Cyber Risk Vulnerability and Patch Management Guide

This guide presents an approach for suppliers to protect data and systems from cyber threats targeting information technology (IT) and operational technology (OT) systems. It outlines the importance of effective vulnerability management, which involves identifying, assessing, prioritizing, and remediating known weaknesses in systems and software applications. The document defines key terms such as vulnerability and patch, and details core principles of vulnerability management, including continuous monitoring, asset awareness, prioritized remediation, patch proficiency, accountability, and balancing operational impact with security needs. Additionally, it provides actionable next steps for developing policies, leveraging automation, and engaging experts to enhance cybersecurity hygiene. The guide emphasizes the critical nature of understanding vulnerabilities and maintaining asset inventories to effectively mitigate risks, ensuring that organizations can respond to evolving threats and protect their systems from potential exploitation.