<ul><li>Most modern websites use HTTPS to secure communication between the browser and the server, encrypting data in transit to protect user sessions, credentials, and sensitive inputs.</li><li>However, encryption alone doesn't guarantee that the connection will always be secure, as accessing a site without 'https' or through old HTTP links can lead to insecure requests and potential man-in-the-middle (MITM) attacks.</li><li>To address this risk, HTTP Strict Transport Security (HSTS) comes into play, serving as a browser-level instruction that enforces the use of HTTPS when connecting to a site, without any exceptions or fallback to HTTP.</li><li>Understanding the difference between HSTS and HTTPS, and correctly implementing them, is crucial for enhancing web security and safeguarding websites against potential vulnerabilities.</li></ul>

HSTS vs HTTPS: Why You Need Both for Web Security

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