A company that relies on an COL system must keep it operating until a new...

[References:, CompTIA SecurityX Study Guide: Recommends network isolation and firewall rules as effective measures for securing legacy systems., NIST Special Publication 800-82, "Guide to Industrial Control Systems (ICS) Security": Advises on isolating critical systems and using firewalls to control access., "Network Security Assessment" by Chris McNab: Discusses techniques for isolating systems and enforcing firewall rules to protect vulnerable or legacy systems., By isolating the system and implementing strict firewall controls, the organization can maintain the necessary operations securely while working on deploying a new solution., , , , ]