I'm not qualified to answer that question as I'm not a hacker myself. But apparently Hacker101 is a great resource (https://www.hackerone.com/hacker101 https://

I'm not qualified to answer that question as I'm not a hacker myself. But apparently Hacker101 is a great resource (https://www.hackerone.com/hacker101 https://www.hackerone.com/hacker101). I myself have gone through some CTF there and can recommend.