Hacking techniques

Mostly Common Methods Used 4 hacking Are:-
1.Denial of Service
2.Distributed DDos
3.Sniffing
4.Spoofing
5.Sql Injection
6.Viruses & Worms
7.Backdoors
8.TrojenHorses
9.Keyloggers
10.BruteForcing
11.Security/Secret Questions
12.SocialEngineering
13.Phishing
14.FakeMessengers
15.CookieStealers
16.DNS Poisoning or Pharming
17.Whaling
18.GHDB
19. Client Side Protocol hacking
20. CSS(cross side scripting)
To know more about these types comment below.