lets a web site inform the browser that it should never load the site using HTTP and should automatically convert all attempts to access the site using HTTP to HTTPS requests instead. It consists in one HTTP header, , sent by the server with the resource. HTTP Strict Transport Security Strict-Transport-Security In other words, it tells the browser that changing the protocol from HTTP to HTTPS in a URL  works (and is more secure) and asks the browser to do it for every request. Learn more Strict-Transport-Security OWASP Article: HTTP Strict Transport Security Wikipedia: HTTP Strict Transport Security View Previous Terms: Block cipher mode of operation Certificate authority Challenge-response authentication Cipher Cipher suite Ciphertext CORS CORS-safelisted request header CORS-safelisted response header Cross-site scripting Cryptanalysis Cryptographic hash function Cryptography CSP CSRF Decryption Digital certificate DTLS (Datagram Transport Layer Security) Encryption Forbidden header name Forbidden response header name Hash HMAC HPKP HTTPS Key MitM OWASP Preflight request Public-key cryptography Reporting directive Robots.txt Same-origin policy Session Hijacking SQL Injection Symmetric-key cryptography TOFU Transport Layer Security (TLS) Credits Source: https://developer.mozilla.org/en-US/docs/Glossary/HSTS Published under license Open CC Attribution ShareAlike 3.0

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Glossary of Security Terms: HSTS

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