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Hacking:
A hacker is a person who finds and exploits the weakness in computer systems and/ or networks to gain access. Hackers are usually skilled computer programmers with knowledge of computer security.

It is also important to know some of the hacking techniques that are commonly used to get your personal information in an unauthorized way

There types:
1. Keylogger
2. Denial of service (DoS/DDoS)
3. Waterhole attacks
4. Fake WAP
5. Eaves dropping (Passive attacks)
6. Phishing
7. Virus, Trojan...
8. Click Jacking attacks.

History:

Telephone hacking
     Use telephone freely
     Its called phreaking
Computer virus
     Destroy many computer
Network hacking
     Hack the important server remotely and destory/ modify/ disclose the information.

Types of hacker:
  People categorize hacker into many different ways.
  But everyone agrees that there is 3 basic types of hacker.

1. White Hat Hacker
     *professional term for ethical hacker.
2. Black Hat Hacker
     *professional term for malicious hacker.
3. Grey Hat Hacker
      *combination of both hack to learn.
        Self-proclaimed ethical hackers.

Types of Hackers:

1. Script kiddies
     Are beginners and possess basic skills.
2. Black Hat
      Break into computer system or use them without authorization.
3. Gray Hat
      Walk the line between legal and illegal actions.
4. White Hat
     Are employed to break security to ecpose vulnerability.
5. Suicide Hackers
    Do not care if they get caught; goals include political, terrorist or other aims.

So these all are short note of hackers and coming up article's i explain full details about the hackers.
   
                             Thank you
@ Carefully use your systems and mobiles.