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SC-35 External Malicious Code Identification

NIST SP 800-53 (controls) 5.2.0 against 5.2.0
All changes in this version
unchanged SC

Title

External Malicious Code Identification

Control

Include system components that proactively seek to identify network-based malicious code or malicious websites.

Discussion

External malicious code identification differs from decoys in [SC-26](#sc-26) in that the components actively probe networks, including the Internet, in search of malicious code contained on external websites. Like decoys, the use of external malicious code identification techniques requires some supporting isolation measures to ensure that any malicious code discovered during the search and subsequently executed does not infect organizational systems. Virtualization is a common technique for achieving such isolation.

Related controls

sc-26, sc-44, sc-7, si-3, si-4

Assessment objective

SC-35 system components that proactively seek to identify network-based malicious code or malicious websites are included.

STIG rules that implement this control 0

No followed STIG rule cites a CCI indexed to this control (CCI list 2026-07-14).