Advanced – Security Testing
TLS – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
Transport Layer Security — a cryptographic protocol that secures communications over a computer network, replacing SSL.
In simple words
The encryption that protects HTTPS connections.
Exam tip
TLS 1.3 is the current standard; TLS 1.0/1.1 are deprecated for security.
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