HackingTechnologyManufacturingInformationStolen CredentialsCapture Stored DataData ExfiltratedTargetedMulti-Stage ChainIdentity (basic)LowContained

JOHNSON CONTROLS, INC.

bd_b3d1bc45d4933741 · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 24, 2023

Filed

Jun 30, 2025

To disclose

22 months

Affected

639state residents only

Linked

12 filings

Confidence

66%

Full breach record for JOHNSON CONTROLS, INC. →3 incidents on file

Johnson Controls notified Montana and other states of a cyber incident discovered September 24, 2023. Unauthorized actors accessed systems between Feb 1 and Sep 30, 2023, exfiltrating names and personal info. JCI engaged forensic experts, terminated access, notified law enforcement, and offered 2 years of credit monitoring via Equifax.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 235 days

discovery → filing · 22 months / 645 days

Feb 1, 2023

Begins

Sep 24, 2023

Discovered

Jun 30, 2025

Filed

vs. sector median

+73 wks slower

This filing is one of 12 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Iowa State AGbd_26c3ced2ff25f41e2025-06-30Verified
California State AGbd_5284e02cf7bdc3ab2025-06-30Verified
Delaware State AGbd_5dff2cf2bc9347e12025-06-30Verified
Washington State AGbd_6d51e51d4fab12b02025-06-30Verified

Show 6 more filings ↓up to 7d gap

Indiana State AGbd_ef10c9b1f96618922025-06-30Verified
Vermont State AGbd_fa9193fcd908cd4f2025-06-30Verified
Texas State AGbd_06db4aad939182842025-07-01 · +1dVerified
Illinois State AGbd_0c4d9314febaae6a2025-07-01 · +1dVerified
Oregon State AGbd_f42e2ab3511b79722025-07-01 · +1dVerified
New Hampshire State AGbd_3286138d472476882025-07-07 · +7dVerified

Showing first 10 of 11 linked disclosures.

Name: JOHNSON CONTROLS, INC.
norm: johnson controls
Domain: johnsoncontrols.com

Name: JOHNSON CONTROLS, INC.
norm: johnson controls
Domain: johnsoncontrols.com
Industry: TechnologyllmManufacturingllm

Discovered: Sep 24, 2023
Breach occurred: Feb 1, 2023 – Sep 30, 2023
Undetected for: 235 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 639state-resident count only
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: notified law enforcement
Initial access: valid_credentials

During the incident: Launched an investigation with the support of leading third-party experts
Took steps to prevent further access and remove the actor from the network
Terminated the unauthorized actor’s access to the affected systems
Engaged third-party cybersecurity specialists to further investigate and resolve the incident
Notified law enforcement
Publicly disclosed the incident in filings on September 27, 2023; November 13, 2023; and December 14, 2023
Taken appropriate steps to enhance our security controls
Changes made: Enhance our security controls
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 months(645 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 11 states

View merged incident ↗

Iowa State AGJun 30 · first

California State AGJun 30 · first

Delaware State AGJun 30 · first

Washington State AGJun 30 · first

Indiana State AGJun 30 · first

Vermont State AGJun 30 · first

Montana State AGJun 30 · first · this page

Texas State AG+1d

Illinois State AG+1d

Oregon State AG+1d

New Hampshire State AG+7d

Pattern: first filing Jun 30 (IA), last Jul 7 (NH) — a 7-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 11 — the full spread may be wider.

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://dojmt.gov/wp-content/uploads/2025/08/Consumer-notification-letter-37.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 30, 2025
Raw hash: 27694e8b6d764be91965b4a81f5894a78287949a824fab017d046eced8267574

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityJOHNSON CONTROLS, INC.

Victim entityJOHNSON CONTROLS, INC.

Incidentdiscovered Sep 24, 2023

Stated responseLaunched an investigation with the support of leading third-party experts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov