HackingRetail & ConsumerRetailCustomer Data InvolvedGovernment IDIdentity (basic)HighContained

McGrath RentCorp

bd_d2568fd1a5bd577c · schema v1 · pii pii-v1

Severity

High

Discovered

Nov 15, 2021

Filed

Dec 15, 2021

To disclose

4 weeks

Affected · nationwide

6,6861 in this filing

Linked

7 filings

Confidence

66%

Full breach record for McGrath RentCorp →

McGrath RentCorp reported an external system breach (hacking) occurring on July 17, 2021, discovered on November 15, 2021. The incident compromised the names and Social Security Numbers of 6,686 individuals, including 1 Maine resident. Notification was sent on December 15, 2021, offering 12 months of identity protection services including credit monitoring and dark web monitoring through IDX.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Nov 15, 2021 → Filed with AG Dec 15, 202130d ✓ ME AG ≤30d4 weeks 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 · 121 days

discovery → filing · 4 weeks / 30 days

Jul 17, 2021

Begins

Nov 15, 2021

Discovered

Dec 15, 2021

Filed

vs. sector median

3 wks faster

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

New Hampshire State AGbd_fa59c2da7ef5f4252021-12-15Verified
Illinois State AGbd_481c9ed3518842eb2021-01-01 · +348dCandidate

Name: McGrath RentCorp
norm: mcgrath rentcorp

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

Discovered: Nov 15, 2021
Breach occurred: Jul 17, 2021
Undetected for: 121 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 15, 2021
Affected individuals: 6,686state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered complimentary identity protection services by IDX
Changes made: Provided 12 months of credit monitoring and dark web monitoring
Provided $1 million identity theft reimbursement insurance
Provided fully managed identity recovery services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(30 days from discovery to filing)
Compliance flags: ME AG ≤30d · 30d
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: Nov 15, 2021
→ Filed with AG: Dec 15, 2021
30d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Nov 15, 2021 → Filed with AG: Dec 15, 2021	30d	30 days	ME AG ≤30d

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

New Hampshire State AG+348d

Maine State AG+348d · this page

Pattern: first filing Jan 1 (IL), last Dec 15 (ME) — 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/aae2190a-738e-4b93-884a-cb521dccd6fd.shtml
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: fe6a7d72081fcf970ed8e75ad7170a16dc18b8bec9cd49c8c7d09e062976ea32

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityMcGrath RentCorp

Victim entityMcGrath RentCorp

Incidentdiscovered Nov 15, 2021

Stated responseSent written notification to affected individuals

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov