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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Twitter accounts hacked : Barack Obama, Britney etc on the list

According to twitter, a micro blogging site, 33 twitter accounts were compromised and false and inappropriate messages were posted online. Hacked accounts include prominent twitter sources like President-elect Barack Obama,

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What are the security holes in the Basic Authentication scheme?

The Basic Authentication scheme uses the username and password and encrypts the password using base64 encoding. In spite of this, there are still many security holes in the Basic Authentication

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Hacker Must Be Knowing

Things Which A Wannabe Hacker Must Be Knowing! Open Source Software Disadvantages Open Source software can be downloaded and analysed manually and locally on the attackers’ host. If it is

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