The Internet is, quite literally, a network of networks. It is comprised of ten thousands of interconnected networks spanning the globe. The computers that form the Internet range from huge mainframes in research establishments to modest PCs in people's homes and offices. Despite the recent hype, the Internet is not a new phenomenon. Its roots lie in a collection of computers that were linked together in the 1970s to form the US Department of Defense's communications systems. Fearing the consequences of nuclear attack, there was no central computer holding vast amounts of data, rather the information was dispersed across thousands of machines. A set of rules, of protocols, known as TCP/IP was developed to allow disparate devices to work together. The original network has long since been upgraded and expanded and TCP/IP is now a "de facto" standard.

Millions of people worldwide are using the Internet to share information, make new associations and communicate. Individuals and businesses, from students and journalists, to consultants, programmers and corporate giants are all harnessing the power of the Internet. For many businesses the Internet is becoming inte

„h One in six (16%) felt irritable, tense, depressed or restless if they were barred from using the Internet.

But how serious is hacking? In 1989, the Computer Emergency Response Team, a nonprofit organization that monitors security issues throughout America from its base at the Carnegie Mellon University in Pittsburgh reported 132 computer intrusions. Last year they recorded 2341! And in recent months, a few celebrated cases have shed a new light on the hacker's netherworldly activities. One notorious hacker is American Kevin Mitnick, a 31-year-old computer junkie arrested by the FBI in February for allegedly pilfering more than $1 million worth of data and 20.000 credit-card numbers through the Internet. Still, the new wave of network hacking is presenting fresh problems for companies, universities and law-enforcement officials in every industrial country. In July, John Deutch, head of the CIA, told Congress that he ranked information warfare as the second most serious threat to the national security, just below weapons of mass destruction in terrorist hands. The Internet suffers around a million successful penetrations every year while the Pentagon headquarters of the US military has 250.000 attempts to hack into computers.

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Approximate Word count = 6301
Approximate Pages = 25 (250 words per page double spaced)