Application Security

Preflight Request Handling

The process of managing HTTP preflight requests (OPTIONS method) sent by browsers to check CORS permissions before the actual API request is made, ensuring proper cross-origin policy enforcement.

Quick answer: The process of managing HTTP preflight requests (OPTIONS method) sent by browsers to check CORS permissions before the actual API request is made, ensuring proper cross-origin policy enforcement.

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

The process of managing HTTP preflight requests (OPTIONS method) sent by browsers to check CORS permissions before the actual API request is made, ensuring proper cross-origin policy enforcement.

Why it matters

Preflight Request Handling matters because it supports clear communication in Application Security 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

This page is rendered as static HTML from source-backed terminology data so search engines and AI systems can parse the content without client-side code.

Questions and answers

Questions and answers

What is Preflight Request Handling?

In this glossary, Preflight Request Handling refers to: The process of managing HTTP preflight requests (OPTIONS method) sent by browsers to check CORS permissions before the actual API request is made, ensuring proper cross-origin policy enforcement.

How is Preflight Request Handling used in cybersecurity?

In cybersecurity communication, this term appears in contexts such as: "Configure Preflight Request Handling on all CORS-enabled APIs to ensure proper validation of allowed methods and headers."

Why does Preflight Request Handling matter in cybersecurity?

Preflight Request Handling matters because it supports clear communication in Application Security 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 Preflight Request Handling?

Preflight Request Handling is mainly used by SOC Analysts, Security Engineers, and Incident Responders.

What category does Preflight Request Handling belong to?

In this glossary, Preflight Request Handling is grouped under Application Security. 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

The process of managing HTTP preflight requests (OPTIONS method) sent by browsers to check CORS permissions before the actual API request is made, ensuring proper cross-origin policy enforcement.

Operational example

Configure Preflight Request Handling on all CORS-enabled APIs to ensure proper validation of allowed methods and headers.

Definition language

English reference definition

Source

ISO 27001, NIST Cybersecurity Framework, MITRE ATT&CK

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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