Social EngineeringProfessional ServicesProfessional ServicesPhishingTargetedEmployee Data InvolvedIdentity (basic)Government IDEmploymentMediumActive

MATRIX SERVICE COMPANY

bd_65eedd1401ce112e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 29, 2016

Filed

Mar 11, 2016

To disclose

11 days

Affected

5state residents only

Linked

2 filings

Confidence

65%

Full breach record for MATRIX SERVICE COMPANY →

Matrix Service Company notified NH AG of a targeted spear-phishing incident on Feb 3, 2016, where an employee sent PII (SSNs, DOB, salary) to an attacker impersonating the CEO. 5 NH residents affected. FBI/IRS notified. Credit monitoring offered.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 26 days

discovery → filing · 11 days

Feb 3, 2016

Begins

Feb 29, 2016

Discovered

Mar 11, 2016

Filed

vs. sector median

17 wks faster

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

Montana State AGbd_6c275496666be0f62016-03-11Candidate

Name: BAKER & HOSTETLER LLP
norm: baker hostetler

Name: MATRIX SERVICE COMPANY
norm: matrix service
Industry: Professional Servicesllm

Discovered: Feb 29, 2016
Breach occurred: Feb 3, 2016
Undetected for: 26 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 11, 2016
Affected individuals: 5state-resident count only
Data types: Identity (basic)Government IDEmployment
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified the IRS and federal law enforcementCooperating with their investigation
Initial access: phishing_link

During the incident: Notified the IRS and federal law enforcement
Provided an email notification of this incident to its current employees on March 3, 2016
Began mailing notification letters to the home addresses of affected current and former employees by March 11, 2016
Offering affected current and former employees two years of credit monitoring and identity theft protection services through Equifax
Providing call center support for those affected
Changes made: Reinforcing its information security training program with an emphasis on the detection and avoidance of phishing email scams
Identifying opportunities to increase security within its information technology systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 days(11 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 ↗

Montana State AGMar 11 · first

New Hampshire State AGMar 11 · 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://mm.nh.gov/files/uploads/doj/remote-docs/matrix-service-20160311.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 11, 2016
Raw hash: a0402f616a4ecc4e5af5b95e0abc35241439389ab7f94b85d9fc3d76a755471f

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityBAKER & HOSTETLER LLP

Victim entityMATRIX SERVICE COMPANY

Incidentdiscovered Feb 29, 2016

Stated responseNotified the IRS and federal law enforcement

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov