Dependability on Technology and Riskinvolved. Defence Against the Risk Alwayslag Behind. the Relationship Between Variousconcepts of Security Frameworks Are Presented In This Paper. Presentation Ofmain Elements and Their Organization For Information System Security Isdescribed. Organizational Dealing With Concepts, Technological, Functional Andpersonnel Framework Defined. Main Cause of Risk, Attack , Vulnerability, Attackand Other Weaknesses In a Security Procedure and Their Solution Attempted.