This Paper Presents Securing the E-Worldthrough Cloud Computing. Cloud Computing Has Rapidly Become One of Themost Famous Buzzwords In the It World Due to Its Revolutionary Model Ofcomputing As a Usefulness. It Promises Greater Than Before Suppleness,Scalability, and Reliability, While Talented Decreased Operational and Hold Upcosts. Cloud Computing Is a Revolutionary Concept That Has Brought a Paradigmshift In the It World. This Has Made It Likely to Manage and Run Businesseswith No Even Setting Up an It Infrastructure. It Offers Multifold Benefits Tothe Users Moving to a Cloud, While Posing Unknown Security and Privacy Issues.User Verification Is One Such on the Increase Anxiety and Is Greatly Needed Inorder to Make Sure Privacy and Security In a Cloud Computing Environment. Thepaper Also Discusses the Security at Different Levels Viz. Network, Applicationand Virtualization, In a Cloud Computing Surroundings. a Security Frameworkbased on One-Time Pass Key Mechanism Has Been Proposed. the Individuality Ofthe Future Security Protocol Lies In the Fact, That It Provides Security Toboth the Service Providers As Well the Users In a Highly Conflicting Cloudenvironment