Mission 026

Engineer Briefing

A network engineer has one responsibility:

Ensure that data reaches the correct destination safely and reliably.

In previous missions, you learned:

• How routers connect networks.
• How routing tables work.
• How static routes are configured.
• How OSPF allows routers to learn automatically.

However, routing creates a new security challenge.

Routers make decisions about where traffic should go.

If those decisions are manipulated, attackers can:

• Redirect traffic.
• Block communication.
• Create network outages.
• Capture sensitive information.

A secure network must protect not only devices and applications but also the paths that data follows.

This mission introduces:

Routing Security