Security News > 2020 > April > Eight Common OT / Industrial Firewall Mistakes

This article explores eight common mistakes that firewall administrators make and describes how these mistakes can compromise firewall functionality and network security.

Failing to patch a firewall means that attackers can use well-known and widely-available exploits for old and well-known firewall vulnerabilities to compromise our firewalls.

Deploying a firewall can incur significant and unexpected costs because firewall deployments often demand significant changes to other infrastructures.

Renumbering IP addresses on OT and/or enterprise networks when a new firewall is used to segment what was previously a "Flat" network,.

In process control system networks, there is often a belief that we are protected because the firewall has been configured to permit only outbound connections, from the industrial network to an external network.

News URL

https://threatpost.com/waterfall-eight-common-ot-industrial-firewall-mistakes/155061/