Cryptography

CA証明書

A digital certificate issued to a Certificate Authority, used to sign and validate other digital certificates within a PKI hierarchy.

Quick answer: A digital certificate issued to a Certificate Authority, used to sign and validate other digital certificates within a PKI hierarchy.

This term page is part of the Protermify Cybersecurity glossary and is published as static HTML for fast indexing and clear language coverage.

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Quick answer

A digital certificate issued to a Certificate Authority, used to sign and validate other digital certificates within a PKI hierarchy.

Why it matters

CA証明書 matters because it supports clear communication in Cryptography contexts for SOC Analysts, Security Engineers, and Incident Responders. It also connects to aviation training and exam language such as CISSP, CompTIA Security+, and CEH.

Editorial context

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Questions and answers

Questions and answers

What is CA証明書?

In this glossary, CA証明書 refers to: A digital certificate issued to a Certificate Authority, used to sign and validate other digital certificates within a PKI hierarchy.

How is CA証明書 used in cybersecurity?

In cybersecurity communication, this term appears in contexts such as: "ルートCA証明書は自己署名されており、サブCA証明書はPKI階層の上位機関によって署名される。"

Why does CA証明書 matter in cybersecurity?

CA証明書 matters because it supports clear communication in Cryptography contexts for SOC Analysts, Security Engineers, and Incident Responders. It also connects to aviation training and exam language such as CISSP, CompTIA Security+, and CEH.

Who uses CA証明書?

CA証明書 is mainly used by SOC Analysts, Security Engineers, and Incident Responders.

What category does CA証明書 belong to?

In this glossary, CA証明書 is grouped under Cryptography. Related pages in this category explain adjacent procedures, commands and operational concepts.

Where does this definition come from?

This definition is sourced from ISO 27001, NIST Cybersecurity Framework, MITRE ATT&CK and published by Protermify Cybersecurity as a static cybersecurity reference page.

Definition

A digital certificate issued to a Certificate Authority, used to sign and validate other digital certificates within a PKI hierarchy.

Operational example

The root CA certificate is self-signed, while subordinate CA certificates are signed by a higher authority in the PKI hierarchy.

Localized term

CA証明書

Localized example

ルートCA証明書は自己署名されており、サブCA証明書はPKI階層の上位機関によって署名される。

Definition language

English reference definition

Source

ISO 27001, NIST Cybersecurity Framework, MITRE ATT&CK

Category

Cryptography

Exam relevance

  • CISSP
  • CompTIA Security+
  • CEH

Target audience

  • SOC Analysts
  • Security Engineers
  • Incident Responders

Related terms

Use the related links below to continue through connected cybersecurity terminology.

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