Question

hi friends I want to learn ethiical hacking suggest sites for that

Answer 1

enigmagroup.org
and go through some professional courses of ethical hacking

Answer 2

Is it free

Answer 3

yes the site is free and open

Answer 4

Thanks

Answer 5

well the internet security field is really vast so i cannot just recommend a single book because there are many-many books available but i can recommend you something that will be good for you , there is an international course called CEH , so i can give you its studying slides , these are really helpful and are on many of the topics.

you have to download the slides from torrentz
just search for - ceh slides
and you will get the reading material for free.These slides cover some of the most important topics in real depth and they will be useful to you.