Docs: Refactor security logs as howto (Diátaxis) (#9985)

* Adds a seealso and includes existing rtd4b

* Relabel the current article as a how-to

* Refactor as feature reference

* Apply suggestions from @ericholscher's code review

Co-authored-by: Eric Holscher <25510+ericholscher@users.noreply.github.com>

* Adds @stsewd suggestions - dot some item lists

* Rephrase security log of downloading documentation

---------

Co-authored-by: Eric Holscher <25510+ericholscher@users.noreply.github.com>

docs/user/index.rst

@@ -157,7 +157,6 @@ and some of the core features of Read the Docs.
    /integrations
    /versions
    /hosting
-   /security-log
 
    /builds
    /build-customization

docs/user/reference/features.rst

@@ -19,3 +19,4 @@ Features
    /automation-rules
    /user-defined-redirects
    /badges
+   /security-log

docs/user/security-log.rst

@@ -1,5 +1,5 @@
-Security log and auditing
-=========================
+Security logs
+=============
 
 Security logs allow you to audit what has happened recently in your organization or account.
 This feature is quite important for many security compliance programs,
@@ -10,49 +10,46 @@ so that you can confirm this access was from the intended person.
 Security logs are only visible to organization owners.
 You can invite other team members as owners.
 
+.. seealso::
+
+   :doc:`/legal/security-policy`
+     General information and reference about how security is handled on Read the Docs.
+
 User security log
 -----------------
 
-We store user security logs for the last 90 days, and track the following events:
+We store a user security log for the latest 90 days of activity.
+This log is useful to validate that no unauthorized events have occurred.
 
-- Authentication on the dashboard
-- Authentication on documentation pages (:doc:`/commercial/index` only)
+The security log tracks the following events:
 
-Authentication failures and successes are both tracked.
-
-To access your logs:
+- Authentication on the dashboard.
+- Authentication on documentation pages (:doc:`/commercial/index` only).
+- When invitations to manage a project are sent, accepted, revoked or declined.
 
-- Click on :guilabel:`<Username dropdown>`
-- Click on :guilabel:`Settings`
-- Click on :guilabel:`Security Log`
+Authentication failures and successes are both tracked.
 
-This log is useful to validate that no unauthorized logins have occured on your user account.
+Logs are available in :menuselection:`<Username dropdown> --> Settings --> Security Log`.
 
 Organization security log
 -------------------------
 
-.. note::
-
-   This feature exists only on :doc:`/commercial/index`.
+.. include:: /shared/admonition-rtd-business.rst
 
 The length of log storage varies with your plan,
-check our `pricing page <https://readthedocs.com/pricing/>`__ for more details.
-We track the following events:
-
-- Authentication on documentation pages from your organization
-- User access to every documentation page from your organization (**Enterprise plans only**)
+check our `pricing page <https://about.readthedocs.com/pricing/>`__ for more details.
+Your organization security log is a great place to check periodically to ensure there hasn't been unauthorized access to your organization.
 
-Authentication failures and successes are both tracked.
+Organization logs track the following events:
 
-To access your organization logs:
+- Authentication on documentation pages from your organization.
+- User accesses a documentation page from your organization (**Enterprise plans only**).
+- User accesses a documentation's downloadable formats (**Enterprise plans only**).
+- Invitations to organization teams are sent, revoked or accepted.
 
-- Click on :guilabel:`<Username dropdown>`
-- Click on :guilabel:`Organizations`
-- Click on :guilabel:`<Organization name>`
-- Click on :guilabel:`Settings`
-- Click on :guilabel:`Security Log`
+Authentication failures and successes are both tracked.
 
-Your organization security log is a great place to check periodically to ensure there hasn't been unauthorized access to your organization.
+Logs are available in :menuselection:`<Username dropdown> --> Organizations --> <Organization name> --> Settings --> Security Log`.
 
 If you have any additional information that you wished the security log was capturing,
 you can always reach out to :doc:`/support`.