Challenge list
General SkillsLevel 1★☆☆☆☆01. First Steps - Binary and Hexadecimal
In the security world, binary and hexadecimal are commonly used. In this challenge, convert hexadecimal to ASCII…
Network SecurityLevel 1★☆☆☆☆08. Network Basics - Learn Port Numbers
Networks use port numbers to identify services. For example, a web server (HTTP) usually uses port 80, and encrypted…
General SkillsLevel 1★☆☆☆☆10. Security Basics - Ethics and Rules
To become a white hat hacker, knowledge of ethics and laws is just as important as technical skills. In this…