The Positive Proof Blog
Field-Tested Security Insights

Wireless door monitoring sensors detect propped or unsecured exterior doors, alerting staff in real time to protect K-12 campus entry points. Why Propped Doors Are the #1 Controllable Security Gap in Schools   Eighty percent of school shootings involve entry or activity at exterior doors. Despite this, propped doors remain the most common — and most preventable — security vulnerability on K-12 campuses. Staff prop doors for deliveries, fresh air, or convenience. Visitors wedg