---
title: "Activision Blizzard security incident"
description: "What the retained public evidence establishes about the Activision Blizzard 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/activision-blizzard-security-incident-2022"
markdown_url: "https://www.ally.security/incidents/activision-blizzard-security-incident-2022.md"
stix_url: "https://www.ally.security/incidents/activision-blizzard-security-incident-2022/stix.json"
---

# Activision Blizzard security incident

SMS phishing of an HR employee. Unreleased internal game content accessed.

Last modified Sep 19, 2026 · 1 source

## Summary

- **Environment:** Gaming
- **Operational impact:** Unreleased internal game content accessed
- **Financial impact:** No financial figure is established by the reviewed source evidence

## What happened

In 2022, Activision Blizzard experienced an incident in its gaming environment. The retained source describes the attack path as follows: SMS phishing of an HR employee. [1](#source-1)

The documented consequence was: Unreleased internal game content accessed. [1](#source-1)

## Impact

- Documented impact: Unreleased internal game content accessed. [1](#source-1)
- No financial loss, ransom amount, recovery cost, or regulatory penalty is established by the reviewed source evidence.

## Timeline

### February 21, 2023 — Documented public update

The [Activision confirms data breach exposing employee and game info](https://www.bleepingcomputer.com/news/security/activision-confirms-data-breach-exposing-employee-and-game-info/) 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: SMS phishing of an HR employee. The canonical record does not add intrusion steps beyond those supported by the source. [1](#source-1)

### Actors

- No threat actor group has been identified in the reviewed public evidence.

### TTPs

- [T1566 — Phishing](https://attack.mitre.org/techniques/T1566/) — mapped from the cited behavior. [1](#source-1)

## Response

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

This account is bounded to [Activision confirms data breach exposing employee and game info](https://www.bleepingcomputer.com/news/security/activision-confirms-data-breach-exposing-employee-and-game-info/). 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/activision-blizzard-security-incident-2022/stix.json>)

## Sources

Primary source records used to research this incident.

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

### Activision confirms data breach exposing employee and game info

news · BleepingComputer

<https://www.bleepingcomputer.com/news/security/activision-confirms-data-breach-exposing-employee-and-game-info/>

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

Review the supporting structured claims.

1. **Used Attack Technique · 90% confidence · current**  
   Activision Blizzard security incident: https://attack.mitre.org/techniques/T1566/
2. **Affected Organization · 100% confidence · current**  
   Activision Blizzard security incident: Activision Blizzard
3. **Occurred At · 100% confidence · current**  
   Documented public update: 2023-02-21
4. **Resulted In · 100% confidence · current**  
   Activision Blizzard security incident: The reviewed source documents the activision blizzard security incident involving Activision Blizzard.
5. **Resulted In · 87% confidence · current**  
   Activision Blizzard security incident: Unreleased internal game content accessed.
6. **Resulted In · 95% confidence · current**  
   Activision Blizzard security incident: SMS phishing of an HR employee.

</details>