HackingTechnologyManufacturingInformationVulnerability ExploitSupply Chain (3P Vendor)Data ExfiltratedIdentity (basic)Government IDMediumContained

HONEYWELL INTERNATIONAL INC.

bd_b81cb97c9dfc40f7 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 3, 2023

Filed

Sep 13, 2023

To disclose

15 weeks

Affected

157state residents only

Linked

12 records

Confidence

66%

Full breach record for HONEYWELL INTERNATIONAL INC. →3 incidents on file

Honeywell International Inc. notified Montana residents of a data breach caused by a vulnerability in the third-party MOVEit Transfer tool. The incident, discovered on June 3, 2023, exposed names and Social Security numbers. Honeywell contacted law enforcement, blocked access, and offered 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d15 weeks discovery → filing

Incident timeline

discovery → filing · 15 weeks / 102 days

Jun 3, 2023

Discovered

Sep 13, 2023

Filed

vs. sector median

+4 wks slower

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

Part of Progress Software Corporation supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

A leak claim by cl0p about this victim was first seen 63 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitecl0pbd_f22b7e440580f8b12023-07-12 · +63dVerified by operator

Regulatory filings (9) · sorted by filing gap

Maine State AGbd_0d752e3684c41c282023-09-13Verified by operator
California State AGbd_12855ab747f661932023-09-13Verified by operator
South Carolina State AGbd_3289ac197c0ea2e82023-09-13Verified by operator
Oregon State AGbd_92d1816a1d43b54e2023-09-13Verified by operator

Show 5 more filings ↓up to 89d gap

Washington State AGbd_df1d83259f5418df2023-09-13Verified by operator
Vermont State AGbd_0e5f6f18649992892023-09-14 · +1dVerified by operator
New Hampshire State AGbd_87bef0e9631084a02023-09-18 · +5dVerified by operator
Massachusetts State AGbd_683fca2dfce9f4972023-06-16 · +89dVerified by operator
Indiana State AGbd_fd6b903b65c5629a2023-06-16 · +89dVerified by operator

Showing first 10 of 11 linked disclosures.

Name: HONEYWELL INTERNATIONAL INC.
norm: honeywell international
Domain: honeywell.com

Name: HONEYWELL INTERNATIONAL INC.
norm: honeywell international
Domain: honeywell.com
Industry: TechnologyllmManufacturingllm

Discovered: Jun 3, 2023
Materiality determined: —
Notification sent: Sep 14, 2023
Affected individuals: 157state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: contacting law enforcement
Initial access: supply_chain

During the incident: Contacting law enforcement
Blocking the unauthorized access
Remediating the vulnerability in the third-party tool
Offering credit monitoring/identity protection services for a period 24 months at no cost
Changes made: Remediating the vulnerability in the third-party tool
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 weeks(102 days from discovery to filing)
Compliance flags: Leak >30d
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 · 10 filings · 10 states

View merged incident ↗

Massachusetts State AGJun 16 · first

Indiana State AGJun 16 · first

Maine State AG+89d

California State AG+89d

South Carolina State AG+89d

Oregon State AG+89d

Washington State AG+89d

Montana State AG+89d · this page

Vermont State AG+90d

New Hampshire State AG+94d

Pattern: first filing Jun 16 (MA), last Sep 18 (NH) — a 94-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/OCP/Consumer-notification-letter-670.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 13, 2023
Raw hash: 1453bcd564770e7cc54c81d539a8b3786272e1d9c605f41ede90164a419e5deb

Linked disclosures

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Reporting entityHONEYWELL INTERNATIONAL INC.

Victim entityHONEYWELL INTERNATIONAL INC.

Incidentdiscovered Jun 3, 2023

Stated responseContacting law enforcement

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancedojmt.gov