MalwareEducationEducationRansomwareData ExfiltratedRansom DemandedRansom PaidData EncryptedSupply Chain (3P Vendor)Customer Data InvolvedGovernment IDIdentity (basic)MediumContained

The Hewitt School

bd_7013aa6b7f1fca39 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 1, 2020

Filed

Nov 6, 2020

To disclose

27 weeks

Affected

1state residents only

Linked

3 filings

Confidence

66%

Full breach record for The Hewitt School →

The Hewitt School, a K-12 school in NYC, notified the NH Attorney General of a ransomware incident involving third-party provider Blackbaud. The attack occurred between Feb 7 and May 20, 2020. Blackbaud paid a ransom and confirmed destruction of exfiltrated data, which included SSNs, names, and contact info of 1 NH resident. Notifications were sent in Nov 2020, offering 24 months of credit monitoring.

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Incident timeline

undetected · 84 days

discovery → filing · 27 weeks / 189 days

Feb 7, 2020

Begins

May 1, 2020

Discovered

Nov 6, 2020

Filed

This filing is one of 3 filings 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

Massachusetts State AGbd_3e4f8f95662212912020-11-06Verified
Indiana State AGbd_6b15d7ec01c955152020-11-11 · +5dVerified

Name: The Hewitt School
norm: the hewitt school
Domain: hewittschool.org

Name: The Hewitt School
norm: the hewitt school
Domain: hewittschool.org
Industry: Educationllm

Discovered: May 1, 2020
Breach occurred: Feb 7, 2020 – May 20, 2020
Undetected for: 84 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 13, 2020
Affected individuals: 1state-resident count only
Data types: Government IDIdentity (basic)
Data elements: Social Security numberDate of birth
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1119 Automated CollectionT1074 Data Staged
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General Consumer Protection Bureau
Third party: via Blackbaud, Inc.service provider
Initial access: external_remote_services

During the incident: Blackbaud worked with experts and law enforcement to successfully prevent the cybercriminal from blocking its system access and fully encrypting files, and ultimately expelled the cybercriminal from its system.
Blackbaud paid the cybercriminal’s demands and received confirmation that the copy had been destroyed.
Blackbaud is offering them 24 months of credit monitoring services free of charge.
Hewitt will continue to work with Blackbaud to confirm they have taken the steps they have promised and identify any further steps that might be taken to prevent a recurrence.
Changes made: Blackbaud advised us that it will be making changes to protect data from any subsequent incidents.
Blackbaud advised us that they continue to monitor the dark web and have found no evidence of the compromised information being available.
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 27 weeks(189 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 ↗

Massachusetts State AGNov 6 · first

New Hampshire State AGNov 6 · first · this page

Indiana State AG+5d

Pattern: first filing Nov 6 (MA), last Nov 11 (IN) — a 5-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/hewitt-school-20201106.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 6, 2020
Raw hash: 0bf74affceaac25156d31b8ead5f756988817911c075f6e97616db250e95edab

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityThe Hewitt School

Victim entityThe Hewitt School

Incidentdiscovered May 1, 2020

Stated responseBlackbaud worked with experts and law enforcement to successfully prevent the cybercriminal from blocking its system access and fully encrypting files, and ultimately expelled the cybercriminal from its system.

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov