MalwareOtherRansomwareCapture Stored DataData ExfiltratedData EncryptedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

American Plumbing & Heating Corporation

bd_cafced506e218c57 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 18, 2024

Filed

Feb 4, 2025

To disclose

7 weeks

Affected · nationwide

301 in this filing

Linked

5 filings

Confidence

66%

Full breach record for American Plumbing & Heating Corporation →2 incidents on file

American Plumbing & Heating Corporation experienced a ransomware incident on December 18, 2024, where files were locked by a virus and subsequently copied without permission. The breach affected approximately 1 Maryland resident and 29 Rhode Island residents, exposing names and Social Security numbers. The company notified federal law enforcement, recovered systems from backups, and is offering 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d7 weeks discovery → filing

Incident timeline

discovery → filing · 7 weeks / 48 days

Dec 18, 2024

Begins

Dec 18, 2024

Discovered

Feb 4, 2025

Filed

vs. sector median

1 wks faster

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteransomhubbd_22ab074d07dc14b82025-01-10 · +24dVerified

Regulatory filings (3) · sorted by filing gap

New Hampshire State AGbd_11381bc8eadb3aea2025-02-04Verified
Massachusetts State AGbd_b8dabfc5d20aec1b2025-02-04Verified by operator
Maine State AGbd_df85026e11fe22e32025-02-04Verified

Name: American Plumbing & Heating Corporation
norm: american plumbing heating

Name: American Plumbing & Heating Corporation
norm: american plumbing heating
Domain: amerplumb.com
Industry: Otherllm

Discovered: Dec 18, 2024
Breach occurred: Dec 18, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 4, 2025
Affected individuals: 30state + nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified federal law enforcement

During the incident: Took steps to verify the security of its computer network
Securely recovered its systems from backups
Completed a comprehensive review to determine file contents and affected individuals
Notified federal law enforcement regarding the event
Implemented supplemental technical security measures and practices
Providing access to credit monitoring services for twenty-four (24) months, through TransUnion
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Changes made: Implemented supplemental technical security measures and practices to reduce the risk of an event like this reoccurring
Continue to evaluate policies, procedures, staff training, and technical security measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(48 days from discovery to filing)
Compliance flags: Leak >180dMD AG >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.

Filing propagation · 4 filings · 4 states

View merged incident ↗

New Hampshire State AGFeb 4 · first

Massachusetts State AGFeb 4 · first

Maine State AGFeb 4 · first

Maryland State AGFeb 4 · first · this page

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-376323.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 4, 2025
Raw hash: 0ba9a66655bf4940ffab5b06921cc3dd2ed60545c520dc7e0a9db0aa45079f77

Linked disclosures

Ransomware claims (1)

Regulatory filings (3) · sorted by filing gap

Reporting entityAmerican Plumbing & Heating Corporation

Victim entityAmerican Plumbing & Heating Corporation

Incidentdiscovered Dec 18, 2024

Stated responseTook steps to verify the security of its computer network

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenanceoag.maryland.gov