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What is a Content Security Policy (CSP)?
A Content Security Policy (CSP) is a security feature used to help protect websites and web apps from clickjacking, cross-site scripting (XSS), and other malicious code injection attacks. At the most basic level, a CSP is a set of rules that restricts or green lights what content loads onto your website. It is a widely-supported security standard recommended to anyone who operates a website.
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