HackingEducationProfessional ServicesEducationVulnerability ExploitSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)MinorEducationHighContained

Federal Way School District

bd_84eb6e109eee9860 · schema v1 · pii pii-v1

Severity

High

Discovered

May 31, 2023

Filed

Feb 26, 2024

To disclose

39 weeks

Affected

35,274state residents only

Confidence

70%

Federal Way School District notified of MOVEit Transfer vulnerability exploitation by third-party vendor Progress Software. Unauthorized access occurred May 27-31, 2023. 35,274 Washington students affected; data included names, DOB, IDs, and education records. Kirkland & Ellis LLP reported on behalf of the District.

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Washington clock✗ WA AG >90d39 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 · 4 days

discovery → filing · 39 weeks / 271 days

May 27, 2023

Begins

May 31, 2023

Discovered

Feb 26, 2024

Filed

vs. sector median

+30 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed35,274 affectedView incident

Name: KIRKLAND & ELLIS LLP
norm: kirkland ellis
Domain: kirkland.com

Name: Federal Way School District
norm: federal way school district
Industry: EducationllmProfessional Servicesllm

Discovered: May 31, 2023
Breach occurred: May 27, 2023 – May 31, 2023
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 26, 2024
Affected individuals: 35,274state-resident count only
Data types: Identity (basic)MinorEducation
Data elements: NameDate of birthStudent ID number
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Reported the issue to law enforcement
Third party: via Progress Software
Initial access: exploit_public_facing

During the incident: Initiated an investigation
Took steps to secure its MOVEit repository
Worked with leading cybersecurity experts to determine the nature and scope of the issue
Reported the issue to law enforcement
Put in place additional monitoring measures to further protect its systems
Changes made: Offered 12 months of identity monitoring services at no cost to affected individuals
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 39 weeks(271 days from discovery to filing)
Compliance flags: WA AG >90d
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.

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/BreachA28066.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 26, 2024
Raw hash: 0d3cd7b92ac7ec8152955d1929b425e3b1bd8ee3eefc2b91fafeb248a13d56b1

Reporting entityKIRKLAND & ELLIS LLP

Victim entityFederal Way School District

Incidentdiscovered May 31, 2023

Stated responseInitiated an investigation

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com