Though organizational security policies, procedures, standards and guidelines exist, they are often not entirely applicable or optimized for OT. Security and risk management leaders in converging IT/OT organizations must transform their security policies to support industrial IoT and OT use cases.
- Establish a Converged IT/OT Security Policy
- Step 1: RACI-Proof Your Security Policies
- Step 2. Gain Agreement on Policy and RACI Matrix
- Step 3. Communicate Policies to Responsible Roles
- Adopt OT Security Standards and Guidelines That Support the Converged IT/OT Security Policy
- Step 1. Customize Existing OT Standards or Simply Use Them as a Reference When Developing Your Own Custom OT Security Standards
- Step 2. Develop OT Security Guidelines to Provide Advice to the Rest of the OT Organization, Including Best Practices for OT Security
- Develop Coherent OT Security Procedures to Implement the Converged IT/OT Security Policy
- Step 1. Make OT Security Procedures Coherent
- Step 2. Give Priority to Network-Based OT Security Procedures
- Step 3. Implement Procedures for Controlling Adjustments to Hardware, Software, Firmware and Documentation
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