What is the meaning of ethical hacking?

India
October 16, 2008 4:02am CST
I have heard about the term ethical hacking many a time but i do not know the exact meaning of the term ethical hacking.Professionally i guess that it is retrieving a program that is lost due to some data corruption and regaining the lost data along with correcting errors in the system.But please tell me what does this term exactly mean.
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1 response
@egdcltd (6494)
16 Oct 08
An ethical hacker focuses on securing web sites, IT systems and the like, by seeing how they can be breached, then fixing the vulnerabilities.
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