MalwareEducationTechnologyEducationRansomwareRansom DemandedData ExfiltratedSupply Chain (3P Vendor)TargetedIdentity (basic)Government IDEmploymentMediumContained

St. Sebastian's School

bd_f8b682c4137c432c · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 1, 2020

Filed

Aug 11, 2020

To disclose

15 weeks

Affected

1state residents only

Confidence

65%

Full breach record for St. Sebastian's School →2 incidents on file

St. Sebastian's School notified Montana DOJ of a Blackbaud ransomware incident (Feb-May 2020). Blackbaud, a cloud software provider, confirmed data exfiltration including names, addresses, employment info, and SSNs. Blackbaud paid ransom and confirmed data destruction. St. Sebastian's engaged Kroll for credit monitoring and hired independent consultants.

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Incident timeline

undetected · 84 days

discovery → filing · 15 weeks / 102 days

Feb 7, 2020

Begins

May 1, 2020

Discovered

Aug 11, 2020

Filed

vs. sector median

+8 wks slower

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

Name: St. Sebastian's School
norm: st sebastian s school
Domain: stsebs.org

Name: St. Sebastian's School
norm: st sebastian s school
Domain: blackbaud.com
Industry: EducationllmTechnologyllm

Discovered: May 1, 2020
Breach occurred: Feb 7, 2020 – May 20, 2020
Undetected for: 84 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 11, 2020
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDEmployment
Data elements: Social Security number
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified Montana Department of Justice

During the incident: Engaged an independent consultant to review records
Requested access to affected files from Blackbaud
Engaged Kroll to provide identity monitoring
Hired a third-party team of experts to monitor the dark web
Changes made: Blackbaud identified the vulnerability and took swift action to fix it
Blackbaud confirmed through testing by multiple third parties that its fix should withstand all known attack tactics
Blackbaud is further hardening its environment through enhancements to access management, network segmentation, and deployment of additional endpoint and network-based platforms
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 weeks(102 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/sebsSamp.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 11, 2020
Raw hash: 80bdef481307090d6ca4bd95048e1509c841773832fec24fbc1bb9d418505765

Reporting entitySt. Sebastian's School

Victim entitySt. Sebastian's School

Incidentdiscovered May 1, 2020

Stated responseEngaged an independent consultant to review records

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov