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Check which TLS protocol versions twitter.com supports. Test for TLS 1.0, 1.1, 1.2, and 1.3 compatibility and get a security grade.
TLS (Transport Layer Security) encrypts data in transit between your browser and twitter.com. Older protocols like TLS 1.0 and 1.1 have known vulnerabilities and are deprecated by major browsers. Our TLS checker tests which protocol versions twitter.com supports, identifies the preferred cipher suites, and assigns a security grade. Ensuring twitter.com supports TLS 1.2 or 1.3 is critical for protecting user data and maintaining compliance with modern security standards like PCI DSS.