ctf games

overthewire
a good hacking ctf for beginners
hackthebox
site with many ctf challenges to play
wechall
a ctf site that links to many ctf sites
xss-game
a game that focuses on cross-site scripting(xss)
prompt riddle
a site where you solve riddles to get to the next level
cmdchallenge
a challenge site that teaches you the command line
tryhackme
a challenge site that is beginner freindly
pwncollege
a challenge site that is beginner freindly

offline games

vulrnhub
a site with a bunch of vms to practice on
metaspoitable
a vm to practice metasploit with
buggy web app
a buggy web app to practice web security
damn vulrnable web app
a web app to practice web security
hackmyvm
a site with many vms to practice on and other stuff

other links

appsec ezine
a github ezine with many cool hacking stuff
hackaday
website with cool hardware hacking projects
phrack
one of the oldest hacker ezines
2600
a ezine about hacking and tech
paged out
a ezine about hacking and tech

online scanners

shodan
a search engine for iot devices
zoomeye
a scanner the searches the internet for iot devices
censys
a scanner for the internet and iot devices