HackingRetail & ConsumerRetailStolen CredentialsEmployee Data InvolvedData ExfiltratedIdentity (basic)Government IDHealth (basic)MediumContained

Monro, Inc.

bd_81844f5cb8cb5b78 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 1, 2024

Filed

Mar 21, 2025

To disclose

20 weeks

Affected

Not disclosed

Linked

11 filings

Confidence

65%

Full breach record for Monro, Inc. →2 incidents on file

Monro, Inc. experienced a security incident in late 2024 where an unauthorized actor accessed an employee's electronic mailbox. The incident involved potential access to personal information including names, social security numbers, addresses, dates of birth, ID numbers, and certain health information (accident history). The company investigated the incident, changed passwords, modified email controls, and is offering 12 months of complimentary identity monitoring services.

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Incident timeline

discovery → filing · 20 weeks / 140 days

Nov 1, 2024

Begins

Nov 1, 2024

Discovered

Mar 21, 2025

Filed

vs. sector median

+13 wks slower

This filing is one of 11 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Indiana State AGbd_3909ba1739d123c42025-03-21Verified
California State AGbd_f9efcb8fd813b56c2025-03-21Verified
Maryland State AGbd_597f39e11b1b76062025-03-20 · +1dVerified
New Hampshire State AGbd_688c27eeb1e682da2025-03-24 · +3dVerified

Show 6 more filings ↓up to 20d gap

Vermont State AGbd_098cf4205b448a912025-03-25 · +4dVerified
Massachusetts State AGbd_c8b2973a6792f7822025-03-25 · +4dVerified
Maine State AGbd_eea3ee925e08d5fd2025-03-25 · +4dCandidate
South Carolina State AGbd_3ac2d54b4965ee762025-03-26 · +5dVerified
Rhode Island State AGbd_40d944e1175487512025-03-27 · +6dVerified
Illinois State AGbd_31e308004c755e6d2025-03-01 · +20dVerified

Name: Monro, Inc.
norm: monro

Name: Monro, Inc.
norm: monro
Industry: Retail & Consumerllm

Discovered: Nov 1, 2024
Breach occurred: Nov 1, 2024 – Nov 30, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 21, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDHealth (basic)
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Undertook an investigation
Changing passwords
Modifying internal e-mail settings and controls
Engaging in increased user training
Changes made: Changing passwords
Modifying internal e-mail settings and controls
Engaging in increased user training to further protect our e-mail environment
Offering complimentary access to Experian IdentityWorks for 12 months
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 20 weeks(140 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 11 states

View merged incident ↗

Illinois State AGMar 1 · first

Maryland State AG+19d

Indiana State AG+20d

California State AG+20d

Delaware State AG+20d · this page

New Hampshire State AG+23d

Vermont State AG+24d

Massachusetts State AG+24d

Maine State AG+24d

South Carolina State AG+25d

Rhode Island State AG+26d

Pattern: first filing Mar 1 (IL), last Mar 27 (RI) — a 26-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://attorneygeneral.delaware.gov/wp-content/uploads/sites/50/2025/03/Redacted-Version-1.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 21, 2025
Raw hash: 65cb3b5f9f6e81f06ecdec4af580efae26a5c4c71c9e16ca0191b506ea159445

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityMonro, Inc.

Victim entityMonro, Inc.

Incidentdiscovered Nov 1, 2024

Stated responseUndertook an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceattorneygeneral.delaware.gov