Section: IT & Technology · CybersecurityDifficulty: Medium
TLS
USUK
Transport Layer Security — the successor to SSL, providing encrypted communications over networks.
Also: Transport Layer Security
Definition
TLS (Transport Layer Security) is a cryptographic protocol that provides end-to-end security for data transmitted over the internet. It is the successor to SSL and is used to secure HTTP (HTTPS), email (SMTPS), messaging, and other protocols. TLS uses asymmetric cryptography to exchange keys and symmetric cryptography (AES) for bulk data encryption. TLS 1.3 (released 2018) significantly improved security and performance by reducing the TLS handshake to a single round-trip.
Example
“Every time you log into your bank online, TLS 1.3 establishes an encrypted channel in milliseconds before any data is transmitted.”
Synonyms
- transport encryption
- secure channel
- SSL successor
Antonyms / Opposites
- plaintext communication
- unencrypted transport
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Related Terms
- ssl
- https
- encryption
- certificate