HackingManufacturingManufacturingVulnerability ExploitCapture Stored DataSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Harvey Construction Corporation

bd_9320c843023a3384 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 30, 2023

Filed

Mar 4, 2024

To disclose

14 weeks

Affected

Not disclosed

Linked

5 filings

Confidence

65%

Full breach record for Harvey Construction Corporation →

Harvey Construction Corporation notified consumers of a data breach affecting its external payroll provider, Paycor. An unauthorized actor exploited a vulnerability in the MOVEit transfer platform on May 31, 2023, downloading files containing names and Social Security numbers of current and former employees. Paycor engaged forensic investigators and reported to law enforcement. Harvey Construction is reviewing vendor relationships and offering credit monitoring services.

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Vermont clock✗ VT AG >45 bday14 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 · 183 days

discovery → filing · 14 weeks / 95 days

May 31, 2023

Begins

Nov 30, 2023

Discovered

Mar 4, 2024

Filed

vs. sector median

+3 wks slower

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

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

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteplaybd_b74caa0f9002ee642024-06-14 · +102dVerified by operator

Regulatory filings (3) · sorted by filing gap

New Hampshire State AGbd_5968442ff6e6e06c2024-03-04Verified
Maine State AGbd_af9f96841ff46a7a2024-03-04Candidate
Massachusetts State AGbd_c34fdf95a82b2d452024-03-04Verified by operator

Name: Harvey Construction Corporation
norm: harvey construction
Domain: harveyconst.com

Name: Harvey Construction Corporation
norm: harvey construction
Domain: harveyconst.com
Industry: Manufacturingllm

Discovered: Nov 30, 2023
Breach occurred: May 31, 2023
Undetected for: 183 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 4, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Paycor reported the incident to law enforcement
Third party: via Paycor
Initial access: exploit_public_facing

During the incident: Paycor retained a leading cybersecurity firm to conduct a forensic investigation
Paycor reported the incident to law enforcement
Paycor implemented technical measures to fix the MOVEit vulnerability
Harvey Construction is reviewing our relationships with each of our vendors
Offering complimentary credit monitoring and identity theft protection services through IDX
Changes made: Reviewing relationships with each of our vendors to ensure that they are maintaining the necessary security standards and procedures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 weeks(95 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 · 4 filings · 4 states

View merged incident ↗

New Hampshire State AGMar 4 · first

Maine State AGMar 4 · first

Massachusetts State AGMar 4 · first

Vermont State AGMar 4 · first · this page

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/2024-03-04-harvey-construction-corporation-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 4, 2024
Raw hash: 5dc73a19a81b925f6664d9de5dafe70fd86f907a8a5dee5096ee868dda824b13

Linked disclosures

Ransomware claims (1)

Regulatory filings (3) · sorted by filing gap

Reporting entityHarvey Construction Corporation

Victim entityHarvey Construction Corporation

Incidentdiscovered Nov 30, 2023

Stated responsePaycor retained a leading cybersecurity firm to conduct a forensic investigation

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov