Have you heard of app called Termux? Its available on Google play store. From android phone learning termux one can be a sharp hacker. Its something like a very smaller version of Kali Linux. just Kali, ond can install metasploit on Termux which is a powerful hacking tool. Also usually Httpcanary app is used as right hand of Termux to get hidden website request info like session jacking or token to access login. On YouTube you can see what damage Termux can do. From wallet hacking, faucet hacking, casino hacking and beyond right from a small phone only! Do you think Termux can be a giant threat for websites?