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

17 filings

Confidence

71%

Full breach record for PowerSchool →3 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

7 wks faster

This filing is one of 17 filings 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 16 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 16 — 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