Ensuring compliance with the Cybersecurity Maturity Model Certification (CMMC) is critical for organizations, particularly those involved with the Department of Defense (DoD) supply chain. The CMMC framework mandates specific cybersecurity practices to protect sensitive information and mitigate cyber threats. This nugget provides industry-standard methods for complying with CMMC controls focused on vulnerability management. By adopting these best practices, organizations can achieve compliance and strengthen their overall cybersecurity posture, safeguarding their systems and data from potential threats.

1. RA.L2-3.11.2: Scan for vulnerabilities in organizational systems and applications periodically and when new vulnerabilities affecting those systems and applications are identified.

  • Automated Tools: Implement vulnerability scanning software to schedule routine scans (e.g., weekly, monthly) and on-demand scans when new vulnerabilities are disclosed.
  • Patch Management Systems: Integrate vulnerability scanning with patch management solutions to quickly address identified vulnerabilities.
  • Threat Intelligence Feeds: Subscribe to threat intelligence services to stay informed about new vulnerabilities that may impact your systems.
  • Continuous Monitoring: Employ continuous monitoring solutions to detect vulnerabilities in real-time and ensure immediate response.

2. RA.L2-3.11.3: Remediate vulnerabilities in accordance with risk assessments.
Risk Assessment Framework: Use frameworks like NIST SP 800-30 to conduct risk assessments and prioritize vulnerabilities based on their severity and potential impact.

  • Patch Management: Implement a structured patch management process to deploy patches for critical vulnerabilities promptly.
  • Change Management: Use an Information Technology Infrastructure Library based change management processes to ensure that remediation efforts do not introduce new risks.
  • Vulnerability Management Policy: Develop and enforce a vulnerability management policy outlining roles, responsibilities, and timelines for remediation.

3. SI.L1-3.14.1: Identify, report, and correct system flaws in a timely manner.

  • Issue Tracking Systems: Use a system that logs, tracks, and manages identified system flaws.
  • Regular Audits and Assessments: Conduct regular system audits and security assessments to identify and document flaws.
  • Automated Patch Deployment: Implement automated patch management solutions to deploy fixes rapidly once flaws are identified.
  • Incident Response Plan: Develop and maintain an incident response plan to address and correct flaws promptly upon detection.

4. SI.L1-3.14.2: Provide protection from malicious code at designated locations within organizational systems.

  • Antivirus and Antimalware Solutions: Deploy comprehensive antivirus and antimalware tools across all endpoints and servers.
  • Email and Web Filtering: Implement email and web filtering solutions to block malicious content from reaching end-users.
  • Network Segmentation: Segment the network to isolate critical systems and reduce the spread of malicious code.
  • User Training: Conduct regular cybersecurity training to help users recognize and avoid malicious code.

5. SI.L1-3.14.4: Update malicious code protection mechanisms when new releases are available.

  • Automated Updates: Enable automatic updates for all antivirus and antimalware tools to ensure the latest protection mechanisms are in place.
  • Patch Management: Integrate updates for malicious code protection into the overall patch management process.
  • Vendor Notifications: Subscribe to vendor notifications and threat intelligence feeds to stay informed about new updates and vulnerabilities.
  • Regular Reviews: Schedule regular reviews to verify that all protection mechanisms are up-to-date.

6. SI.L1-3.14.5: Perform periodic scans of organizational systems and real-time scans of files from external sources as files are downloaded, opened, or executed.

  • Endpoint Protection Platforms: Use endpoint protection platforms (EPP) with real-time scanning capabilities.
  • Scheduled Scans: Schedule periodic full system scans during off-peak hours to minimize impact on performance.
  • File Integrity Monitoring: Implement file integrity monitoring solutions to detect and respond to unauthorized changes in real-time.
  • Network Security Tools: Deploy network security tools like intrusion detection/prevention systems (IDS/IPS) to monitor and scan network traffic for malicious activity.

Achieving and maintaining CMMC compliance is not just a regulatory requirement but a crucial step in fortifying the DIB against evolving cyber threats. By implementing the industry-standard methods in this nugget, you can ensure robust protection for your systems and data. Take action now to assess your current cybersecurity measures, identify gaps, and adopt these best practices.

Investing in your cybersecurity infrastructure today will not only secure your position within the DoD supply chain but also enhance your overall resilience against cyberattacks. Prioritizing CMMC compliance will ultimately safeguard your organization’s future as well as demonstrate a commitment to cybersecurity excellence!

For assistance with your CMMC efforts, contact DTC’s C3PAO team.