Considerations for Critical Infrastructure Operators Working With Third-Party ICS Integrators

Introduction The Federal Bureau of Investigation (FBI) and Cybersecurity and Infrastructure Security Agency (CISA)—hereafter referred to as the “authoring agencies”—have published this fact sheet to highlight considerations for critical infrastructure entities to reduce risk and minimize vulnerabilities when working with third-party industrial control system (ICS) integrators. ICS is an umbrella term referring to integrated networks of hardware and software designed to monitor and automate physical processes, encompassing specialized control systems and devices, such as supervisory control and