HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDHealth (basic)PIIMediumContained

McCormick Taylor, Inc.

bd_b4cbe9433b0a1c70 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 25, 2024

Filed

Mar 18, 2025

To disclose

12 weeks

Affected

77state residents only

Linked

2 filings

Confidence

66%

Full breach record for McCormick Taylor, Inc. →

McCormick Taylor, Inc. notified Maryland AG of unauthorized access to employee files between Dec 16-27, 2024. 77 Maryland residents affected. Data included names, SSNs, driver's licenses, and health info. Credit monitoring offered for 24 months.

J jump to incidentP pin to compareR raw source

Maryland clock⏱ MD AG >30d12 weeks discovery → filing

Incident timeline

undetected · 9 days

discovery → filing · 12 weeks / 83 days

Dec 16, 2024

Begins

Dec 25, 2024

Discovered

Mar 18, 2025

Filed

vs. sector median

7 wks faster

This filing is one of 2 about the same incident.View merged incident

A leak claim by qilin about this victim predates this filing by 79 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteqilinbd_c97dafc1f69b689e2024-12-29 · +79dCandidate

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: McCormick Taylor, Inc.
norm: mccormick taylor
Domain: mccormicktaylor.com
Industry: Professional Servicesllm

Discovered: Dec 25, 2024
Breach occurred: Dec 16, 2024 – Dec 27, 2024
Undetected for: 9 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 18, 2025
Affected individuals: 77state-resident count only
Data types: Identity (basic)Government IDHealth (basic)PII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Providing written notice of this incident to relevant state regulators
Initial access: valid_credentials

During the incident: Launched an investigation to determine the nature and scope of the activity
Undertook a comprehensive review of the potentially impacted files
Providing access to credit monitoring services for twenty-four (24) months through Experian
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing individuals with information on how to place a fraud alert and security freeze on one’s credit file
Providing written notice of this incident to relevant state regulators
Changes made: Continuing to build upon its existing security protocols
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(83 days from discovery to filing)
Compliance flags: MD AG >30dLeak >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

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.maryland.gov/resources-info/SBN%20Documents/2025/ITU-376568.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 18, 2025
Raw hash: 97ec32b888c12c694c202debf3be349cfd802f566138eb772d45c3591f837444

Linked disclosures

Ransomware claims (1)

Reporting entityMullen Coughlin LLC

Victim entityMcCormick Taylor, Inc.

Incidentdiscovered Dec 25, 2024

Stated responseLaunched an investigation to determine the nature and scope of the activity

ComplianceMD AG >30d

Extraction provenanceno artifact recorded

Source provenanceoag.maryland.gov