PhysicalProfessional ServicesProfessional ServicesTheftCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Mark Schaefer Associates

bd_e52842d759c8e6eb · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 9, 2017

Filed

Oct 16, 2017

To disclose

5 weeks

Affected

1state residents only

Confidence

67%

Full breach record for Mark Schaefer Associates →

Mark Schaefer Associates, LLP reported a break-in on September 9, 2017, resulting in the theft of two external hard drives. The drives may have contained client and employee PII, including names, addresses, SSNs, and financial data from before 2013. The firm filed a police report and offered one year of credit monitoring via TransUnion.

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Incident timeline

discovery → filing · 5 weeks / 37 days

Sep 9, 2017

Discovered

Oct 16, 2017

Filed

vs. sector median

13 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Mark Schaefer Associates
norm: mark schaefer associates

Name: Mark Schaefer Associates
norm: mark schaefer associates
Industry: Professional Servicesllm

Discovered: Sep 9, 2017
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1052 Exfiltration Over Physical Medium
Threat actor: ExternalFinancial

During the incident: Filed a police report with the Pasadena Police Department
Worked with our internal response team to recreate the data on the hard drives
Arranged for you to enroll, at no cost to you, in an online credit monitoring service (myTrueldentity) for one year provided by TransUnion Interactive
Changes made: Reviewing our systems and making improvements where we can to minimize the chances of this happening again
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(37 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/Mark-Schaefer-Associates-1.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 16, 2017
Raw hash: e370cbcfaa53b04c06740fb639dbc074009a8416aaa758e09bd48f9753f7566d

Reporting entityMark Schaefer Associates

Victim entityMark Schaefer Associates

Incidentdiscovered Sep 9, 2017

Stated responseFiled a police report with the Pasadena Police Department

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov