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Sekit CSF · Network Security · Technical

RCF-0183TLS termination/hardening

Technical controls enforce TLS version and cipher standards across all services and flag non-compliant endpoints

Mapping at a glance
RCF-0183TLS termination/hardeningNetwork Security · Technical
A.8.20Networks securityISO/IEC 27001:2022 · Annex A controlsA.8.24Use of cryptographyISO/IEC 27001:2022 · Annex A controlsPR.DS-02Data-in-transit protectedNIST CSF 2.0PR.IR-01Networks protected from unauthorized accessNIST CSF 2.0

RCF-0183 maps to 4 controls across the published frameworks. Open in the full graph →

Maps to ISO/IEC 27001:2022 · Annex A controls

Curated mapping with the reasoning, not just the codes.

A.8.20Networks securitysupportsRequiring TLS 1.2 or later with modern ciphers on every service enforces the encrypted-transit expectation that is part of A.8.20's network protection.A.8.24Use of cryptographysupportsThe technical facet configures every service to accept only TLS 1.2 or later with modern ciphers and reject legacy protocol fallback.

Maps to NIST CSF 2.0

Curated mapping with the reasoning, not just the codes.

PR.DS-02Data-in-transit protectedPR.IR-01Networks protected from unauthorized access

Evidence that proves this control

What an auditor, or Sekit's evidence engine, asks for.

TLS and secure-DNS review
The proof that the company's websites and services use strong encryption (up-to-date HTTPS/TLS) and that DNS is protected against tampering.
From the Sekit evidence catalog

This topic through the other lenses

RCF-0181 PolicyRCF-0182 Process

All Network Security controls

Network Security
Ask Sekura: “What evidence proves RCF-0183?”
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