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.

Explore More

XP Registry tricks

Display Your Quick Launch ToolbarTip: Is your Quick Launch toolbar missing from the taskbar?To display your familiar Quick Launch toolbar:Right-click an empty area on the taskbar, click Toolbars, and then

XSS Injection Vulnerabilities

Cross Site Scripting Overview Cross Site Scripting vulnerabilities are sometimes referred to XSS or CSS vulnerabilities. Typically XSS is preferred over the use of CSS. CSS typically refers to the

How does the form-based authentication scheme work?

The form-based authentication scheme works in the following manner: * A client generates a request for a protected resource (e.g. a transaction details page). * The Internet Information Server (IIS)