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SEC-C0138 · Security Policies & Templates

Security Policies Guide

Approve one short policy with an owner and a review date, using the generators as drafts.

Updated 25 October 2026 · Pillar guide

This is an original planning guide. It is not a vendor manual, an official standard, or legal advice. Example addresses use documentation ranges. Review every command before you paste it.

A policy is a decision someone signed

A policy says what people must do, who owns the exception, and when it will be read again. The generators on this site draft information security, acceptable use, access, vendors, logging, email, clean desk, physical security, social media, privileged access, cloud, development, assets, network, and awareness. A draft is not approved because it was generated.

Start with one policy the organisation is actually missing. A library of fifteen unread documents is not a programme. The awareness guide is how people hear the one you approved.

Exceptions have a name, a reason, and an expiry. An exception with no expiry is the new normal.

This is not legal advice. Where a law or a contract needs a clause, counsel adds it. You do not paste a statute into the document and call it done.

One draft, one approver, one date

Pick acceptable use or access control, whichever you lack. Generate the draft. Delete sections that name tools you do not have. Read it aloud. If a sentence cannot be followed, cut it.

The approver is a person, not a distribution list. They sign or they send it back. The review date is inside a year unless you wrote why it is longer.

Publish it where the team already looks. Tell one team, which is the awareness pilot if you are doing both. Filing it only in a wiki nobody opens is not publishing.

Link the register: this policy is the control for one risk, or it is not finished.

A change you can finish

The change is one approved policy. The other generators wait.

Rollback is the previous approved text. If this is the first, rollback is withdrawing the document and saying so.

  1. Choose the one missing policy.
  2. Generate a draft and delete what you do not mean.
  3. Name the approver and the review date.
  4. Get the approval in writing.
  5. Publish it where people look.
  6. Connect it to one risk.
  7. Leave the other fourteen drafts unapproved.

Mistakes that outlive the command

security policies fails in the same few ways. Each one looks finished on the day you type it. The list is here so the ticket can forbid them before the window, not so you can recognise them in an incident review.

Decisions to write down before the window

One decision for security policies: One policy is in this window. The approver is a person and the approval is recorded. The review date exists. Exceptions expire. Unused sections were deleted. People were told where it lives. It maps to a risk or a gap ticket. Counsel owns legal clauses. The previous text is kept. And the awareness guide gets the lesson, not a second copy of the policy pasted into email.

The hour you stop

Write the hostname or the system name, the owner, and the clock time before you change anything for security policies. If the system is serving people and you do not have a spare, this hour is a plan, not a change. A plan you can read tomorrow is a success. A change you cannot undo is not.

Use a lab or a copy. The log line you test with is one you created, or one you are already allowed to hold. You do not point a tool at a network, a mailbox, or an account you do not administer. The tools on this site run in the browser. They do not log in, and they do not scan.

prompt-for-this is a reminder that a secret is missing. It is not a password, a token, or a key you save. The real secret stays in the password store. If a draft, a log, or a ticket still contains a live secret, stop and rotate it. Then delete the copy.

One change. A firewall, a detection, a DNS record, and a policy do not share a window. If two things move and the outcome is wrong, you will not know which one did it. The rollback is the previous value, written down while the system still works.

A second person reads the scope aloud: which host, which domain, which account. If they cannot find it in the ticket, the ticket is not ready. Silence is not agreement.

Documentation addresses stay in the lab. 192.0.2.0/24, 198.51.100.0/24, and 203.0.113.0/24 are not your production network. example.com is not your domain. Replace them before a real record or a real rule is published.

Do not allow every address because a test failed. A rule, a header, or a detection that matches the world is a draft you delete. Management stays on the prefix you named. A service port opens when the service is ready, for the clients you named.

Keep the previous file. A generator draft is not the previous file. The previous file is what you reload if the new one is wrong. You practised the reload on the lab, with a console or a second session open when the change can lock you out.

If a step fails twice, stop. The failure is the result. Adding a command from a forum beside a half-applied config produces a system nobody can explain. Rebuild the lab from the copy you kept.

When the checks pass, the next system waits until someone else can repeat the proof from the notes. security policies is done for this window when the proof is written, not when the tool printed a file.

This page is a planning guide. It is not legal advice, not an audit opinion, not a vendor manual, and not the text of a standard. If a lawyer, an auditor, or a regulator must see the decision, they see the ticket and the evidence, not this paragraph.

Hand the finished note to the neighbouring guide that owns the next step, and leave this system alone until that guide has its own window.

Policy checks before you generate the next one

Confirm this before you call the change done: The document says who approved it. The review date is on the page. You can follow every must. Exceptions have expiries. It is published, not only drafted. One risk points at it. No statute was pasted as your procedure. The other generators were not marked approved. A second person read it aloud. The previous version is saved. The team who must follow it was told. Legal review is recorded if counsel was required. The hostname in the prompt matches the hostname in the ticket for security policies. The result line includes the time and the person, not only the command. You can point at the rollback value without searching a chat history. And done is a sentence a second person can repeat: the proof for security policies happened, and the next host is not started early. If one of those fails, stop.

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