June 22, 2026: Alamo Heights Independent School District reported to the Texas Attorney General that 26,629 Texans were affected by a data breach tied to the March 2026 ransomware incident that disrupted district technology systems.
What was exposed
Per the Texas AG breach portal and TPR reporting, affected information includes:
- Names and Social Security numbers
- Driver's license numbers
- Financial information
- Medical information
Timeline
March 2026: ransomware causes multiday outage affecting Internet, Wi-Fi, and Gmail. District confirms ransomware, engages forensics, notifies FBI, and later restores systems. June 22, 2026: AG entry published. June 25, 2026: security experts advise credit freezes and monitoring for ~26,000 parents, students, and staff.
Action items
- Freeze credit with Equifax, Experian, and TransUnion if you received notice.
- Use district-offered monitoring if provided in your letter.
- Watch for phishing citing real student or employee details.
Canonical record: Alamo Heights ISD 2026 on BreachHistory.