HackingTechnologyEducationInformationVulnerability ExploitCapture Stored DataData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedHealth (basic)Identity (basic)Government IDPHICriticalContained

PowerSchool

bd_c42643eb0eff8839 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Dec 28, 2024

Filed

Jan 27, 2025

To disclose

4 weeks

Affected

314,107state residents only

Linked

16 filings

Confidence

71%

Full breach record for PowerSchool →4 incidents on file

PowerSchool Group LLC reports a cybersecurity incident where personal information of Washington residents was exfiltrated from its cloud environment via a customer support portal. The incident occurred between Dec 19-28, 2024, and was discovered on Dec 28, 2024. Data types included names, DOBs, SSNs, and medical alerts. 314,107 Washington residents were affected. PowerSchool engaged forensic experts and offered credit monitoring.

J jump to incidentP pin to compareR raw source

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 · 9 days

discovery → filing · 4 weeks / 30 days

Dec 19, 2024

Begins

Dec 28, 2024

Discovered

Jan 27, 2025

Filed

vs. sector median

14 wks faster

This filing is one of 16 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Montana State AGbd_14ac2c628ad65a742025-01-27Candidate
Iowa State AGbd_2390e896c65d5b5f2025-01-27Verified
Maine State AGbd_438ff508f653f09d2025-01-27Verified
Vermont State AGbd_44f09dcd18ee4d0b2025-01-27Verified

Show 6 more filings ↓up to 2d gap

Rhode Island State AGbd_08a3eff3d08020212025-01-28 · +1dVerified
Rhode Island State AGbd_4d767e3e82562c8a2025-01-28 · +1dVerified
Massachusetts State AGbd_c4d3f9a3c90f6a942025-01-28 · +1dVerified
Indiana State AGbd_0eb42dfe74b34b8f2025-01-29 · +2dVerified
Nebraska State AGbd_299c4d0f821683532025-01-29 · +2dVerified
Delaware State AGbd_b45dd6445b4bef1a2025-01-29 · +2dVerified

Showing first 10 of 15 linked disclosures.

Name: ROPES & GRAY LLP
norm: ropes gray

Name: PowerSchool
norm: powerschool
Domain: registration.powerschool.com
Industry: TechnologyllmEducationllm

Discovered: Dec 28, 2024
Breach occurred: Dec 19, 2024 – Dec 28, 2024
Undetected for: 9 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 27, 2025
Affected individuals: 314,107state-resident count only
Data types: Identity (basic)Government IDHealth (basic)
Data elements: NameSocial Security numberDate of birthMedical information
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified Washington Attorney General
Initial access: exploit_public_facing

During the incident: Engaged cybersecurity response protocols
Mobilized senior leadership and third-party cybersecurity experts to conduct a forensic investigation
Offered two years of complimentary identity protection services
Offered two years of complimentary credit monitoring services
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 · 11 filings · 10 states

View merged incident ↗

Montana State AGJan 27 · first

Iowa State AGJan 27 · first

Maine State AGJan 27 · first

Vermont State AGJan 27 · first

Washington State AGJan 27 · first · this page

Rhode Island State AG+1d

Massachusetts State AG+1d

Indiana State AG+2d

Nebraska State AG+2d

Delaware State AG+2d

Cascade drawn from the first 10 linked disclosures of 15 — the full spread may be wider.

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/BreachA32046.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 27, 2025
Raw hash: 25b3d30ede2f3edcb5922c4fdf9d8d878bed8543283d203468eb434ceec30431

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityROPES & GRAY LLP

Victim entityPowerSchool

Incidentdiscovered Dec 28, 2024

Stated responseEngaged cybersecurity response protocols

ComplianceWA AG ≤30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com