HackingEducationEducationSupply Chain (3P Vendor)Customer Data InvolvedGovernment IDIdentity (basic)MediumActive

St. Mark's School of Texas

bd_919ba6ace5407df0 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jun 8, 2021

To disclose

—

Affected

4state residents only

Linked

4 filings

Confidence

67%

Full breach record for St. Mark's School of Texas →2 incidents on file

St. Marks School of Texas notified Montana DOJ of a third-party data breach involving its vendor, Blackbaud. The incident exposed Social Security numbers, contact information, dates of birth, and ethnicity of affected individuals. The school engaged forensic specialists and legal counsel, and Blackbaud provided 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline — partial

? — ?

Breach window unknown

Jun 8, 2021

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

This filing is one of 4 filings about the same incident.View merged incident

Part of BLACKBAUD, INC. supply-chain incident (2020) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Indiana State AGbd_121f5041a2d1ce212021-06-08Verified
Maine State AGbd_fdb4ecaa8878724d2021-06-17 · +9dVerified by operator
Massachusetts State AGbd_8dd999d883da6f8c2021-06-22 · +14dVerified

Name: St. Mark's School of Texas
norm: st mark s school of texas
Domain: smtexas.org

Name: St. Mark's School of Texas
norm: st mark s school of texas
Domain: smtexas.org
Industry: Educationllm

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 4state-resident count only
Data types: Government IDIdentity (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: Partner
Third party: via Blackbaud
Initial access: supply_chain

During the incident: Engaged independent technology systems specialists to conduct threat assessment and penetration testing
Working closely with legal counsel that specializes in cyber-crime
In constant communication with Blackbaud representatives
Changes made: Providing 24 months of free credit monitoring services
Providing proactive fraud assistance and remediation support
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Indiana State AGJun 8 · first

Montana State AGJun 8 · first · this page

Maine State AG+9d

Massachusetts State AG+14d

Pattern: first filing Jun 8 (IN), last Jun 22 (MA) — a 14-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/smarks-notif.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 8, 2021
Raw hash: 8ce482c79cec97f352fc540d9defbfd367c742ba980ca901843b14cca240eaa2

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entitySt. Mark's School of Texas

Victim entitySt. Mark's School of Texas

IncidentThird-Party / Supply Chain

Stated responseEngaged independent technology systems specialists to conduct threat assessment and penetration testing

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov