Atributos de seguridad de las cookies

Por qué importa

Cookies without the Secure, HttpOnly and SameSite flags can be sent over insecure connections, read by injected scripts or attached to cross-site requests. Session cookies are the most sensitive.

Cómo solucionarlo

1. Add Secure so the cookie is only sent over HTTPS.
2. Add HttpOnly to every cookie that JavaScript does not need to read.
3. Add SameSite=Lax (or Strict) to reduce cross-site request forgery.

Compruébalo con

• HTTP Headers Checker – View all HTTP response headers for a URL, with notes on the ones that matter for SEO.
• Security Headers Checker – Grade a site’s HTTP security headers (CSP, HSTS, X-Frame-Options and more).

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