HackingEducationEducationSupply Chain (3P Vendor)Delayed DiscoveryData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)Government IDHigh

Maryknoll School

bd_864032707bbf1493 · schema v1 · pii pii-v1

Severity

High

Discovered

Dec 23, 2020

Filed

Mar 24, 2021

To disclose

13 weeks

Affected · nationwide

8,7782 in this filing

Linked

3 filings

Confidence

64%

Full breach record for Maryknoll School →

Maryknoll School, an educational institution, reported a data breach affecting 8,778 individuals due to a security incident at its third-party vendor, Blackbaud, Inc. The breach, which occurred between February 7, 2020, and May 20, 2020, was discovered on December 23, 2020. The compromised information included names and Social Security numbers. The school began notifying affected individuals on March 24, 2021, and offered 24 months of identity theft protection services.

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Maine clockDiscovered Dec 23, 2020 → Filed with AG Mar 24, 202191d ✗ ME AG >90d13 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 320 days

discovery → filing · 13 weeks / 91 days

Feb 7, 2020

Begins

Dec 23, 2020

Discovered

Mar 24, 2021

Filed

vs. sector median

+4 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

Montana State AGbd_0fced5d19b1565932021-03-24Candidate
New Hampshire State AGbd_34ecb2cf54c7e3ef2021-03-25 · +1dVerified

Name: BAKER & HOSTETLER LLP
norm: baker hostetler

Name: Maryknoll School
norm: maryknoll school
Industry: Education
Industry: Educationllm

Discovered: Dec 23, 2020
Breach occurred: Feb 7, 2020 – May 20, 2020
Undetected for: 320 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 24, 2021
Affected individuals: 8,778state + nationwide
Data types: PIIIdentity (basic)Government ID
Data elements: Social Security number
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: External

During the incident: Offered 24 months of credit monitoring and identity theft protection services through CyberScout/Equifax
Sent written notification to affected consumers
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(91 days from discovery to filing)
Compliance flags: ME AG >90d · 91d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Dec 23, 2020
→ Filed with AG: Mar 24, 2021
91d 90 days ME AG >90d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Dec 23, 2020 → Filed with AG: Mar 24, 2021	91d	90 days	ME AG >90d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Montana State AGMar 24 · first

Maine 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/f9005027-0f5a-42b5-a3c5-f4985fe2a461.shtml
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: 3d1e78df93a6f68013ef829b18e728073cd5d961676f88195b5b00b6392a5325

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityBAKER & HOSTETLER LLP

Victim entityMaryknoll School

Incidentdiscovered Dec 23, 2020

Stated responseOffered 24 months of credit monitoring and identity theft protection services through CyberScout/Equifax

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov