E-Commerce Technology: Security, Threats, and Intellectual Property, Slides of Fundamentals of E-Commerce

Download E-Commerce Technology: Security, Threats, and Intellectual Property and more Slides Fundamentals of E-Commerce in PDF only on Docsity! Survey of e-commerce technology Security Docsity.com Terminology • Computer security is the protection of assets from unauthorized access, use, alteration, or destruction. • There are two types of security: – Physical security including such devices as alarms, fireproof doors, security fences, vaults. – Logical security is non-physical protection. • A threat is an act or object that poses a danger to computer assets. • A countermeasure is a procedure, either physical or logical that recognizes, reduces, or eliminates a threat. Docsity.com Security terminology • Secrecy Protecting against unauthorized data disclosure, and ensuring the authenticity of the data source. Example: Use of stolen credit card numbers • Integrity Preventing unauthorized data modification. Example: Changing of an e-mail message • Necessity Preventing data delays or denials. Example: Delaying a purchase order for stock Docsity.com Security policy • Any organization concerned about protecting its e-commerce assets should have a security policy. • A security policy is a written statement describing what assets are to be protected, why they are to be protected, who is responsible for that protection, and which behaviors are acceptable and not. • The policy should address physical security, network security, access authorizations, virus protection, and disaster recovery. Docsity.com History • Early computer security measures: – Computers were kept in locked central rooms – Access was granted only to select individuals – No one could remotely access the machine • Modern systems are more complex: – Remote processing – Electronic transmission of information – Widespread use of the Internet Docsity.com