HackingProfessional ServicesProfessional ServicesCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDHealth (basic)Financial accountBiometricMediumResolved

McGrath RentCorp

bd_9601abb2008ff6ab · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 17, 2021

Filed

Dec 15, 2021

To disclose

22 weeks

Affected

Not disclosed

Linked

7 filings

Confidence

65%

Full breach record for McGrath RentCorp →

McGrath RentCorp discovered unauthorized activity on its systems on July 17, 2021. The incident involved potential access to names, addresses, dates of birth, SSNs, driver's license numbers, health-related information, financial account information, and fingerprints. The company took systems offline, engaged cybersecurity experts, and notified the FBI. Identity monitoring services were offered to affected individuals.

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California clockDiscovered Jul 17, 2021 → Notified Dec 15, 2021151d ✗ CA 60-day late22 weeks discovery → filing

Incident timeline

discovery → filing · 22 weeks / 151 days

Jul 17, 2021

Begins

Jul 17, 2021

Discovered

Dec 15, 2021

Filed

vs. sector median

+3 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
Maine State AGbd_d2568fd1a5bd577c2021-12-15Verified

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: Professional Servicesllm

Discovered: Jul 17, 2021
Breach occurred: Jul 17, 2021
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 15, 2021
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDHealth (basic)Financial accountBiometric
Attack vector: Unknown
Threat actor: External
Regulator citations: Reported the incident to the Federal Bureau of Investigation

During the incident: Took the systems offline to stop the unauthorized access
Worked with cybersecurity experts to further examine the incident
Reported the incident to the Federal Bureau of Investigation
Secured the services of IDX to provide identity protection services at no cost
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(151 days from discovery to filing)
Compliance flags: CA 60-day late · 151d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Jul 17, 2021
→ Notified: Dec 15, 2021
151d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Jul 17, 2021 → Notified: Dec 15, 2021	151d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

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

Maine State AG+348d

New Hampshire State AG+348d

California State AG+348d · this page

Pattern: first filing Jan 1 (IL), last Dec 15 (CA) — 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://oag.ca.gov/ecrime/databreach/reports/sb24-548615
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: f93dd275f928694e1ef68220f95d4e4c0e47653c4d333959ebdd9129cb9631b1

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

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov