SNL Stacked Black Blue Logo

Reimagining security through visualization

A leader in global security for more than 75 years, Sandia National Laboratories offers modeling and simulation (mod/sim) tools that help improve physical security through innovative physical protection system design assessment, operation, and training.

Recent Software Updates

PathTrace Logo

Version:4.0.0

Last Release:Apr 28, 2026

PathTrace is a quantitative analysis modeling and simulation tool that uses established algorithms to identify system vulnerabilities.

Scribe3D Logo

Version:4.0.0

Last Release:Apr 28, 2026

Scribe3D is a physical protection system development and analysis tool that allows users to play out attack and defense scenarios using a variety of high-fidelity facilities, props, personnel, weapons, and vehicles.