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

Seven Hills School

bd_7978e3673e3bf999 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 16, 2020

Filed

Apr 13, 2021

To disclose

39 weeks

Affected

Not disclosed

Confidence

64%

Full breach record for Seven Hills School →

Seven Hills School notified individuals that their name and Social Security number may have been accessed by an unauthorized party via a third-party vendor, Blackbaud, Inc. Blackbaud experienced a ransomware attack between February 7, 2020, and May 20, 2020, resulting in the exfiltration of backup files. Blackbaud paid a ransom and confirmed the files were destroyed. Seven Hills School launched an investigation and determined on January 4, 2021, that some individuals' information was involved. Complimentary identity monitoring services are being offered.

J jump to incidentP pin to compareR raw source

California clockDiscovered Jul 16, 2020 → Notified Jan 4, 2021172d ✗ CA 60-day late39 weeks discovery → filing

Incident timeline

undetected · 160 days

discovery → filing · 39 weeks / 271 days

Feb 7, 2020

Begins

Jul 16, 2020

Discovered

Apr 13, 2021

Filed

vs. sector median

+32 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.ConfirmedView incident

Name: Seven Hills School
norm: seven hills school
Domain: 7hills.org

Name: Seven Hills School
norm: seven hills school
Domain: 7hills.org
Industry: Educationllm

Discovered: Jul 16, 2020
Breach occurred: Feb 7, 2020 – May 20, 2020
Undetected for: 160 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 4, 2021
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
Regulator citations: Blackbaud reported that it has been working with law enforcement
Third party: via Blackbaud, Inc.
Initial access: supply_chain

During the incident: Launched our own investigation and worked with Blackbaud to identify the individuals whose information may have been involved
Notified affected individuals of the incident
Offered complimentary membership to Identity Monitoring and Fraud Resolution services for two years
Changes made: Blackbaud identified and fixed the vulnerability associated with this incident
Blackbaud implemented several changes that will better protect data from any subsequent incidents
Blackbaud is undertaking additional efforts to harden their environment through enhancements to access management, network segmentation, and deployment of additional endpoint and network-based platforms
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 39 weeks(271 days from discovery to filing)
Compliance flags: CA 60-day late · 172d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Jul 16, 2020
→ Notified: Jan 4, 2021
172d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Jul 16, 2020 → Notified: Jan 4, 2021	172d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

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://oag.ca.gov/ecrime/databreach/reports/sb24-539910
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 13, 2021
Raw hash: f3cc70d58939704049286afa4e107a12105602128c7de1d5017781112e00fc98

Reporting entitySeven Hills School

Victim entitySeven Hills School

Incidentdiscovered Jul 16, 2020

Stated responseLaunched our own investigation and worked with Blackbaud to identify the individuals whose information may have been involved

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov