Security edge devices(such as NGFWs, IDS/IPS, and secure gateways) are deployed at thenetwork perimeterto inspect and filter traffic, providing aninitial layer of defenseagainst external threats before they reach internal systems.
NIST SP 800-41 Rev. 1:
“Edge security devices enforce security policy at network boundaries and act as a first line of defense by preventing unauthorized or malicious traffic from entering the internal network.”
They are not TPMs or SIEMs, though they maygenerate dataconsumed by SIEMs.
????WGU Course Alignment:
Domain:Network Security
Topic:Deploy perimeter defense technologies at network entry points
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