ISO 27001 · clause 5

The three parts, and what each one has to produce

5.1
Leadership
and commitment

Eight duties in the standard. Four things in practice.

Direction
Integration
Resources
Visible backing
Shows up as

Budget and headcount decisions. Management review records with decisions in them.

5.2
The information
security policy

One short document. Seven requirements sitting inside it.

Fits the business
Holds the goals
Two promises
Communicated
Shows up as

The policy itself, plus proof that people were told about it.

5.3
Roles and
authorities

Two jobs with a name on them, and the authority to go with it.

Assigned
Communicated
Conformity
Reporting
Shows up as

A written assignment the named person has actually seen.