TLS 1.3 is the most secure and currently recommended version of the Transport Layer Security protocol. It removes outdated cryptographic algorithms, simplifies the handshake process, and provides stronger security guarantees than earlier versions.
TLS 1.3 eliminates insecure features such as static RSA key exchange and weak cipher suites. It enforces forward secrecy by default and significantly reduces handshake latency, improving both security and performance.
TLS 1.0 and TLS 1.1 are deprecated due to known vulnerabilities. TLS 1.2 is still secure when properly configured but is being phased out in favor of TLS 1.3.
Security frameworks and regulatory standards strongly recommend TLS 1.3 for protecting sensitive data in transit, especially for public-facing services.