... probability assigned for each threat likelihood level is 1.0 for High, 0.5 for Medium, 0.1 for Low • The value assigned for each impact level is 100 for High, 50 for Medium, and 10 for Low. SP 800-30 ... risk management can be performed in support of each phase. Table 2-1 Integration of Risk Management into the SDLC Support from Risk Management Activities Phase 1—Initiation The need for an ... organizations have tight budgets for IT security; therefore, IT security spending must be reviewed as thoroughly as other management decisions. A well-structured risk management methodology, when...