Cybercrime is a form of crime that takes advantage of flaws in complex information systems and information infrastructures such as the Internet. The rapid expansion of E-Commerce and the widespread reliance on on-line services for financial transactions and social interactions have created unprecedented opportunities for many types of criminal activity, especially fraud. With the promises of low costs and high returns, cybercrime is rapidly becoming the world’s most costly from of crime. Deterring criminal activity in the digital age requires more secure systems, user education, new legislation, new enforcement methods, and international agreements that address the transnational nature of cybercrime.