MalwareEducationEducationRansomwareData ExfiltratedData EncryptedSupply Chain (3P Vendor)Government IDPIIMediumContained

Archbishop Moeller High School

bd_e2d5cd7b8ae2388a · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 16, 2020

Filed

Oct 16, 2020

To disclose

13 weeks

Affected

1state residents only

Linked

2 filings

Confidence

66%

Full breach record for Archbishop Moeller High School →

Archbishop Moeller High School notified individuals of a ransomware attack on third-party vendor Blackbaud, Inc. in February 2020. Attackers exfiltrated data including unencrypted Social Security Numbers. Moeller was notified by Blackbaud in July 2020. Credit monitoring services were offered to affected individuals.

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Incident timeline

undetected · 166 days

discovery → filing · 13 weeks / 92 days

Feb 1, 2020

Begins

Jul 16, 2020

Discovered

Oct 16, 2020

Filed

vs. sector median

+3 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

Indiana State AGbd_1fc6e01d684faf852020-10-16Verified

Name: Archbishop Moeller High School
norm: archbishop moeller high school
Domain: moeller.org

Name: Archbishop Moeller High School
norm: archbishop moeller high school
Domain: blackbaud.com
Industry: Educationllm

Discovered: Jul 16, 2020
Breach occurred: Feb 1, 2020
Undetected for: 166 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 16, 2020
Affected individuals: 1state-resident count only
Data types: Government IDPII
Data elements: Social Security number
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial

During the incident: Worked with Blackbaud to understand the scope of the data breach
Conducted internal investigation into the information affected
Working with privacy legal counsel to further investigate the incident
Providing access to Single Bureau Credit Monitoring services at no charge
Providing Proactive Fraud Assistance
Changes made: Ensure Blackbaud takes appropriate measures to protect against similar incidents in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(92 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 ↗

Indiana State AGOct 16 · first

Montana State AGOct 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/Moeller-Sample-Individual-Data-Breach-Notification-Letter.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 16, 2020
Raw hash: c71150df7c77cce0df63f3fe6f422b4fbcd6969a1f210bd9174ad4eb223f3f09

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityArchbishop Moeller High School

Victim entityArchbishop Moeller High School

Incidentdiscovered Jul 16, 2020

Stated responseWorked with Blackbaud to understand the scope of the data breach

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov