HackingManufacturingCustomer Data InvolvedIdentity (basic)Government IDHighContained

Instron

bd_0be6426dcac08eb0 · schema v1 · pii pii-v1

Severity

High

Discovered

Dec 8, 2023

Filed

Dec 21, 2023

To disclose

13 days

Affected · nationwide

1,05910 in this filing

Linked

5 filings

Confidence

65%

Full breach record for Instron →

Instron reported an external system breach that occurred on August 18, 2023, and was discovered on December 8, 2023. The breach compromised the names and Social Security numbers of 1,059 individuals, including 10 Maine residents. Affected individuals were notified in writing on December 21, 2023, and offered 24 months of complimentary credit monitoring and identity theft restoration services.

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Leak gap clock⏱ Leak >30d13 days discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 112 days

discovery → filing · 13 days

Aug 18, 2023

Begins

Dec 8, 2023

Discovered

Dec 21, 2023

Filed

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

A leak claim by bianlian about this victim predates this filing by 71 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitebianlianbd_f6c5e732b03ee1142023-10-11 · +71dCandidate

Regulatory filings (3) · sorted by filing gap

Vermont State AGbd_1186e1aed21f3b4e2023-12-21Verified
Montana State AGbd_c2025e1e7b4f70b32023-12-21Verified
New Hampshire State AGbd_b0e6f686dc0395472023-12-28 · +7dVerified

Name: Instron
norm: instron
Domain: instron.com

Name: Instron
norm: instron
Domain: instron.com

Discovered: Dec 8, 2023
Breach occurred: Aug 18, 2023
Undetected for: 112 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 21, 2023
Affected individuals: 1,059state + nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
Threat actor: External

During the incident: Sent written notification to affected individuals
Offered 24 months of complimentary one-bureau credit monitoring, fraud consultation, and identity theft restoration services through Kroll Information Assurance, LLC
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 days(13 days from discovery to filing)
Compliance flags: Leak >30dME AG ≤30d · 13d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Dec 8, 2023
→ Filed with AG: Dec 21, 2023
13d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Dec 8, 2023 → Filed with AG: Dec 21, 2023	13d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Vermont State AGDec 21 · first

Montana State AGDec 21 · first

Maine State AGDec 21 · first · this page

New Hampshire State AG+7d

Pattern: first filing Dec 21 (VT), last Dec 28 (NH) — a 7-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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/e9170773-f795-4322-a511-25bafb8893e0.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 21, 2023
Raw hash: 2469b89da8eba451e27253fe51ca63a768e5df680e1601f58c6d904f7b1326b6

Linked disclosures

Ransomware claims (1)

Regulatory filings (3) · sorted by filing gap

Reporting entityInstron

Victim entityInstron

Incidentdiscovered Dec 8, 2023

Stated responseSent written notification to affected individuals

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov