Curated list of best resources and tutorials

Nominate links and guides in the comments

#Resources:

• Kali linux: Live CD with numerous hacking tools. Contains everything else in this list.
• Nmap: The best known network port scanner
• Metasploit: A tool for developing and executing exploit code against a remote target machine.
• SE Toolkit/SET: The go to social engineering toolkit. Lots of tools in it.

#Beginner:

• Nmap basic port scanning

#Intermediate:

• Cybrary: Penetration Testing and Ethical Hacking

#Advanced:

#Certifications/professional education:

##CEH

• $10 Ethical Hacker course

##A+

• $299 Comptia Certmaster resources with exam voucher
• Cybrary: Comptia A+

##Security+

• $397 Comptia Certmaster resources with exam voucher

##Virtual labs and exercises