MalwareEducationEducationRansomwareData ExfiltratedData EncryptedSupply Chain (3P Vendor)Customer Data InvolvedRansom DemandedRansom PaidGovernment IDIdentity (basic)MediumContained

ST. XAVIER HIGH SCHOOL, INC.

bd_c8ae5dc106451019 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 16, 2020

Filed

Mar 10, 2021

To disclose

34 weeks

Affected

26state residents only

Confidence

66%

Full breach record for ST. XAVIER HIGH SCHOOL, INC. →2 incidents on file

Xavier High School notified the New Hampshire Attorney General of a ransomware incident involving third-party vendor Blackbaud. Unauthorized access occurred between February 7 and May 20, 2020, resulting in the exfiltration of donor names and Social Security numbers. Blackbaud paid a ransom and destroyed the stolen files. Xavier High School mailed notifications to 26 New Hampshire residents and offered two years of credit monitoring.

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Incident timeline

undetected · 160 days

discovery → filing · 34 weeks / 237 days

Feb 7, 2020

Begins

Jul 16, 2020

Discovered

Mar 10, 2021

Filed

vs. sector median

+25 wks slower

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

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed26 affectedView incident

Name: ST. XAVIER HIGH SCHOOL, INC.
norm: st xavier high school

Name: ST. XAVIER HIGH SCHOOL, INC.
norm: st xavier high school
Industry: Educationllm

Discovered: Jul 16, 2020
Breach occurred: Feb 7, 2020 – May 20, 2020
Undetected for: 160 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 8, 2021
Affected individuals: 26state-resident count only
Data types: Government IDIdentity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General Gordon MacDonald
Third party: via Blackbaud, Inc.vendor
Initial access: supply_chain

During the incident: Mailing notification letters to 26 New Hampshire residents via United States Postal Service First-Class mail
Offering the New Hampshire residents complimentary, two-year memberships to credit monitoring and identity theft prevention services through CyberScout
Established a dedicated phone number where the individual may obtain more information regarding the incident
Re-evaluating its relationship with Blackbaud and reviewing the security requirements it has for its data solution service vendors
Changes made: Re-evaluating its relationship with Blackbaud and reviewing the security requirements it has for its data solution service vendors
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 34 weeks(237 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://mm.nh.gov/files/uploads/doj/remote-docs/xavier-high-school-20210310.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 10, 2021
Raw hash: 62899e25ae4e164496f5c24da23ad424e6ef944e62e8ed6c87ab0a487b7abb3d

Reporting entityST. XAVIER HIGH SCHOOL, INC.

Victim entityST. XAVIER HIGH SCHOOL, INC.

Incidentdiscovered Jul 16, 2020

Stated responseMailing notification letters to 26 New Hampshire residents via United States Postal Service First-Class mail

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov