How to Set Up a Content Security Policy (CSP) in 3 Steps

What is a Content Security Policy (CSP)?

A CSP is a policy that uses headers or meta elements to restrict or greenlight what content loads onto your website. It is a widely-supported security standard recommended to anyone who operates a website.

Why do you Need it ?

Using a CSP adds a layer of protection to your website by stating rules of what is or isn’t allowed. These rules help to defend against content injections and cross-site-scripting (XSS) attacks, two of OWASP’s top 10 Web Application Security Risks.

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