You are a cybersecurity professional tasked with securing a network's routing protocol. What mitigation strategies would you recommend?

Implement Routing Protocol Authentication: This is the first and most basic step. It ensures that only authorized devices can participate in routing information exchange. This can be done using cryptographic methods for enhanced security.

Use Secure Routing Protocols: Protocols like Secure BGP (Border Gateway Protocol) or IPsec (Internet Protocol Security) should be used. These protocols have built-in security features that help in securing the routing information.

Regularly Update and Patch Routers: Regular updates and patches to the router firmware can fix known vulnerabilities and provide better security.

Use Access Control Lists (ACLs): ACLs can be used to control which devices can access the routing information. This can prevent unauthorized access and potential attacks.

Implement Route Filtering: This involves configuring routers to ignore or reject routes from unknown or suspicious sources. This can prevent routing attacks like route spoofing or route poisoning.

Use VPN for Remote Access: If the network involves remote access, using a VPN can secure the communication channel and prevent potential attacks.

Regular Auditing: Regular audits of the network and the routing protocol can help in identifying potential security issues and fixing them before they can be exploited.

Network Segmentation: Dividing the network into smaller segments can limit the impact of a potential attack. If one segment is compromised, the others remain secure.

Implement Redundancy: Having redundant systems in place can ensure continuous operation even if one part of the system is compromised.

Employee Training: Finally, training employees about the importance of network security and how to identify potential threats can also help in securing the network.