Hackers are categorized into the following classes:

* Black Hat Hackers (Crackers): These are persons who are computer specialists and use their hacking skills to carry out malicious attacks on information systems.
* Gray Hat Hackers: These are persons who sometimes do not break laws and help to defend a network, but sometimes act as Black Hat Hackers.
* White Hat Hackers (Ethical Hackers): These are persons who have excellent computer skills and use their knowledge to secure information systems.
* Security Providing Organizations:
Some organizations and communities also provide security to information systems.

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Hacking is an unauthorized access of computers and networks. It is the act of piercing computer systems gaining knowledge of the systems and the learning of how it works. The

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The main Internet provider for Myanmar, the southeast Asian nation formerly known as Burma, has been under severe denial of service attack since at least October 25, according to the

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