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' Some highly secure workplaces may even use biological 'markings' like fingerprint readers Introduction, 2011, IBM. Accountability means that the source of the information is not anonymous and can be traced. A user should not be able to falsify his or her UL address or email address, given the requirements of the system. "Non repudiation is a property achieved through cryptographic methods which prevents an individual or entity from denying having performed a particular action related to data. Through the use of security related mechanisms, producers and…… Security System AnalysisPaypalThe information era has totally revolutionized our society with its sphere of influence touching every facet of our lives. There is a paradigm shift in our business methodology and ecommerce has evolved as an integral and indispensable aspect of any business venture that wishes to capitalize on the global market that technology promises. Today more and more companies are recognizing the vast potential and the unprecedented customer base of ecommerce which is definitely poised to become the mainstay business medium of the future. With ecommerce exploding like anything there will be more and more transfer of funds online. It stands out clearly that the anonymous nature of the web medium poses issues pertaining to the credibility and authenticity and thus compromises on the flexibility and the comfort of the web. The success of fast online fund transfer very much hinges on implementing effective security measures to…… Security SystemsHow would you consider what is to be local security vs. enterprise wide security.