Prysm has been a security software publisher for over 25 years! We are the French leader in PSIM software. Our AppVision™ solution secures over 2,000 installations worldwide. We work hand-in-hand with our integrator partners, distributors and technology partners to offer you the solution best suited to your project. Every day, we innovate to offer you the most in-demand features in the field. Our ambition: to provide simplified, fluid and cyber-secure security management.