An organization needs to identify malicious inbound flows and observe internal network activities. Where is the best place to deploy a specialized detection solution to meet these needs effectively?
On the perimeter router, focusing on traffic entering from outside
Inside a dedicated web server subnet, focusing on that specific environment
Behind the main firewall, where it can observe incoming and internal movements
Near the core, filtering traffic after it has traversed the primary gateway
Deploying the detection solution behind the main firewall enables visibility into both inbound threats and internal network activity. While perimeter placement focuses on external threats, it lacks insight into lateral movement. Core placement may delay detection of threats entering from the outside. Behind the firewall offers the most effective balance of coverage and early warning.
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