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Misconfiguration

A misconfiguration is an incorrect, unsuitable, or insufficiently restrictive system or application setting that causes unintended behavior, operational problems, or security exposure.

How 2 Manning books explain it

Secure APIs

A misconfiguration is a security-relevant condition in which system or application settings are incorrect, unsafe, or insufficiently restrictive.

How it is used
Explains how unsafe API settings expose information, operations, and credentials to attackers.
How deep it goes
Defines major failure modes, works through debug leakage, and recommends configuration management and smoke tests.
Examples
Demonstrates an invalid order_by request producing a stack trace from a debug-enabled users endpoint.
What you can do after
Diagnose configuration leaks with smoke tests and harden deployments by disabling debug mode and automating settings.

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Infrastructure as Code, Patterns and Practices: With examples in Python and Terraform

An infrastructure or system configuration whose settings create unintended security exposure or violate required security controls.

How it is used
Uses infrastructure-as-code checks and reviews to prevent security exposure before systems reach production.
How deep it goes
Explains concrete failure modes, policy checks, module review, and breach response without detailing specific scanning implementations.
Examples
Uses public object storage, default database passwords, permissive firewalls, and unapproved database modules as concrete examples.
What you can do after
Diagnose exposure by auditing configuration and access control, then assess blast radius and remediate breaches.

Read how Infrastructure as Code, Patterns and Practices: With examples in Python and Terraform explains misconfiguration →

Related concepts

These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.