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Confidence HighJan 31, 2025rcsdk12.org

Rochester City School District Student Data Exposed in PowerSchool Breach

PatternExternal actor · Hacking · Confidentiality impact

Approximately 134,000 Rochester City School District student records were leaked due to a cybersecurity attack on the PowerSchool software platform. Exposed data includes names, dates of birth, home addresses, email addresses, phone numbers, emergency contacts, and potentially medical information and staff details. The district was notified on January 31, 2025.

Signal date
Jan 31, 2025
Updated
Jul 1, 2026
Confidence
High
Sources
1 source
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Rcsdk12

Sector
Information
Signals
1 linked

Signal context

First seen: Jan 31, 2025

Last updated: Jul 1, 2026

Status: Public signal

Key points

  • 134,000 student records leaked.
  • Data exposed: names, dates of birth, home addresses, email, phone numbers, emergency contacts, medical info, staff names/emails.
  • Impacted by the broader PowerSchool data breach.

Signal analysis

Beta

This analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.

Affected organization
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Rcsdk12

Sector: Information

Likely country: Location not provided

Estimated
Threat source
Hacking activity

The feed marks multiple actor roles. Treat this as a review signal rather than a final attribution.

  • Source type: outside the affected organization
  • Source type: possible insider or internal misuse
Business impact
Potential data exposure

Impact area: Confidentiality

Likely asset: User or customer data

Trend context
66 signals with similar action pattern
  • 22 signals in the same sector
  • 88 signals with the same likely impact area
  • 1 signal linked to this organization/domain
Mentioned entities
Rcsdk12Data DisclosureRochester City School District StudentRochester City School DistrictPowerSchoolExposedImpacted

External sources

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Chubu Telecommunications C., Inc., a Japanese internet service provider, was impacted by a data breach originating from an email system provided by KDDI Corporation. Threat actors gained unauthorized access to this shared system by exploiting a vulnerability in third-party software. This led to the potential exposure of up to 14.2 million email addresses and passwords across all affected ISPs. Chubu Telecommunications customers' email addresses and passwords may have been compromised.

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Same sectorSame action patternSame impact area

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KDDI Web Communications, a subsidiary of KDDI, was impacted by the data breach in KDDI Corporation's email system, disclosed on June 28, 2026. The incident, caused by a third-party software vulnerability, led to the potential exposure of up to 14.2 million email addresses and passwords belonging to customers across six Japanese ISPs, including KDDI Web Communications.