Which of the following best describes Information Security policies?

Information security policies are crucial for establishing guidelines and protocols that govern the protection of an organization's information assets. The best description of these policies involves the aspect of being written down, which forms the foundation for a formal and structured approach to security management. A well-documented policy serves multiple purposes, including ensuring clarity and consistency in the implementation of security measures across the organization.

Having the policies written down provides a reference point for employees and management alike, helping to align their understanding and actions concerning information security. It also facilitates compliance with various regulatory standards and organizational goals by creating a tangible document that can be enforced and audited.

While clear communication to all system users and regular auditing and revision of policies are indeed important components for an effective information security framework, these elements follow from the foundational aspect of having the policies documented. Written policies are the starting point; without them, the other aspects become challenging to enforce or manage effectively. Thus, documentation is essential for guiding behavior and ensuring that a coherent security strategy is in place, making the choice focused on the written nature of the policies the best description.