HackingTechnologyInformationSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedPIIEmploymentIdentity (basic)LowContained

Halma plc

bd_460219805d057b65 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jun 8, 2023

Filed

Jun 21, 2023

To disclose

13 days

Affected

243state residents only

Linked

2 filings

Confidence

67%

Full breach record for Halma plc →3 incidents on file

Halma plc notified the NH AG of a data incident involving 243 NH residents. On June 8, 2023, MOVEit (a third-party file transfer vendor) alerted Halma that US employee data was compromised and potentially exfiltrated. Halma engaged cybersecurity partners, monitored the dark web, and notified residents on June 12, 2023. Data types include employment and personal info.

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Incident timeline

discovery → filing · 13 days

Jun 8, 2023

Discovered

Jun 21, 2023

Filed

vs. sector median

17 wks faster

This filing is one of 2 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 →

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Maine State AGbd_de423852a76ad2a42023-07-07 · +16dCandidate

Name: Halma plc
norm: halma
Domain: halma.com

Name: Halma plc
norm: halma
Domain: halma.com
Industry: Technologyllm

Discovered: Jun 8, 2023
Materiality determined: —
Notification sent: Jun 12, 2023
Affected individuals: 243state-resident count only
Data types: PIIEmploymentIdentity (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General
Third party: via MOVEit
Initial access: supply_chain

During the incident: Began working with its cybersecurity partners to ensure the data is now secure
Actively monitoring the Dark Web for any mention of Halma data
Began notifying the impacted New Hampshire residents
Changes made: Offering all affected employees access to an online tool to help protect you from identity theft
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 days(13 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

New Hampshire State AGJun 21 · first · this page

Maine State AG+16d

Pattern: first filing Jun 21 (NH), last Jul 7 (ME) — a 16-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://mm.nh.gov/files/uploads/doj/remote-docs/halma-20230621.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 21, 2023
Raw hash: d46ba8d95dfc71207c86e63dc64a3fc99f4d696e1d7cdbe264d8d0c8ddc26aa9

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityHalma plc

Victim entityHalma plc

Incidentdiscovered Jun 8, 2023

Stated responseBegan working with its cybersecurity partners to ensure the data is now secure

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov