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Improving Industrial Control Systems (ICS) security typically involves a thorough risk assessment followed by a security assessment, both of which are supplemented by reports detailing vulnerabilities, weaknesses and recommendations. IEC 62443 is a set of ICS security standards written by ICS experts for ICS owners, manufacturers and integrators across a range of applications and sectors. It provides technical requirements that foster a cohesive approach to security that takes into account varying phases of maturity. Read the white paper developed by the SANS Institute and Fortinet discussing the guidance provided by IEC 62443 for securing an ICS environment to see how the solutions within the Fortinet Security Fabric can assist in strategic deployment of a security framework for ICS environments.