Meets the security requirements of PSD PP v4.0. The ATEN PSD PP v4.0 Secure KVM Switch CS1142DP4C has been specifically designed for the stringent security requirements of defense and intelligence facilities. The ATEN PSD PP v4.0 Secure KVM Switch CS1142DP4C complies with the PSD PP v4.0 standard (Protection Profile for Peripheral Sharing Device, Version 4.0), which has been certified by the National Information Assurance Partnership (NIAP). The ATEN PSD PP v4.0 Secure KVM Switch CS1142DP4C provides isolation between computer sources and peripherals, allowing the sharing of a keyboard, mouse, monitor, speaker set, and a Common Access Card (CAC) reader among connected computers of different security classifications. Compliance with PSD PP v4.0 ensures that the sharing of peripherals offers the highest level of security for user data when the port focus is switched, thereby preventing unauthorized data flows or leaks between the connected sources.