The word "ethical" is defined as "relating to morals, especially as concerning human conduct" and "hacking" can be explained as "gaining illegal entry into a computer system, with the intent to alter, steal, or destroy data." These may sound like a contradiction in terms, however, many organizations now has to adopt this method to find out how secure is their networks are.
In the past decade, computer and networking technology has seen enormous growth, which bring many good things e.g.: electronic commerce, easy access to vast stores of reference material, collaborative computing, e-mail, and etc. However, this growth has not come without a price, a new methodology in crime has been created: criminal hackers.
The term "hacker "could have originated at M.I.T. as students' jargon for classmates who labored nights in the computer lab. In the beginning, hackers are not so dangerous at all. They just stole computer time from the university.
However, in the early 1980s, hackers became a group of criminals who steal information from other peoples' computer.
Basically, everyone who has a site on the net are afraid that some criminal hacker will break into their Web server and conduct some unethical activities e.g. deliberately damage the files, replace their logo with pornography, read their e-mail, steal their credit card number from an on-line shopping site, or implant software that will secretly transmit their organization's secrets to the open Internet. With these concerns and others, the ethical hacker or the ethical hacking services can help.
Who is ethical hacker? Logophilia (http://www.logophilia.com/WordSpy/ethicalhacker.asp) defined ethical hacker as "A computer hacker who attempts to infiltrate a secure computer system in an effort to learn the system's weaknesses so that they can be repaired." they are also called or known as "samurai" or perhaps, "white hat...