The Secret Header That Makes Your PHP App 10x More Secure
SMRTR summary
Cross-Site Scripting (XSS) attacks allow hackers to inject malicious scripts into websites that can steal user data or mine cryptocurrency on visitors' computers. Content Security Policy (CSP) headers act as a browser whitelist, instructing browsers to only load scripts, styles, and other resources from approved sources, dramatically reducing XSS attack success even when vulnerabilities exist in server-side code.
SMRTR provides this summary for quick context. The original article belongs to Daily.dev.
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