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3.12 SECURITY ASSESSMENT

3.12.1 Periodically assess the security controls in organizational systems to determine if the controls are effective in their application | NIST 800-171 control 3.12.1 requires regular assessments of implemented security controls to ensure they function as intended. This benefits organizations by identifying weaknesses and preventing security breaches. It fosters accountability by holding them responsible for control effectiveness. Implementation involves planning and conducting assessments, analyzing results, and addressing identified issues. This ongoing process strengthens an organization's overall security posture.

3.12 SECURITY ASSESSMENT
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3.12 SECURITY ASSESSMENT
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3.12.1 Periodically assess the security controls in organizational systems to determine if the controls are effective in their application

By wnoble2005@gmail.com (William Noble) 📅 2024-03-02
NIST 800-171 control 3.12.1 requires regular assessments of implemented security controls to ensure they function as intended. This benefits organizations by identifying weaknesses and preventing security breaches. It fosters accountability by holding them responsible for control effectiveness. Implementation involves planning and conducting assessments, analyzing results, and addressing identified issues. This ongoing process strengthens an organization's overall security posture.



Organizations assess security controls in organizational systems and the environments in which those systems operate as part of the system development life cycle. Security controls are the safeguards or countermeasures organizations implement to satisfy security requirements. By assessing the implemented security controls, organizations determine if the security safeguards or countermeasures are in place and operating as intended. Security control assessments ensure that information security is built into organizational systems; identify weaknesses and deficiencies early in the development process; provide essential information needed to make risk-based decisions; and ensure compliance to vulnerability mitigation procedures. Assessments are conducted on the implemented security controls as documented in system security plans.Security assessment reports document assessment results in sufficient detail as deemed necessary by organizations, to determine the accuracy and completeness of the reports and whether the security controls are implemented correctly, operating as intended, and producing the desired outcome with respect to meeting security requirements. Security assessment results are provided to the individuals or roles appropriate for the types of assessments being conducted.Organizations ensure that security assessment results are current, relevant to the determination of security control effectiveness, and obtained with the appropriate level of assessor independence. Organizations can choose to use other types of assessment activities such as vulnerability scanning and system monitoring to maintain the security posture of systems during the system life cycle.[SP 800-53] provides guidance on security and privacy controls for systems and organizations. [SP 800-53A] provides guidance on developing security assessment plans and conducting assessments.

Benefits:

Proactive identification of weaknesses: Regularly assessing security controls helps identify vulnerabilities before they can be exploited by attackers. This allows organizations to address them promptly, minimizing potential damage.



Demonstration of due diligence: Periodic assessments provide evidence that an organization is actively managing its cybersecurity posture and fulfilling its security obligations. This can be crucial for regulatory compliance or demonstrating trustworthiness to partners and clients.

Alignment with evolving risks: The threat landscape constantly changes, and security controls need to adapt accordingly. Regular assessments help ensure that controls remain relevant and effective against current threats.

Continuous security improvement: The assessment process itself can reveal valuable insights into an organization's security posture. By identifying areas for improvement and taking corrective actions, organizations can continuously strengthen their overall security.

Accountability:

Senior Management: Provides direction and resources: Establishes a culture of security awareness and allocates resources for security assessments. Approves and oversees policies: Sets security policies and ensures regular reviews to address evolving threats. Champions security initiatives: Actively communicates the importance of security and supports relevant efforts.

IT Security Team: Conducts security assessments: Plans, performs, and analyzes assessments using appropriate methodologies (e.g., penetration testing, vulnerability scanning). Reports findings and recommendations: Presents assessment results to relevant stakeholders with clear recommendations for improvement. Collaborates with system owners: Works with system owners to understand specific systems and prioritize remediation efforts.

System Owners: Owns and understands their systems: Possesses a comprehensive understanding of their systems' security posture and controls. Implements and maintains security controls: Ensures their systems adhere to security policies and implements necessary safeguards. Addresses identified vulnerabilities: Collaborates with the IT security team to address vulnerabilities identified during assessments.

Individual Users: Complies with security policies: Adheres to established security policies and procedures, such as using strong passwords and reporting suspicious activities. Maintains awareness of security risks: Participates in security training and stays informed about evolving threats and best practices. Reports security incidents: Promptly reports any suspected security incidents to the appropriate authorities.



Implementation:

Define the scope: Clearly identify the systems, applications, and controls to be assessed. This helps ensure a focused and efficient evaluation.

Develop procedures: Establish a plan for conducting the assessment, outlining methods like interviews, testing, and document reviews.

Conduct and document: Perform the assessment according to the defined procedures and document the findings comprehensively.

Analyze and address weaknesses: Evaluate the findings to identify any control weaknesses. Develop and implement corrective actions to remediate these vulnerabilities.

Report results: Communicate the assessment results to relevant stakeholders, including management and security teams. This fosters transparency and facilitates informed decision-making.

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Category:Cybersecurity Maturity Model
Family:Security Assessment (AC 3.12)
Type:Basic Security Requirements
#CybersecurityMaturityModel #BasicSecurityRequirements

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