This guide provides an overview of OT cybersecurity compliance standards for 2024, emphasizing the importance of adhering to various regulatory frameworks to protect critical industrial systems. It outlines the necessity of following cybersecurity standards to mitigate risks associated with cyber threats, which can disrupt operations and compromise sensitive data. The guide details several key standards, including the ISO 27000 series, NIST SP-800 series, NIS2 Directive, NERC CIP, and others, explaining their relevance and application in operational technology environments. Each standard is described in terms of its objectives and the implications of non-compliance, highlighting the potential financial and reputational risks for organizations that fail to adhere to these guidelines. The document serves as a comprehensive resource for organizations seeking to enhance their cybersecurity posture and ensure compliance with evolving regulations in the face of increasing cyber threats.