← Insights
February 20, 2026
Why Your School District's VPN Is a Liability, Not a Security Layer
VPNs were designed for a world where the network perimeter existed. In a 1:1 environment, broad network access can increase blast radius instead of reducing risk.
ZTNAVPNIdentity
VPN was not designed for the modern district
Legacy VPN grants network reach. Modern Zero Trust grants application access. That distinction matters when staff credentials are phished or an unmanaged device is used from home.
What ZTNA changes
- Users access only the applications they are authorized to use.
- Device posture can influence access.
- Sessions can be evaluated continuously.
- Internal networks are not broadly exposed.
Migration path
Calbrate helps identify which internal applications should move first, which user groups create the most risk, and where iboss ZTNA can replace VPN without disrupting daily operations.