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security-expert

Identify and mitigate security risks in React, Next.js, and NestJS applications.

2|1|Updated Apr 4, 2026
Search Tags:#authorization#security#authentication#react#owasp#next.js#nestjs
One-click install
npx skills add https://github.com/genfeedai/genfeed.ai --skill security-expert-genfeedai
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: security-expert
Source: https://github.com/genfeedai/genfeed.ai/tree/main/.agents/skills/security-expert
Command: npx skills add https://github.com/genfeedai/genfeed.ai --skill security-expert-genfeedai

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Application security is critical for modern web apps built with React, Next.js, and NestJS; this Skill provides expert guidance to apply OWASP Top 10 controls, enforce robust authentication and authorization, protect sensitive data, and implement secure configurations across the frontend and backend.

Core Features & Use Cases

  • Authentication & Authorization patterns: secure login, token management, RBAC, and multi-tenancy considerations for complex apps
  • Data Protection & Input Validation: proper hashing, encryption at rest/in transit, DTO validation, and secret management
  • Security Headers & Configurations: CSP, CSP-Report-Only guidance, CORS policies, and helmet-based hardening
  • Threat Modeling & OWASP Alignment: threat modeling, secure-by-design practices, and dependency vulnerability reviews

Quick Start

Run a security assessment on your React/Next.js/NestJS project to identify OWASP Top 10 issues and receive actionable remediation steps.

Frequently Asked Questions about security-expert

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

FAQPage Schema
How do I secure authentication and authorization in a NestJS backend?▼

To secure authentication and authorization in NestJS, implement robust token management and role-based access control patterns. This ensures proper multi-tenancy considerations and validates user permissions across backend layers.

What is the best way to configure Content Security Policy headers in Next.js?▼

The best way to configure Content Security Policy in Next.js is by applying helmet-based hardening and CSP-Report-Only guidance. This enforces secure headers and mitigates cross-site scripting risks across frontend layers.

Does this security review approach support OWASP Top 10 vulnerability audits?▼

Yes, this security review approach fully supports OWASP Top 10 vulnerability audits. It aligns with threat modeling and secure-by-design practices to identify and mitigate risks during code and architecture reviews.

How do I validate DTOs and protect sensitive data in a React and NestJS application?▼

To validate DTOs and protect sensitive data in React and NestJS, enforce proper hashing and encryption at rest and in transit. This includes strict input validation and secure secret management configurations.

Can I audit dependency vulnerabilities for modern web apps?▼

Yes, you can audit dependency vulnerabilities for modern web apps. The process reviews dependencies against industry best practices to identify security risks and provides actionable remediation steps for your stack.

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