Perform periodic and real-time scans of files from external sources
System and Information Integrity · NIST SP 800-171 Rev 2
Requirement
Perform periodic scans of organizational systems and real-time scans of files from external sources as files are downloaded, opened, or executed.
Discussion
Periodic scans of organizational systems and real-time scans of files from external sources can detect malicious code. Malicious code can be encoded in various formats (e.g., UUENCODE, Unicode), contained within compressed or hidden files, or hidden in files using techniques such as steganography. Malicious code can be inserted into systems in a variety of ways including web accesses, electronic mail, electronic mail attachments, and portable storage devices. Malicious code insertions occur thro
How this affects your SPRS score
Under the DoD Assessment Methodology, a perfect SPRS score is 110. If this control is not met, 3 points is subtracted from your score.
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Estimate my SPRS score →Source: NIST SP 800-171 Rev 2 (public domain) · SPRS weighting per the DoD Assessment Methodology · This is reference information, not an official assessment.