ResourcesTexas Breach Tracker › McAllen Independent School District
Municipal Ransomware Remediated

McAllen Independent School District
Breach Analysis

McAllen ISD suffered a ransomware attack in March 2024 disrupting operations and exposing records for approximately 85,000 students, staff, and families.

Incident Date
2024-03-22
Records Exposed
85,000
Attack Type
Ransomware
Threat Actor
Unconfirmed

How they got in

Initial access via phishing targeting a district IT administrator. Credential compromise led to domain admin escalation and encryption of student information systems and financial records.

Sentinel / Fortress / Command coverage

Sentinel Phishing email with malicious link detected at email gateway — sandbox detonation prevents credential harvesting
Sentinel Domain admin privilege escalation alert: non-routine account gaining elevated rights triggers immediate SOC review
Fortress MFA enforcement on all admin accounts eliminates credential-based domain compromise
Command Annual FERPA and state student data protection compliance review identifies student data exposure risk

Sentinel ($89/ep/mo) — 24/7 SOC + SIEM. Fortress ($109/ep/mo) — Sentinel + EDR management + vulnerability management. Command ($129/ep/mo) — Fortress + vCISO + compliance mapping + IR plan. See full tier comparison →

Regulatory exposure

Regime Standard / Citation Gap Identified
FERPA 34 CFR Part 99 Student education record protection — unauthorized disclosure of records for 85,000 students
TDPA Tex. B&C Code §521.053 Breach notification obligations for TX students and families

5-point hardening list

CoreRecon cites verifiable public sources only. No speculation on unverified attribution is published. Threat actor attribution appears only where publicly confirmed by law enforcement or the organization.

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