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IT Threat and Risk Assessment Overview. June 6, 2014. Risk. Impact x Likelihood = Risk. Risk. Based on BC Museums Best Practices Module – Risk Management, 2005 (modified). Risk Assessment. Threat > Impact x Likelihood = Risk > Safeguards > Residual Risk.
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IT Threat and Risk AssessmentOverview June 6, 2014
Risk Impact x Likelihood = Risk 2
Risk Based on BC Museums Best Practices Module – Risk Management, 2005 (modified) 3
Risk Assessment Threat> Impact x Likelihood = Risk > Safeguards > Residual Risk Potential act or event that could cause loss Define IT security requirements Risk that remains after safeguards are implemented 4
Risk Assessment • Risk assessment is a “business” exercise • IT risk assessment is ideally part of the overall risk assessment of the project • Risk assessment can scale • Can be short and simple, or detailed and rigorous • “Generic” risk assessments • Can re-use assessment from similar project 5
Threat and Risk Assessment / Certification & Accreditation Steps Identify and Categorize Assets Threat and Risk Assessment Implement Certify Accredit How critical? How sensitive? Identify safeguards, IT security requirements Implement safeguards Confirm whether safeguards are implemented Accept residual risk Project Team Project Team Project Team IT Security Coordinator Management 6
Roll-out, tools and support • Trial approach on a few projects • Tools • TRA worksheet and guide • List of sample threats • Integrate into regular project planning • Prioritize based on sensitivity, criticality • Decision records in Enterprise • Assess as we go 9
References • Management of Information Technology Security (MITS) Operational Security Standard:https://www.tbs-sct.gc.ca/pol/doc-eng.aspx?id=12328§ion=text • BC Museums Best Practices Module – Risk Management:http://museumsassn.bc.ca/wp-content/uploads/2013/07/BP-7-Risk-Management.pdf 12