BlackDoor GIG by Engage Black is a Gigabit Ethernet encryptor designed for securing packet-based networks. It provides Layer 2/3/VLAN/MPLS encryption using AES-based algorithms across multiple OSI network layers. BlackDoor GIG offers instant security upgrades and network invisibility when installed at network interfaces. It allows enterprises to add AES security to Ethernet packet interfaces without requiring upgrades or reconfiguration of existing network hardware. BlackDoor GIG supports both point-to-point and point-to-multi-point configurations at Gigabit access speeds.