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  E-Commerce E-Commerce -In the present time, E-Commerce is an emerging concept which describes the process of buying and selling or exchanging of products, services and information through electronic transactions over the Internet. It is a modern business methodology that addresses the different drawbacks of traditional commerce. So, E-Commerce refers to the paperless exchange of business information using different information systems.   Technology used in E-Commerce E-commerce is driven by Internet Technology. It’s a modern business concept and uses many different technologies. Some of them include: a)     E-mail b)     Fax c)     Online catalogues and shopping carts d)     Electronic Data Interchange (EDI) and Online Payment Gateway e)     Online Security Tools   and different Web services   Traditional Commerce vs. E-Commerce E-commerce is completely worked in ...

  COMPUTER SECURITY Explain the term computer security. Computer Security refers to protecting computer system (hardware and software) and its resources such as information (data and programs), against unwanted access, damage, modification or destruction. What are computer security goals? Computer Security Goals: a)                Confidentiality b)                Integrity c)                Availability What are computer security threats? Computer security threats a)           Phishing : Phishing is the fake attempt to obtain sensitive information such as usernames, passwords and credit card details by disguising oneself as a trustworthy entity in an electronic communication. b)             Rootkit : A ...