HackingProfessional ServicesProfessional ServicesStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedPIIIdentity (basic)LowContained

MP Environmental Services, Inc.

bd_8e34557cf5ea2eea · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 20, 2020

Filed

Apr 15, 2020

To disclose

26 days

Affected

37state residents only

Confidence

66%

Full breach record for MP Environmental Services, Inc. →

MP Environmental Services notified Montana AG of a data breach involving its third-party payroll processor, PaperlessPay Corporation. Unauthorized access occurred on Feb 18, 2020. Employee PII (names) may have been accessed. No confirmation of data acquisition. 2 years credit monitoring offered.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 31 days

discovery → filing · 26 days

Feb 18, 2020

Begins

Mar 20, 2020

Discovered

Apr 15, 2020

Filed

vs. sector median

15 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed37 affectedView incident

Name: MP Environmental Services, Inc.
norm: mp environmental

Name: MP Environmental Services, Inc.
norm: mp environmental
Industry: Professional Servicesllm

Discovered: Mar 20, 2020
Breach occurred: Feb 18, 2020
Undetected for: 31 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 37state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Third party: via PaperlessPay Corporation
Initial access: valid_credentials

During the incident: Secured TransUnion to provide identity monitoring at no cost to you for two (2) years
Changes made: Continue to monitor and evaluate the vendor’s efforts to assure the continued security of our information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 days(26 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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://dojmt.gov/wp-content/uploads/OCP/Breach-NotificationDetails-153.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 15, 2020
Raw hash: faa04b05369346b2e76262050c8ed4474ea2ae4af516a5561b209171a14111ed

Reporting entityMP Environmental Services, Inc.

Victim entityMP Environmental Services, Inc.

Incidentdiscovered Mar 20, 2020

Stated responseSecured TransUnion to provide identity monitoring at no cost to you for two (2) years

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov