MalwareEducationEducationRansomwareRansom DemandedRansom PaidData ExfiltratedData EncryptedSupply Chain (3P Vendor)Customer Data InvolvedIdentity (basic)Government IDMediumResolved

Maryknoll School

bd_0fced5d19b156593 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 29, 2020

Filed

Mar 24, 2021

To disclose

25 weeks

Affected

1state residents only

Linked

3 filings

Confidence

66%

Full breach record for Maryknoll School →

Maryknoll School notified individuals of a data breach involving its vendor, Blackbaud, Inc. Unauthorized access occurred between Feb 7 and May 20, 2020. Blackbaud confirmed an attempted ransomware attack where backup files containing names and SSNs were exfiltrated. Blackbaud paid a ransom and confirmed file destruction. Maryknoll School identified affected individuals and offered 2 years of credit monitoring.

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Incident timeline

undetected · 235 days

discovery → filing · 25 weeks / 176 days

Feb 7, 2020

Begins

Sep 29, 2020

Discovered

Mar 24, 2021

Filed

vs. sector median

+17 wks slower

This filing is one of 3 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 (2) · sorted by filing gap

Maine State AGbd_864032707bbf14932021-03-24Verified by operator
New Hampshire State AGbd_34ecb2cf54c7e3ef2021-03-25 · +1dVerified

Name: Maryknoll School
norm: maryknoll school

Name: Maryknoll School
norm: maryknoll school
Industry: Educationllm

Discovered: Sep 29, 2020
Breach occurred: Feb 7, 2020 – May 20, 2020
Undetected for: 235 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
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: Blackbaud reported working with law enforcement
Third party: via Blackbaud, Inc.

During the incident: Launched own investigation
Worked with Blackbaud and the Diocese of Honolulu to identify affected individuals
Securely obtained files from Blackbaud
Conducted thorough review of files
Notifying affected individuals
Offering complimentary membership to Identity Monitoring and Fraud Resolution services for two years
Changes made: Blackbaud identified and fixed the vulnerability associated with this incident
Implemented several changes that will better protect data from any subsequent incidents
Undertaking additional efforts to harden environment through enhancements to access management
Network segmentation
Deployment of additional endpoint and network-based platforms
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 25 weeks(176 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Maine State AGMar 24 · first

Montana State AGMar 24 · first · this page

New Hampshire State AG+1d

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/Maryknoll-Notif.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 24, 2021
Raw hash: 248489c11c01ba9ceea2d2ed820677aa4c0999d5b2a421c355f66434eedcbb96

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMaryknoll School

Victim entityMaryknoll School

Incidentdiscovered Sep 29, 2020

Stated responseLaunched own investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov