A practical OT cybersecurity methodology built to identify risk, strengthen critical systems, and sustain operational resilience.
CASTLE™ is FortressGuard's proprietary methodology for assessing and strengthening operational technology environments. It provides a repeatable path from understanding what you have and where risk exists to strengthening defenses and sustaining resilience over time.
Know what you're protecting.
Understand what puts it at risk.
Control where risk can move.
Strengthen critical defenses.
Improve detection and readiness.
Sustain security and resilience.