TLS Security Guidelines
- Article
- Transport Layer Security (TLS)
- Advanced
The NCSC has been actively maintaining the TLS guidelines since 2014. On this page you will find the most up‑to‑date guidelines.
TLS Security Guidelines 2025-05
Errata:
- The recommendation for the PSS padding scheme has been moved from Table 4 to the accompanying text.
- Several textual improvements have been made to make the text more readable. These do not contain functional changes.
TLS Security Guidelines 2021-01 (v2.1)
This is an outdated version of the TLS guidelines from 2021 and is no longer current.
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