HackingTechnologyInformationStolen CredentialsData ExfiltratedCustomer Data InvolvedPIIEmploymentLowContained

Insomniac Games

bd_ff05ac4460ff3c84 · schema v1 · pii pii-v1

Severity

Low

Discovered

Dec 11, 2023

Filed

Feb 22, 2024

To disclose

10 weeks

Affected

Not disclosed

Linked

5 filings

Confidence

65%

Full breach record for Insomniac Games →

Insomniac Games issued a supplemental notice regarding a November 2023 data breach where an unauthorized actor accessed IT systems and downloaded employment files containing personal information. The company engaged external experts, notified law enforcement, and extended ID Watchdog credit monitoring services to affected employees.

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Vermont clock✗ VT AG >45 bday10 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 16 days

discovery → filing · 10 weeks / 73 days

Nov 25, 2023

Begins

Dec 11, 2023

Discovered

Feb 22, 2024

Filed

vs. sector median

8 wks faster

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Indiana State AGbd_47cad5d40799df682024-02-22Verified
California State AGbd_57053fe08ba6b20c2024-02-22Candidate
New Hampshire State AGbd_80642d152ae6bdce2024-02-22Verified
Massachusetts State AGbd_b484e38d5d9a1c932024-02-23 · +1dVerified

Name: Insomniac Games
norm: insomniac games
Domain: insomniac.games

Name: Insomniac Games
norm: insomniac games
Domain: insomniac.games
Industry: Technologyllm

Discovered: Dec 11, 2023
Breach occurred: Nov 25, 2023 – Nov 26, 2023
Undetected for: 16 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 22, 2024
Affected individuals: Not disclosed
Data types: PIIEmployment
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Took certain systems offline
Launched investigation with assistance from external cybersecurity experts
Notified law enforcement
Changes made: Strengthened security controls
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(73 days from discovery to filing)
Compliance flags: VT AG >45 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Indiana State AGFeb 22 · first

California State AGFeb 22 · first

New Hampshire State AGFeb 22 · first

Vermont State AGFeb 22 · first · this page

Massachusetts State AG+1d

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://ago.vermont.gov/document/2024-02-22-insomniac-games-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 22, 2024
Raw hash: 99e54fd29085d523c3cfd6fecfa5f2c848348aa41be5c459799681ccae58b1b6

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityInsomniac Games

Victim entityInsomniac Games

Incidentdiscovered Dec 11, 2023

Stated responseTook certain systems offline

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov