How to make an iframe secure?

@ryan.murray 

There are several ways to make an iframe more secure:

1. Use the 'sandbox' attribute: By adding the 'sandbox' attribute to the iframe tag, you can restrict the actions that the content inside the iframe can perform. For example, you can prevent the content from executing scripts, opening pop-ups, or submitting forms.
2. Validate the source: Make sure that the source of the iframe is a trusted and secure website. Avoid loading content from untrusted or malicious sources.
3. Set 'X-Frame-Options' header: Enable the 'X-Frame-Options' header on the server-side to prevent the iframe from being embedded on other websites without permission. This helps protect against clickjacking attacks.
4. Use Content Security Policy (CSP): Implement a Content Security Policy on your website to restrict the sources from which resources can be loaded. This can help prevent cross-site scripting attacks and other malicious activities within the iframe.
5. Keep the iframe updated: Regularly update the content inside the iframe to ensure that any security vulnerabilities are patched. This includes keeping plugins, scripts, and other elements up to date.

By following these best practices, you can enhance the security of your iframes and reduce the risk of potential security threats.