MalwareEducationEducationRansomwareStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedData EncryptedRansom DemandedRansom PaidCustomer Data InvolvedIdentity (basic)Government IDMediumContained

The Oakwood School

bd_79c560c9796288a8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 16, 2020

Filed

Feb 3, 2021

To disclose

29 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

65%

Full breach record for The Oakwood School →

The Oakwood School notified individuals of a data breach involving its vendor, Blackbaud, Inc. Unauthorized access to Blackbaud's network occurred between February 7, 2020, and May 20, 2020, involving a ransomware attack. Backup files containing unencrypted names and Social Security numbers were exfiltrated. Blackbaud paid a ransom and confirmed the files were destroyed. The Oakwood School offered two years of identity monitoring services.

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Incident timeline

undetected · 160 days

discovery → filing · 29 weeks / 202 days

Feb 7, 2020

Begins

Jul 16, 2020

Discovered

Feb 3, 2021

Filed

vs. sector median

+22 wks slower

This filing is one of 2 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 (1) · sorted by filing gap

Indiana State AGbd_90574aac50cde6bb2021-02-03Verified

Name: The Oakwood School
norm: the oakwood school
Domain: theoakwoodschool.org

Name: The Oakwood School
norm: the oakwood school
Domain: theoakwoodschool.org
Industry: Educationllm

Discovered: Jul 16, 2020
Breach occurred: Feb 7, 2020 – May 20, 2020
Undetected for: 160 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Third party: via Blackbaud, Inc.
Initial access: supply_chain

During the incident: Conducted our own investigation of the Blackbaud services we use
Worked with Blackbaud to identify the individuals whose information may have been involved
Notifying you of this incident
Offering complimentary membership to Identity Monitoring and Fraud Resolution services for two years
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 weeks(202 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 AGFeb 3 · first

California State AGFeb 3 · 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://oag.ca.gov/ecrime/databreach/reports/sb24-537722
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 3, 2021
Raw hash: 8bc710cd4009c70abe5d58a482cdfb9d8afc8c7e3f55bcdfc08e9f0476c33ca3

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityThe Oakwood School

Victim entityThe Oakwood School

Incidentdiscovered Jul 16, 2020

Stated responseConducted our own investigation of the Blackbaud services we use

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov