Terms of use

Defensive and authorised use only.

Website content is general educational information. Viewing the site or sending an introductory message does not create a professional engagement.

Responsible use

Do not use this website, its guidance or examples to conduct unauthorised testing, access systems without permission, evade controls, interfere with services or cause harm. Security testing must have clear written authorisation and an agreed scope.

No guarantee

Cyber security depends on the specific environment, implementation, people, suppliers, obligations and threat context. No website content, checklist, maturity result or discussion guarantees prevention, compliance, recovery or a particular outcome.

External material

Links to standards bodies, government agencies and security projects are provided for context. Those organisations control their own content. A link does not imply endorsement of every statement, product or service on an external website.

Intellectual property

The HD Cyber Defence design, brand, original diagrams, maturity model presentation and original written content remain protected. Third-party names, frameworks, trade marks and referenced material belong to their respective owners.

Changes and availability

Content may be corrected, updated, retired or made temporarily unavailable. Time-sensitive cyber guidance should always be checked against the latest authoritative source.