Security Skill
Anti Reversing Techniques
Understand anti-reversing, obfuscation, and protection techniques encountered during software…
$15
Guard
Security hardening and authentication patterns for authorization, OWASP compliance…
A security hardening playbook for modern web apps that layers authentication, authorization, and input validation into a defense-in-depth stack. It covers NextAuth v5 setup, resource ownership checks, role-based access control, Zod validation, security headers, and OWASP Top 10 prevention: all built on fail-secure, least-privilege, and zero-trust principles so a single broken layer never exposes the whole system.
$15 one-time
Add to a kit → Prices include 20% VAT. · Forged on real agency work · one-time, no lock-in
- Type Skill
- Category Security
- Delivery Email · instant
- License One-time
Inside the run · no black box
See the actual work before you buy it.
Hardening a Next.js app runs in layers: NextAuth configured properly, authorization that returns 404 instead of revealing resources, Zod at every boundary, security headers locked in config, and an OWASP sweep against a 13-point checklist.
- Sets up NextAuth v5 properly: OAuth providers plus a Credentials provider whose authorize function validates input with Zod and compares against a bcrypt hash (cost 12), JWT session strategy, and middleware that redirects unauthenticated users off protected paths.
- Layers authorization on top of authentication: every resource access checks ownership and returns 404 instead of 403 so the resource's existence is never revealed, and an RBAC permission table (user/moderator/admin) gates write and manage operations.
- Validates all input at the boundary with Zod safeParse: schemas for users, IDs (UUID), pagination and HTML content stripping, so nothing typed by a client reaches business logic unchecked.
- Installs the security header set in next.config: HSTS with preload, X-Frame-Options, nosniff, referrer policy and a permissions policy locking camera, microphone and geolocation.
- Sweeps the OWASP Top 10 with concrete fixes: parameterized queries only, no string-built SQL; DOMPurify before any dangerouslySetInnerHTML; origin verification on POST routes for CSRF; sensitive fields like hashedPassword never selected into a response.
- Closes with the 13 point checklist and red flag scan: missing await auth() calls, passwords in responses, hardcoded secrets, error messages leaking internals, and login endpoints without a rate limiter.
One power source. 6 lines out.
guard · core
core active · 6 lines
- ✓ set up authentication with
Set up authentication with credentials, GitHub, and Google providers
- ✓ enforce resource ownership
Enforce resource ownership checks before any access
- ✓ implement role-based acc…
Implement role-based access control with permission gates
- ✓ validate and sanitize all
Validate and sanitize all input with Zod schemas
- ✓ configure hsts, frame op…
Configure HSTS, frame options, and other security headers
- ✓ prevent owasp top 10 ris…
Prevent OWASP Top 10 risks: injection, XSS, CSRF, and data exposure
Yours to keep.
Drag time forward. Watch what stays.
Forever
That's what owning means.
The rented stack
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Your forge
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Stop privilege escalation by verifying ownership, not just authentication
license: perpetual -
Avoid leaking account existence with 404-not-403 and generic error messages
license: perpetual -
Keep secrets out of code and sensitive fields out of responses
license: perpetual -
Block injection, XSS, and CSRF with parameterized queries and origin checks
license: perpetual
subscriptions expire · deeds don't
Everything in the box.
Pick a piece up. Watch it work.
NextAuth v5 config, route handlers, and protected-route middleware
6 parts · one working system · ships instantly by email
This wasn't forged for everyone.
- Not for you if you'd rather rent a tool than own one.
- Not for you if you want someone else to run your stack.
- Not for you if you're happy guessing.
For full-stack developers securing Next.js apps who want a concrete, layered security baseline covering auth, authorization, validation, and OWASP defenses.
then this was forged for you.Works with
Universal by design: these run in any AI. Delivered in the open Agent Skills + MCP format (native in Claude); ChatGPT, Gemini, Cursor and Copilot adapt the same files their own way.
- Claude Native format
- ChatGPT Adapts via open standards
- Gemini Adapts via open standards
- Cursor Adapts via open standards
- Copilot Adapts via open standards
Catch what's on your mind.
the air is clear. nothing between you and the forge.
catch a spark: the forge will answer
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How much of this playbook depends on NextAuth v5 and Next.js middleware, and how much can I carry to any stack?
The examples are built on NextAuth v5, route handlers, and Next.js middleware, so Next.js projects get the most direct value. Zod validation, security headers, and the OWASP principles transfer elsewhere, but you'd port the code yourself.
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We already have login, how does this stop privilege escalation beyond that?
Authentication alone isn't authorization. The patterns verify resource ownership before every access and add role-based permission gates, while the 404-not-403 convention avoids even leaking that an account exists.
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If I implement all of this, can I skip a penetration test?
No. This is a layered hardening baseline with a checklist: it raises the floor, but it doesn't replace an independent pentest or security audit. The two complement each other.
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How is it delivered?
By email right after purchase: ready to run, downloaded instantly, no setup wait.
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One-time or subscription?
A one-time purchase; no subscription or hidden fees. VAT (20%) is included.
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Can I get a refund?
As a digital product, it can’t be refunded once downloaded. That’s why we show exactly what’s inside and who it’s for, right here.