---
title: "LA Unified School District security incident"
description: "What the retained public evidence establishes about the LA Unified School District incident, its attack path, impact, and response."
incident_type: "Cybersecurity incident"
status: "active"
last_modified: "2026-09-19"
canonical_url: "https://www.ally.security/incidents/la-unified-school-district-security-incident-2022"
markdown_url: "https://www.ally.security/incidents/la-unified-school-district-security-incident-2022.md"
stix_url: "https://www.ally.security/incidents/la-unified-school-district-security-incident-2022/stix.json"
---

# LA Unified School District security incident

Vice Society. 2nd-largest US school district disrupted; ransom refused, data leaked.

Last modified Sep 19, 2026 · 1 source

## Summary

- **Environment:** Education/Government
- **Operational impact:** 2nd-largest US school district disrupted; ransom refused, data leaked
- **Financial impact:** No financial figure is established by the reviewed source evidence

## What happened

In 2022, Los Angeles Unified School District experienced an incident in its education/government environment. The retained source describes the attack path as follows: Vice Society. [1](#source-1)

The documented consequence was: 2nd-largest US school district disrupted; ransom refused, data leaked. [1](#source-1)

## Impact

- Documented impact: 2nd-largest US school district disrupted; ransom refused, data leaked. [1](#source-1)
- No financial loss, ransom amount, recovery cost, or regulatory penalty is established by the reviewed source evidence.

## Timeline

### March 24, 2023 — Documented public update

The [Los Angeles Unified School District data breach notice](https://oag.ca.gov/ecrime/databreach/reports/sb24-564719) records the incident facts used in this briefing. [1](#source-1)

### September 19, 2026 — Briefing updated

This briefing was last reviewed and updated on September 19, 2026.

## Threat Group & Attack Vector

The retained source describes the attack path as follows: Vice Society. The canonical record does not add intrusion steps beyond those supported by the source. [1](#source-1)

### Actors

- **Vice Society** — identified in the supported attack description. [1](#source-1)

### TTPs

- No specific MITRE ATT\&CK technique is currently mapped for this case.

## Response

The reviewed source does not describe containment, notification, or restoration steps in enough detail to summarize them responsibly.

This account is bounded to [Los Angeles Unified School District data breach notice](https://oag.ca.gov/ecrime/databreach/reports/sb24-564719). Details absent from that evidence are left unresolved rather than inferred. [1](#source-1)

## Assets

[Download the case-scoped STIX 2.1 bundle](<https://www.ally.security/incidents/la-unified-school-district-security-incident-2022/stix.json>)

## Sources

Primary source records used to research this incident.

<a id="source-1"></a>

### Los Angeles Unified School District data breach notice

regulatory · California Attorney General

<https://oag.ca.gov/ecrime/databreach/reports/sb24-564719>

<details>
<summary>Evidence ledger</summary>

Review the supporting structured claims.

1. **Resulted In · 83% confidence · current**  
   LA Unified School District security incident: 2nd-largest US school district disrupted; ransom refused, data leaked.
2. **Affected Organization · 100% confidence · current**  
   LA Unified School District security incident: Los Angeles Unified School District
3. **Resulted In · 100% confidence · current**  
   LA Unified School District security incident: The reviewed source documents the la unified school district security incident involving Los Angeles Unified School District.
4. **Occurred At · 100% confidence · current**  
   Documented public update: 2023-03-24
5. **Resulted In · 88% confidence · current**  
   LA Unified School District security incident: Vice Society.

</details>