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3.4 CONFIGURATION MANAGEMENT

3.4.2 Establish and enforce security configuration settings for information technology products employed in organizational systems | NIST 800-171 control 3.4.2 requires organizations to define and enforce secure settings for their IT systems. This improves overall security by reducing misconfigurations and ensuring consistency. The IT security team defines the configurations, while system owners implement and maintain them. Implementing this control involves identifying baseline configurations, developing procedures for deployment and maintenance, and monitoring for compliance.

3.4 CONFIGURATION MANAGEMENT
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3.4 CONFIGURATION MANAGEMENT
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3.4.2 Establish and enforce security configuration settings for information technology products employed in organizational systems

By wnoble2005@gmail.com (William Noble) 📅 2024-03-01
NIST 800-171 control 3.4.2 requires organizations to define and enforce secure settings for their IT systems. This improves overall security by reducing misconfigurations and ensuring consistency. The IT security team defines the configurations, while system owners implement and maintain them. Implementing this control involves identifying baseline configurations, developing procedures for deployment and maintenance, and monitoring for compliance.



Configuration settings are the set of parameters that can be changed in hardware, software, or firmware components of the system that affect the security posture or functionality of the system. Information technology products for which security-related configuration settings can be defined include mainframe computers, servers, workstations, input and output devices (e.g., scanners, copiers, and printers), network components (e.g., firewalls, routers, gateways, voice and data switches, wireless access points, network appliances, sensors), operating systems, middleware, and applications.Security parameters are those parameters impacting the security state of systems including the parameters required to satisfy other security requirements. Security parameters include: registry settings; account, file, directory permission settings; and settings for functions, ports, protocols, and remote connections. Organizations establish organization-wide configuration settings and subsequently derive specific configuration settings for systems. The established settings become part of the systems configuration baseline.Common secure configurations (also referred to as security configuration checklists, lockdown and hardening guides, security reference guides, security technical implementation guides) provide recognized, standardized, and established benchmarks that stipulate secure configuration settings for specific information technology platforms/products and instructions for configuring those system components to meet operational requirements. Common secure configurations can be developed by a variety of organizations including information technology product developers, manufacturers, vendors, consortia, academia, industry, federal agencies, and other organizations in the public and private sectors.[SP 800-70] and [SP 800-128] provide guidance on security configuration settings.

Benefits:

Reduced Risk: By configuring IT products securely, you minimize unauthorized access and potential security breaches.

Enhanced Security: Consistent and effective security controls are implemented across the organization, improving overall security posture.
Simplified Management: A central repository for security settings streamlines security management and reduces complexity.



Improved Auditing: Easier tracking of security configurations simplifies auditing and ensures adherence to security policies.

Standardized Security: A baseline for secure configurations across the organization ensures consistent security practices.

Accountability:

Senior Management: Sets the overall direction and tone for cybersecurity by ensuring resources are allocated to implement and maintain secure configurations. Approves security policies and provides clear expectations for compliance with security measures. Conducts periodic reviews to assess the effectiveness of configuration management practices.

IT Security Team: Develops and implements secure configuration baselines for various IT systems, considering industry best practices and organizational risk profiles. Provides guidance and training to system owners and users on secure configuration settings and change management procedures. Monitors and audits systems to identify and address deviations from established configurations.

System Owners: Take responsibility for securing their assigned systems by implementing and maintaining approved configurations. Work with the IT security team to ensure configurations are aligned with security requirements. Report any configuration deviations or vulnerabilities to the IT security team for timely remediation.

Individual Users: Comply with established security policies and procedures regarding system configurations. Avoid unauthorized modifications to system settings that could compromise security. Report any suspicious activity or configuration changes to appropriate authorities.

Implementation:

Identify IT Products: Determine all IT products within your organization, including hardware, software, and firmware.

Develop/Obtain Configurations: Establish secure configurations for each product. You can develop them internally or leverage resources from vendors or industry best practices.

Implement Configurations: Apply the established configurations to all identified IT products.
Document Configurations: Maintain detailed documentation of the security configurations for each product.

Monitor and Audit: Continuously monitor and audit the configurations to ensure they remain effective and haven't been tampered with.



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About "3.4.2 Establish and enfor...stems" 🡃
Category:Cybersecurity Maturity Model
Family:Configuration Management (AC 3.4)
Type:Basic Security Requirements
#CybersecurityMaturityModel #BasicSecurityRequirements

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