HackingOtherStolen CredentialsData ExfiltratedTargetedIdentity (basic)Government IDMediumContained

Cintas Corporation

bd_ddf2740c17871b61 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 20, 2020

Filed

Feb 15, 2021

To disclose

21 weeks

Affected

1state residents only

Linked

4 filings

Confidence

64%

Full breach record for Cintas Corporation →

Cintas Corporation notified Montana residents of unauthorized network access between Sept 16-20, 2020. Investigation revealed unauthorized access to file server folders containing partners' names, SSNs, and driver's license numbers. Cintas engaged a cybersecurity firm, notified law enforcement, and offered one year of Experian IdentityWorks credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 4 days

discovery → filing · 21 weeks / 148 days

Sep 16, 2020

Begins

Sep 20, 2020

Discovered

Feb 15, 2021

Filed

vs. sector median

+13 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Indiana State AGbd_10b336354022210d2021-02-15Verified
Massachusetts State AGbd_a8d0e2bd2a6201862021-02-15Verified
New Hampshire State AGbd_8b29a0c56ea7f77b2021-02-18 · +3dVerified

Name: Cintas Corporation
norm: cintas

Name: Cintas Corporation
norm: cintas
Industry: Otherllm

Discovered: Sep 20, 2020
Breach occurred: Sep 16, 2020 – Sep 20, 2020
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 12, 2021
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: Notified law enforcement
Initial access: valid_credentials

During the incident: Engaged a cybersecurity firm
Notified law enforcement
Worked to support their investigation
Conducted a careful review of the folders
Arranged for complimentary one-year membership to Experian’s IdentityWorks credit monitoring service
Changes made: Implemented additional measures to further enhance the security of our network
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 weeks(148 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Indiana State AGFeb 15 · first

Massachusetts State AGFeb 15 · first

Montana State AGFeb 15 · first · this page

New Hampshire State AG+3d

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://dojmt.gov/wp-content/uploads/cintSamp.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 15, 2021
Raw hash: a2b4c637d3b46cf56c9eeefbd96ac35080a307898940f70733e91979e2f11976

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityCintas Corporation

Victim entityCintas Corporation

Incidentdiscovered Sep 20, 2020

Stated responseEngaged a cybersecurity firm

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov