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Medium

Alamo Heights ISD Reports Data Breach Following Ransomware Attack

Alamo Heights Independent School District (ISD) reported a data breach impacting over 26,000 people, disclosed to the Texas Attorney General's office on June 25, 2026 (published June 26, 2026 UTC).

Key points

  • Ransomware attack by Qilin group.
  • Over 26,000 individuals affected.
  • Exposed names, Social Security numbers, driver's license numbers, bank information, and medical information.

Connected intelligence

Signal brief

Follow the organization, likely method and potential impact to explore connected Shadow Tier intelligence.

02

Likely method

Ransomware

Threat source not confirmed

03

Potential impact

Potential operational disruption

Confidentiality, Availability

Published
Jun 26, 2026
Updated
Jun 26, 2026
Confidence
Medium
Evidence
1 source

Structured assessment

Signal analysis

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.

Threat source

Threat source not confirmed

Watch ransomware, endpoint compromise and business interruption exposure.

Business impact

Potential operational disruption
Impact area
Confidentiality, Availability
Likely asset
User or customer data

Mentioned entities

AhisdData DisclosureHeights Independent School DistrictISDTexas Attorney GeneralUTCQilinRansomwareOverExposed

Quick context

Questions about this signal

What happened in this signal?

Alamo Heights Independent School District (ISD) reported a data breach impacting over 26,000 people, disclosed to the Texas Attorney General's office on June 25, 2026 (published June 26, 2026 UTC). The breach was linked to a ransomware attack by the Qilin group, which occurred on April 9, 2026. The compromised information included names, Social Security numbers, driver's license numbers, and bank and medical information.

When was this signal reported?

Shadow Tier lists Jun 26, 2026 as the signal date.

Which organization is connected to this signal?

Ahisd is the organization connected to this public signal.

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Which attack pattern is relevant?

This signal is connected to current ransomware incidents based on its reported incident context.

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