HackingTechnologyInformationStolen CredentialsTargetedPIIIdentity (basic)LowContained

Mastech Digital, Inc.

bd_7a5f7ba69898bdca · schema v1 · pii pii-v1

Severity

Low

Discovered

Jul 7, 2022

Filed

Dec 16, 2022

To disclose

23 weeks

Affected

1state residents only

Linked

2 filings

Confidence

65%

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

Mastech Digital, Inc. notified Montana residents of unauthorized access to an employee email account between April 26 and July 22, 2022. The incident was discovered on July 7, 2022. Personal information was potentially accessed. Mastech secured the account, engaged forensic specialists, and provided 12 months of identity monitoring via Kroll.

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Incident timeline

undetected · 72 days

discovery → filing · 23 weeks / 162 days

Apr 26, 2022

Begins

Jul 7, 2022

Discovered

Dec 16, 2022

Filed

vs. sector median

+4 wks slower

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

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_f6af385dc7438d7a2022-12-16Verified

Name: Mastech Digital, Inc.
norm: mastech digital

Name: Mastech Digital, Inc.
norm: mastech digital
Industry: Technologyllm

Discovered: Jul 7, 2022
Breach occurred: Apr 26, 2022 – Jul 22, 2022
Undetected for: 72 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 15, 2022
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Launched an immediate investigation of the incident with the assistance of third-party forensic specialists
Secured the compromised account
Arranged to have Kroll provide identity monitoring services for 12 months at no cost
Changes made: Updating security features within our email environment
Deploying endpoint detection software on all Mastech laptops
Reinforcing security training and education for all Mastech employees
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 weeks(162 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Massachusetts State AGDec 16 · first

Montana State AGDec 16 · 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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-10.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 16, 2022
Raw hash: 73a183f0f14c8df5cc6c5a2ffe2fc1a25c8c6c691fb923e44847885ea3483cfe

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMastech Digital, Inc.

Victim entityMastech Digital, Inc.

Incidentdiscovered Jul 7, 2022

Stated responseLaunched an immediate investigation of the incident with the assistance of third-party forensic specialists

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov