Gartner Research

Risk Assessment Methodologies: A Comparison

Published: 28 March 2012

ID: G00228001

Analyst(s): Mario de Boer , Trent Henry


The Gartner for Technical Professionals team has examined five risk assessment standards -- now it's time to compare them with one another. This assessment stacks up the International Organization for Standardization/International Electrotechnical Commission (ISO/IEC); National Institute of Standards and Technology (NIST); Information Security Forum (ISF); Operationally Critical Threat, Asset, and Vulnerability Evaluation (OCTAVE); and Information Systems Audit and Control Association (ISACA) risk frameworks.

Table Of Contents

Summary of Findings



  • ISO 27005 vs. 31000
  • Assessment Scope
  • Basis
  • Governance
  • Risk Measurement
  • Uncovering Threats and Vulnerabilities
  • Limited Security Optimization
  • Potential Underestimation
  • Risk Appetite
  • Where Should I Start?
  • Prepare to Mix and Match
  • Don't Go It Alone
  • Reconsider Edge Cases

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