SI.L2-3.14.4: Update Malicious Code Protection Mechanisms
Malware evolves constantly, and outdated protection leaves your systems vulnerable. SI.L2-3.14.4 requires you to deploy security updates for anti-malware and antivirus tools as soon as new releases become available. This control closes the gap between emerging threats and your defenses.
What this means
This control mandates that organizations maintain current malicious code protection by applying updates and patches to all anti-malware, antivirus, and anti-spyware tools across systems and networks. New releases address newly discovered threats, zero-day vulnerabilities, and enhanced detection methods. Delaying updates extends your window of exposure to known threats.
How to comply
- 1.Establish a documented patch management policy that includes malicious code protection tools and defines update frequency requirements.
- 2.Deploy automated update mechanisms for all anti-malware and antivirus software to ensure timely installation of new releases.
- 3.Monitor vendor release notes and security advisories for critical updates applicable to your specific tools.
- 4.Test updates in a controlled environment before production deployment to verify compatibility and system stability.
- 5.Document all malicious code protection updates with dates, versions, and affected systems for audit trails.
- 6.Schedule regular reviews (monthly or quarterly) to identify systems running outdated versions and remediate gaps.
Evidence auditors look for
- Patch management policy explicitly covering malicious code protection tools with defined update schedules
- Screenshots or logs showing automatic update configurations enabled in antivirus/anti-malware software
- Version control documentation or inventory showing all systems running current tool versions
- Update deployment records with timestamps and version numbers for each protected system
- Vendor security bulletin tracking logs demonstrating active monitoring for new releases
- Change management records documenting tested and approved malware protection updates
Frequently asked questions
When will FAQs be available?
The FAQ for this control is currently being prepared.
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