HTTPS Embedding Security: Prevent Data Theft

TL;DR

An attacker can steal information from your HTTPS page if they embed it in a malicious website using an

Users visiting http://evil.example.com will see your banking page loaded inside the attacker’s site. They might think they are on your legitimate website, and enter their login details – which are then sent to the attacker.

Steps to Protect Your HTTPS Page

1. Understand Content Security Policy (CSP)
• CSP is a security standard that tells the browser where it’s allowed to load resources from. It helps prevent cross-site scripting (XSS) and embedding attacks.
• You configure CSP using HTTP headers sent by your server.
2. Implement Frame Ancestors Header
• The Frame-Ancestors header specifically controls which domains are allowed to embed your page in an