HackingRetail & ConsumerRetailCustomer Data InvolvedIdentity (basic)Government IDHealth (basic)Financial accountMediumContained

McGrath RentCorp

bd_fa59c2da7ef5f425 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 17, 2021

Filed

Dec 15, 2021

To disclose

22 weeks

Affected

2state residents only

Linked

7 filings

Confidence

68%

Full breach record for McGrath RentCorp →

McGrath RentCorp notified the New Hampshire Attorney General on December 15, 2021, of a data security incident discovered on July 17, 2021. An unknown actor gained unauthorized access to systems. The breach affected 2 New Hampshire residents, exposing names, Social Security numbers, and potentially health, financial, and biometric data. MGRC took systems offline, engaged cybersecurity experts, reported to the FBI, and offered 12 months of identity protection services.

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Incident timeline

discovery → filing · 22 weeks / 151 days

Jul 17, 2021

Discovered

Dec 15, 2021

Filed

vs. sector median

+14 wks slower

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Massachusetts State AGbd_0d2c9295f8c8b5062021-12-15Verified
Montana State AGbd_46ba1dbe610c32162021-12-15Verified
Indiana State AGbd_56067e058bc3a64f2021-12-15Verified
California State AGbd_9601abb2008ff6ab2021-12-15Verified

Show 2 more filings ↓up to 348d gap

Maine State AGbd_d2568fd1a5bd577c2021-12-15Verified
Illinois State AGbd_481c9ed3518842eb2021-01-01 · +348dCandidate

Name: McGrath RentCorp
norm: mcgrath rentcorp

Name: McGrath RentCorp
norm: mcgrath rentcorp
Industry: Retail & Consumerllm

Discovered: Jul 17, 2021
Materiality determined: —
Notification sent: Dec 15, 2021
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government IDHealth (basic)Financial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Notified New Hampshire Office of the Attorney General
Initial access: exploit_public_facing

During the incident: Took the systems offline to stop the unauthorized access
Worked with its cybersecurity experts to further examine the incident
Reported the incident to the Federal Bureau of Investigation
Cooperate with the FBI as necessary to help identify and prosecute the perpetrators
Changes made: Implemented additional security measures to protect its network and systems
Updated its policies and procedures to reduce the likelihood of future incidents
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(151 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Illinois State AGJan 1 · first

Massachusetts State AG+348d

Montana State AG+348d

Indiana State AG+348d

California State AG+348d

Maine State AG+348d

New Hampshire State AG+348d · this page

Pattern: first filing Jan 1 (IL), last Dec 15 (NH) — a 348-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/mcgrath-rentcorp-20211215.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 15, 2021
Raw hash: bca36b0d98d033b5c8806131fd209b083a2a25cbdf0dc59086c8a3f497c668fe

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityMcGrath RentCorp

Victim entityMcGrath RentCorp

Incidentdiscovered Jul 17, 2021

Stated responseTook the systems offline to stop the unauthorized access

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov