Announced last month, the Raspberry Pi 4 single-board computer is the latest and most advanced Raspberry Pi SBC ever built. It ??features a powerful 1.5 GHz quad-core 64-bit ARM Cortex-A72 CPU, up to 4GB of RAM, support for up to 4K resolutions, Bluetooth 5.0, Gigabit Ethernet, 2x USB 2 and 2x USB 3 ports, 2x micro-HDMI ports, and a USB-C power supply. The??Offensive Security team was quick to build an image of their popular Kali Linux operating system for the??Raspberry Pi 4 Model B single-board computer to give security researchers and hacking enthusiasts a more affordable way to run their favorite Linux OS for ethical hacking and penetration testing tasks.