3.14.5 Periodic Scans of Information System 3.14.5 Perform periodic scans of the information system and real-time scans of files from external sources as files are downloaded, opened, or executed.To go back to the NIST 800-171 Controls page, click here. Guides McAfee Virus Scan Best Practices Example Tools McAfee Virus ScanBroadcom – Endpoint Protection Vendor Documentation McAfee Virus Scan Product GuideSymantec – Endpoint Protection Updated on July 16, 2025 Tagged: NIST FormsNIST-800 Was this article helpful? Yes No