The 2019 NCL competition featured more than 10,000 players, which includes two major seasons -- spring and fall. Through the NCL, players not only engage in capture-the-flag and puzzle-based challenges, but also are exposed to real-world scenarios with content that includes Open Source Intelligence, Enumeration and Exploitation, Traffic Analysis, Wireless Security, Cryptography, Scanning, Log Analysis, Password Cracking and Web Application Security. Some scenarios players may encounter include breaking the encryption on a password-protected PDF to extract sensitive information or using a publicly disclosed vulnerability to exploit software and obtain administrator privileges.