Tyler ISD presents cybersecurity update; district reports 3.2/5 assessment and no breaches this year

2964995 · April 11, 2025

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Summary

District IT leaders reported a cybersecurity assessment score improvement to 3.2 out of 5, blocked tens of millions of spam/phishing emails, completed a secondary data center, and plan investments in real-time threat detection and alerting systems.

Tyler ISD IT leaders told the Board of Trustees that the district’s cybersecurity posture improved this year, with the most recent external assessment scoring the district at 3.2 out of 5, up from 2.8 the prior year.

Keesa Sunde, Tyler ISD’s network security engineer, who the administration identified as the district’s cybersecurity coordinator, told trustees the district “scored a 3.2 out of 5,” and that the vendor who performs assessments across about 250 districts reported Tyler ISD is “one of only 2 or 3 districts” they work with that scored a 3.0 or above. Sunde and the superintendent described the score as a balance between access to educational resources and security.

IT staff reported the district blocked more than 48,000,000 spam and phishing emails in the past year, accounting for roughly 80% of incoming mail, and that most malicious messages are blocked before reaching district inboxes. The district also said it completed a secondary data center that is fully operational and contributed to greater than 99% uptime for the past year.

On training and tabletop exercises, the district said it deploys simulated phishing campaigns and follow-up training for staff who click test links. The administration said there were no reported data breaches during the year covered by the update.

Planned investments include real-time threat-detection tools, expanded cyber drills, macro network segmentation to reduce lateral access, and continued enhancement of the InformaCast alerting system. InformaCast integration sends incident alerts across classroom flat-panel displays, phones and the district alert app, the superintendent said, to provide both visual and audible notification during emergencies.

Why it matters: school networks hold student and employee data and support classroom instruction; district leaders said continued investment and staff training are necessary to avoid phishing and ransomware attacks that target K–12 systems nationwide.

Trustees asked questions about device counts and backup-generator testing; IT estimated about 1,400–1,500 interactive flat panels (IFPs) plus a roughly 2,200–2,500 range for district computer screens and said generators and data-center failover are tested regularly.