Webhooks mTLS documentation

[danielfsousa]

DOCS: Remove mTLS mention from webhook authentication documentation

What Changed

This PR removes all mentions of mTLS (mutual TLS) from the Event Webhook Authentication and Security documentation (content/docs/tech-resources/webhook-authentication.md).

Specifically:

• Removed "mTLS," from the frontmatter description.
• Removed the dedicated "mTLS" section, including its heading and explanatory paragraph, from the "Webhook Network Security" section.

This change reflects the deprecation of mTLS support for webhooks due to industry-wide changes where Certificate Authorities will no longer include Client Authentication capabilities in publicly trusted certificates. The documentation now accurately reflects supported security measures (SSL/TLS, OAuth 2.0, and Basic Authentication).

How To Test or Verify

1. Review the content/docs/tech-resources/webhook-authentication.md file in this PR.
2. Verify that "mTLS" is no longer present in the frontmatter description.
3. Confirm that the entire "mTLS" section under "Webhook Network Security" has been removed.
4. If a Netlify deploy preview is available, check the rendered page for "Event Webhook Authentication and Security" to ensure no mention of mTLS remains.

PR Checklist

All PRs Checklist

• Give your pull request a meaningful name.
• Use lowercase filenames.
• Apply at least one team label according to which team is the content expert (ie. team-FE or team-SAZ)
• Pull request approval from the FE team or content experts (see label applied above) that isn't the content creator.

Content Changes Checklist

• Check that your article looks correct in the preview here or in a Netlify deploy preview.
• Check the links in your article.
• Check the images in your article (if there are any)
• Check to make sure you are using markdown appropriately as outlined in examples/article.md in the root of the project directory and on the momentum doc's preface article
• Check to make sure the Copy and Tone Guidelines are followed.

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Slack Thread

 

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Note

Low Risk
Documentation-only change that removes an unsupported security option; no runtime or API behavior is affected.

Overview
Updates the Event Webhook Authentication docs to remove mTLS guidance. The frontmatter description and the “Webhook Network Security” section no longer mention or describe mTLS, leaving SSL/TLS, IP whitelisting, Basic Auth, and OAuth 2.0 as the documented options.

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[danielfsousa]

make sure to update the date before merging