for Richland County School District One →

Richland School District One notified individuals on Dec 14, 2023, that on Nov 29, 2023, confidential employee information (name, address, SSN) from the 2016 1095-C form was potentially exposed to other employees via the MUNIS Employee Self Service system operated by vendor Tyler Technologies. The system was inactivated and fixed. Credit monitoring is being offered.

J jump to incidentP pin to compareR raw source

South Carolina clock✓ SC CRA notice due19 days discovery → filing

Incident timeline

discovery → filing · 19 days

Nov 29, 2023

Discovered

Dec 18, 2023

Filed

vs. sector median

4 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Vermont State AGbd_235ef3d17c4e9c1c2024-02-29 · +73dVerified

Name: Richland County School District One
norm: richland county school district one

Name: Richland County School District One
norm: richland county school district one
Industry: Educationllm

Discovered: Nov 29, 2023
Materiality determined: —
Notification sent: Dec 14, 2023
Affected individuals: 4,353state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: Internal
Initial access: insider_action

During the incident: Inactivated the MUNIS Employee Self Service system
Vendor diagnosed and fixed the problem
Working with the vendor to provide credit monitoring for one year
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 19 days(19 days from discovery to filing)
Compliance flags: SC CRA notice due
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 · 2 filings · 2 states

View merged incident ↗

South Carolina State AGDec 18 · first · this page

Vermont State AG+73d

Pattern: first filing Dec 18 (SC), last Feb 29 (VT) — a 73-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://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/RichlandSchoolDistrictOne.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 18, 2023
Raw hash: 3cc0e14bc0a4a02b5da54242395f24910c25f785c7ffc65d7017ccfda15c9140

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityRichland County School District One

Victim entityRichland County School District One

Incidentdiscovered Nov 29, 2023

Stated responseInactivated the MUNIS Employee Self Service system

ComplianceSC CRA notice due

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov