[sugar]

I want to learn as much as i can about this stuff, how to get dbs who to sell them too new exploits etc. I can solve easy-medium rooms on tryhackme, but none of these exploits work on real targets. what else can i do?

[Vetrified]

give away my Udemy or Coursera accounts

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[CyberNinja]

While TryHackMe is great for practice, you should also try in real environments. You can do this through bug bounty programs, CTFs or open source security projects.
If you want to sell databases or exploits, I think you should first build a good reputation in the community, share your knowledge, help others and demonstrate your skills.

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[sugar]

how do people get databases to sell? what are the prices usually