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Cryptography

Online Responder

A network service that provides real-time certificate status information, typically using the Online Certificate Status Protocol (OCSP) to validate if a certificate is revoked or still valid.

Quick answer: A network service that provides real-time certificate status information, typically using the Online Certificate Status Protocol (OCSP) to validate if a certificate is revoked or still valid.

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Quick answer

A network service that provides real-time certificate status information, typically using the Online Certificate Status Protocol (OCSP) to validate if a certificate is revoked or still valid.

Why it matters

Online Responder 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 Online Responder?

In this glossary, Online Responder refers to: A network service that provides real-time certificate status information, typically using the Online Certificate Status Protocol (OCSP) to validate if a certificate is revoked or still valid.

How is Online Responder used in cybersecurity?

In cybersecurity communication, this term appears in contexts such as: "An online responder using OCSP improves the efficiency of certificate revocation checking compared to CRLs."

Why does Online Responder matter in cybersecurity?

Online Responder 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 Online Responder?

Online Responder is mainly used by SOC Analysts, Security Engineers, and Incident Responders.

What category does Online Responder belong to?

In this glossary, Online Responder 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 network service that provides real-time certificate status information, typically using the Online Certificate Status Protocol (OCSP) to validate if a certificate is revoked or still valid.

Operational example

An online responder using OCSP improves the efficiency of certificate revocation checking compared to CRLs.

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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