Remember TLS 1.3
Full name: Transport Layer Security version 1.3
Memory aid: One-point-three trims old handshake baggage.
Optional early data has replay considerations that applications must address.
Study area: Cryptography & trust · Batch 6
Relevant study for: CompTIA Security+ SY0-701 · ISC2 CISSP 2024 outline · ISC2 SSCP · CompTIA SecurityX · Cybersecurity Architect SC-100 · ISC2 CCSP · Security, Compliance, and Identity Fundamentals SC-900
Practice with exam flashcards →Cybersecurity & Identity / Knowledge library
TLS 1.3 — Transport Layer Security version 1.3
Modernizes TLS handshakes and removes many legacy options.
Why learn TLS 1.3 — Transport Layer Security version 1.3?
Modernizes TLS handshakes and removes many legacy options.
Where it came from
Optional early data has replay considerations that applications must address.
- Memory aid (a learning cue, not the expansion): One-point-three trims old handshake baggage.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand TLS 1.3: Transport Layer Security version 1.3.
- Recall this memory aid: One-point-three trims old handshake baggage.
- Explain the practical use: Modernizes TLS handshakes and removes many legacy options.
- Explain this distinction: Optional early data has replay considerations that applications must address.
- Identify TLS 1.3 in a device specification, architecture diagram, or system inventory.
Documentation and sources
- IETF RFC 8446 (www.rfc-editor.org)