Using the word Cybersecurity, here is a list of legal ways to make money in cybersecurity

Create an app that utilizes a particular framework to determine if a network is secure

Yearn for knowledge and never stop learning

Build a navigable interactive web solution for the different frameworks

Experience, Experience, Experience

Run bug bounties

Sell scripts that automate cybersecurity tasks

Evolve with the times

Consult for small business

Utilize Capture the Flag events

Rise above laziness

Invest into education of all kinds

Teach in spare time

Yesterday was the only easy day