Hacking means finding out weaknesses in an established system and exploiting them. A computer hacker is a person who finds out weaknesses in the computer and exploits it.
There are basically three types of hackers: -
- White hat hacker: -
A white hat hacker breaks security for non-malicious reasons, for instance testing their own security system.The term "white hat" in Internet slang refers to an ethical hacker. This classification also includes individuals who perform penetration tests and vulnerability assessments within a contractual agreement. Often, this type of 'white hat' hacker is called an ethical hacker.
- Black hat hacker: -
Black Hat Hackers break into secure networks to destroy data or make the network unusable for those who are authorized to use the network. The way Black Hat Hackers choose the networks that they are going to break into is by a process that can be broken down into two parts. This is called the pre-hacking stage.
Part 1 Targeting: -
Targeting is when the hacker determines what network to break into. The target may be of particular interest to the hacker, or the hacker may "Port Scan" a network to determine if it is vulnerable to attacks. A port is defined as "an opening through which the computer receives data via the network". Open ports will allow a hacker to access the system.
Part 2 Research and Information Gathering
It is in this stage that the hacker will visit or contact the target in some way in hopes of finding out vital information that will help them access the system.
- Grey hat hacker: -
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