Risk Management

NIST SP 800-30

• Developed by: National Institute of Standards and Technology (NIST).
• Focus: Provides a systematic approach to risk assessment, focusing on information systems and security.
• Steps:
  1. Prepare for the assessment: Define the scope, identify resources, and establish roles and responsibilities.
  2. Conduct the assessment:
     • Identify threat sources and events.
     • Identify vulnerabilities and predisposing conditions.
     • Determine the likelihood of occurrence.
     • Analyze the impact of potential events.
     • Determine risk as a combination of likelihood and impact.
  3. Communicate results: Document and share the findings with relevant stakeholders.
  4. Maintain the assessment: Regularly review and update the risk assessment.
• Benefits:
  • Comprehensive and widely recognized.
  • Provides a structured approach.
  • Aligns with other NIST security standards.

Facilitated Risk Analysis Process (FRAP)

• Focus: A collaborative and inclusive approach to risk assessment, involving a group of stakeholders.
• Key Elements:
  • Facilitator: Leads the process and ensures effective participation.
  • Stakeholders: Individuals with diverse perspectives and knowledge about the system or process being assessed.
  • Structured Discussions: Guided discussions to identify and evaluate risks.
• Benefits:
  • Leverages diverse perspectives.
  • Encourages buy-in and ownership of the risk assessment.
  • Can lead to more comprehensive and accurate results.

Operationally Critical Threat, Asset, and Vulnerability Evaluation (OCTAVE)

• Focus: Identifying and prioritizing assets based on their criticality to the organization's mission and assessing the threats and vulnerabilities that could impact those assets.
• Key Features:
  • Asset-centric: Starts with identifying the most critical assets.
  • Threat-driven: Focuses on the threats that could affect those assets.
  • Self-directed: Organizations conduct the assessment themselves, with guidance from the OCTAVE methodology.
• Benefits:
  • Prioritizes risks based on business impact.
  • Encourages organizational ownership of the risk management process.
  • Suitable for organizations with limited resources.

Failure Modes and Effect Analysis (FMEA)

• Focus: Identifying potential failure modes for a system or process and analyzing their effects and likelihood of occurrence.
• Steps:
  1. Identify potential failure modes.
  2. Analyze the effects of each failure mode.
  3. Determine the severity of each effect.
  4. Identify potential causes of each failure mode.
  5. Determine the likelihood of occurrence.
  6. Identify current controls.
  7. Calculate the Risk Priority Number (RPN).
  8. Develop and implement mitigation actions.
• Benefits:
  • Proactive approach to risk management.
  • Focuses on preventing failures.
  • Widely used in engineering and manufacturing.