---
description: Manage your security.txt file via the dashboard or the API.
title: Set up your security.txt file
image: https://developers.cloudflare.com/og-docs.png
---

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> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/security-center/llms.txt  
> Use this file to discover all available pages before exploring further.

# Set up your security.txt file

Last updated Aug 24, 2026|Copy as Markdown|[View as Markdown](https://e8aee267.previews.developers.cloudflare.com/security-center/infrastructure/security-file/index.md)|[Agent setup](https://e8aee267.previews.developers.cloudflare.com/agent-setup/)

You can manage your [security.txt ↗](https://en.wikipedia.org/wiki/Security.txt) file via the dashboard or the [API](https://e8aee267.previews.developers.cloudflare.com/api/resources/security%5Ftxt/).

Note

When using the API, the preferred languages field name is `preferred_languages` (snake\_case). For example: `"preferred_languages": "en, de"`.

To manage your security.txt file via the Cloudflare dashboard:

1. Log in to the [Cloudflare dashboard ↗](https://dash.cloudflare.com/), select your account and domain.
2. Go to **Security** \> **Settings** and filter by **Web application exploits**.
3. Under **Security.txt** \> **Configurations**, select the edit icon.

From here, you can create and manage your `security.txt` file to provide the security research team with a standardized way to report vulnerabilities.

Fill in the following information:

* **(Required) Contact**: You can enter one of the following to contact you about security issues:

  * An email address: The email address must start with `mailto:` (for example, `mailto:help@example.com`).
  * A phone number: The phone number must start with `tel:` (for example, `tel:+1 1234567890`).
  * A URL link: The URL link must start with `https://` (for example, `https://example.com`).  
Select **Add more** to add multiple contacts.
* **(Required) Expires at**: Enter the expiration date and time of the `security.txt` file.
* **Encryption**: A link to a key which security researchers can use to communicate with you.
* **Acknowledgements**: A link to your acknowledgements page.
* **Canonical**: Links to your `security.txt` file.
* **Hiring**: A link to your security-related job openings.
* **Policy**: A link to a policy describing what security researchers should do when searching for or reporting security issues.
* **Preferred languages**: A list of language codes that your security team speaks.

Once you have entered the necessary information, select **Save**.

To edit your security.txt file:

1. Go to **Security** \> **Settings** and filter by **Web application exploits**.
2. Under **Security.txt** \> **Configurations**, select the edit icon.

To download your security.txt file:

1. Go to **Security** \> **Settings** and filter by **Web application exploits**.
2. Under **Security.txt** \> **Configurations**, select the download icon.

To delete your security.txt file:

1. Select **Security** \> **Settings** and filter by **Web application exploits**.
2. Under **Security.txt** \> **Configurations**, select the edit icon.
3. Select **Delete**.

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