insecure-defaults

Detect fail-open insecure defaults in application code and configurations.

1|Updated Feb 22, 2026
One-click install
npx skills add https://github.com/1337hero/claude-toolkit --skill insecure-defaults-1337hero
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: insecure-defaults
Source: https://github.com/1337hero/claude-toolkit/tree/main/skills/insecure-defaults
Command: npx skills add https://github.com/1337hero/claude-toolkit --skill insecure-defaults-1337hero

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Insecure defaults enable fail-open configurations, such as hardcoded secrets, weak authentication, or permissive environment handling, which can let apps run insecurely in production.

Core Features & Use Cases

  • Detects fail-open patterns where apps start with insecure defaults and require remediation before deployment.
  • Guides security reviews during configuration management, IaC templates, and environment variable handling.
  • Useful in security audits, code reviews, and deployment validation to distinguish safe defaults from risky ones.

Quick Start

Describe how to identify and report insecure defaults in a given codebase.

Frequently Asked Questions about insecure-defaults

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I find hardcoded credentials and insecure defaults in my codebase?

Insecure defaults are fail-open configurations where applications start with weak secrets, hardcoded credentials, or permissive authentication, allowing them to run insecurely in production rather than crashing safely. They pose significant risk when default environment variable handling is permissive.

How do I audit environment variables for risky configuration management?

Audit environment variables by reviewing runtime code and configuration templates to surface insecure environment handling and risky env usage. Validate whether the application fails open with weak defaults or crashes safely when variables are missing.

What is the best way to detect fail-open patterns in IaC templates?

The best way to detect fail-open patterns is to review IaC templates for permissive auth and weak secrets, tracing the code path to assess production impact. This distinguishes safe defaults from risky ones during deployment validation.

Can I use this approach for security reviews of deployment templates?

Yes, you can apply insecure default detection across deployment templates and configuration management to guide security reviews. It surfaces hard-coded credentials and risky env usage, providing remediation guidance to fix issues before deployment.

Why does my application run insecurely with default environment variables?

Your application runs insecurely because fail-open defaults allow it to start with weak secrets or permissive auth rather than crashing. Insecure environment handling means the code path bypasses safe validation when variables are missing.