Parrot Security OS, also known as Parrot OS, is a free and open-source operating system that focuses on cybersecurity and digital forensics. Developed by a team of experts led by Lorenzo Santina, Parrot OS was first released in 2013. The operating system is built on top of the Debian GNU/Linux distribution, which provides a stable and secure foundation. Parrot OS is designed to be a complete platform for cybersecurity professionals, offering a wide range of tools and features that cater to various security-related tasks, such as penetration testing, vulnerability assessment, digital forensics, and incident response.