Dubbed Lithium, the highly anticipated Parrot Security OS 3.0 release arrived on June 21, 2016, and it’s a massive update to previous versions of the Debian-based cloud-friendly operating system powered by GNU/Linux and Open Source technologies. Parrot Security OS 3.0 has been designed with penetration testing and security auditing in mind. It’s an OS built for security professionals to use in ethical hacking, cloud pentesting, reverse engineering, cryptography, and computer forensic operations.