IOGEAR 8-Port USB Miniview Ultra+ KVM Switch with Cables, GCS1758KIT Level 3 Validated Includes level 1 and 2 requirements such as role-based authentication and physical tamper-evidence resistance Rugged metal design AES 256-bit Hardware Encryption - A hardware-dedicated security processor that provides security through on-board AES 256-bit encryption Password Authentication - Establish an authentic password to create a unique identity on the secure portable device Biometric Authentication - Fingerprint identification is available to increase your level of security access to the secure portable device