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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How Can You Protect Yourself from Google Hacking?

The first step for protecting yourself from something is knowing how that something works. In the case of Google hacking, you will have to learn how it can be used

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Every virus cannot be detected by a signature-based antivirus largely for the following reasons: * If an attacker has changed the signature of a virus, any signature-based antivirus will not