I'll just add to what others have already provided. - "Black Hat Go" - https://nostarch.com/blackhatgo - "Black Hat Python" - https://nostarch.com/blackh

I'll just add to what others have already provided. - "Black Hat Go" - https://nostarch.com/blackhatgo - "Black Hat Python" - https://nostarch.com/blackhatpython - "Web Security for Developers" - https://nostarch.com /websecurity - "Cracking Codes with Python" - https://nostarch.com/crackingcodes Highly recommend those NoStarch books. Of course, depends what you want to pentest, but this is good general information to get started.