HACKER'S SITES

https://news.ycombinator.com/
http://breakthesecurity.cysecurity.org/2010/12/hacking-website-using-sql-injection-step-by-step-guide.html
https://www.darknet.org.uk/
https://www.codechef.com/getting-started
https://www.hackerrank.com/dashboard
http://trythis0ne.com/index.php?page=home
https://ctftime.org/event/list/upcoming
https://enciphers.com/
https://www.enigmagroup.org/
https://codingsec.net/
https://addictivehackers.blogspot.com/p/blog-page_28.html
https://www.youtube.com/watch?v=3fwKlU9AwSY&list=PLfVsf4Bjg79Cu5MYkyJ-u4SyQmMhFeC1C
http://codeforces.com/
https://www.youtube.com/watch?v=92S4zgXN17o&list=PL2_aWCzGMAwI3W_JlcBbtYTwiQSsOTa6P
https://www.hackerearth.com/challenges/
https://hackr.io/
https://www.virustotal.com/#/home/upload
https://www.programiz.com/
https://hackaday.com/
http://hackingdojo.com/lab/
https://www.pentestpractice.com/