An organization's Information Security Policy is of MOST importance because

 Purpose of an Information Security Policy:

The policy serves as a foundational document that articulates the organization’s commitment to safeguarding its information assets.

It demonstrates management’s intent and direction toward implementing robust security measures.

 Management Commitment:

As per EC-Council CCISO, management’s visible commitment to security is essential for creating a culture of compliance and accountability across the organization.

Policies provide a basis for decision-making, risk management, and incident response.

 Supporting Reference:

The CCISO program outlines that a well-documented and communicated information security policy ensures clarity in roles and responsibilities, fostering alignment among all stakeholders, including employees and vendors.