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SI-04(15) Wireless to Wireline Communications

NIST SP 800-53 (controls) 5.1.1+u4
All changes in this version
first version loaded SI part of SI-4

Title

Wireless to Wireline Communications

Control

Employ an intrusion detection system to monitor wireless communications traffic as the traffic passes from wireless to wireline networks.

Discussion

Wireless networks are inherently less secure than wired networks. For example, wireless networks are more susceptible to eavesdroppers or traffic analysis than wireline networks. When wireless to wireline communications exist, the wireless network could become a port of entry into the wired network. Given the greater facility of unauthorized network access via wireless access points compared to unauthorized wired network access from within the physical boundaries of the system, additional monitoring of transitioning traffic between wireless and wired networks may be necessary to detect malicious activities. Employing intrusion detection systems to monitor wireless communications traffic helps to ensure that the traffic does not contain malicious code prior to transitioning to the wireline network.

Related controls

ac-18

Assessment objective

SI-04(15) an intrusion detection system is employed to monitor wireless communications traffic as the traffic passes from wireless to wireline networks.

STIG rules that implement this control 0

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