MalwareOtherRansomwareData MishandlingSupply Chain (3P Vendor)Ransom DemandedRansom PaidData ExfiltratedCustomer Data InvolvedMulti-Stage ChainIdentity (basic)Government IDFinancial accountMediumActive

Children's Home Society of Washington

bd_4b9dd9446a4b8ce8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 5, 2020

Filed

Sep 4, 2020

To disclose

4 weeks

Affected

564state residents only

Linked

2 filings

Confidence

70%

Full breach record for Children's Home Society of Washington →2 incidents on file

Children's Home Society of Washington (CHSW) notified the Washington AG of a third-party breach involving Blackbaud. A threat actor exfiltrated data from Blackbaud's systems between Feb 7 and May 20, 2020, and attempted a ransomware attack on May 20. CHSW was notified by Blackbaud on July 16, 2020. Data potentially exposed includes names, DOBs, and bank account details for 564 Washington residents. CHSW paid the threat actor to destroy a backup file. Investigation ongoing.

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Washington clock✓ WA AG ≤30d4 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 180 days

discovery → filing · 4 weeks / 30 days

Feb 7, 2020

Begins

Aug 5, 2020

Discovered

Sep 4, 2020

Filed

vs. sector median

4 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Montana State AGbd_3c3e6b69886d8df02020-09-04Candidate

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

Name: Children's Home Society of Washington
norm: children s home society of washington
Industry: Otherllm

Discovered: Aug 5, 2020
Breach occurred: Feb 7, 2020 – May 20, 2020
Undetected for: 180 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 4, 2020
Affected individuals: 564state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: NameFinancial account numberDate of birth
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 100-199dexposure 100-199d
WA-stated discovery: Found after the fact
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 ChannelT1195 Supply Chain Compromise
Threat actor: ExternalFinancial
Regulator citations: Notified Washington Attorney General Consumer Protection Division
Third party: via Blackbaud
Initial access: supply_chain

During the incident: Commenced an immediate and thorough investigation with our legal team
Engaged cybersecurity professionals experienced in handling these types of incidents
Provided the affected residents with written notification of this incident
Advised the affected residents about the process for placing fraud alerts and/or security freezes on their credit files
Changes made: Blackbaud closed the vulnerability that allowed the incident
Blackbaud is enhancing their security controls
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(30 days from discovery to filing)
Compliance flags: WA AG ≤30d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Montana State AGSep 4 · first

Washington State AGSep 4 · 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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachM10288.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 4, 2020
Raw hash: b3f12e05af71ea28f55d6d7f8f9905c3fc6fedc3797752ff8754cf69755f9ad9

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMCDONALD HOPKINS LLC

Victim entityChildren's Home Society of Washington

Incidentdiscovered Aug 5, 2020

Stated responseCommenced an immediate and thorough investigation with our legal team

ComplianceWA AG ≤30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com