Transport Layer Security
TLS
Cryptographic protocol providing confidentiality and integrity for application‑layer traffic; modern deployments use TLS 1.2+ with strong cipher suites.
#crypto#network#rfc#nist
Last updated: 2025-08-22T00:00:00.000Z
Differences across sources
Parallel sources use distinct terminology or emphasize different aspects.
Review each citation to understand scope and normative intent.
Evidence
RFC RFC 8446 (TLS 1.3) (2018-08) Normative evidence
TLS 1.3 is a major revision that improves security and performance over earlier versions.
NIST NIST SP 800-52 Rev. 2 (2019-08) Normative evidence
Guidelines for the selection, configuration, and use of TLS implementations.
Mappings
CISSP Domain 4
Examples
HTTPS
Web browsers using TLS over TCP port 443 to secure HTTP traffic.
More context
TLS replaces SSL and negotiates cipher suites, protocol versions, and extensions (e.g., ALPN). Forward secrecy, AEAD ciphers, and certificate validation are baseline best practices.