security

Found 11 articles tagged with "security"

REA: AI Reverse Engineering Tool, Tested

REA, the 304k-star reverse engineering repo, rebuilt all 121 bridge members of an Electron app exactly, then missed a webview override. GhidraMCP compared.

DevToolLab Team·October 18, 2026

Latest Articles

Tutorial

7 min

How to Identify a Device by MAC Address

The first 3 bytes of a MAC address name the chip maker in the IEEE registry. How to look one up, spot randomized phone addresses, and script it in Python or JS.

DevToolLab Team·October 13, 2026

Guide

10 min

Best MCP Security Tools in 2026

We ran Cisco MCP Scanner and NVIDIA SkillSpector on a poisoned MCP server and put agentgateway in front of it. Plus Snyk, Docker, IBM, Obot and Runlayer.

DevToolLab Team·October 12, 2026

How to Enable CORS in Express and Next.js

Tutorial

8 min

How to Enable CORS in Express and Next.js

CORS is enabled on the server, not the browser. Working Express, FastAPI and Next.js configs, how preflight works, and the six errors Chrome prints, with fixes.

DevToolLab Team·October 9, 2026

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How to Verify HubSpot Webhook Signatures

Tutorial

8 min read

How to Verify HubSpot Webhook Signatures

HubSpot signs webhooks with HMAC SHA-256 over method, URL, body and timestamp. A tested Node.js verifier, a Python cross-check and the pitfalls behind 401s.

DevToolLab Team·October 9, 2026

Tutorial

8 min read

How to Check SSL Certificate Expiration

Pipe openssl s_client into openssl x509 -enddate to see when a server's SSL certificate expires. Plus -checkend for cron, curl, Python, Node and PFX files.

DevToolLab Team·October 5, 2026

Best AI Penetration Testing Tools in 2026

Guide

10 min read

Best AI Penetration Testing Tools in 2026

Aikido, XBOW, NodeZero, RunSybil, Strix, Shannon and PentAGI compared on published prices, licenses and the one third-party head-to-head test of 2026.

DevToolLab Team·October 2, 2026

Guide

8 min read

Git SHA-256: What Changes in Git 3.0

Git 3.0 makes SHA-256 the default for new repos, with no release date yet. Check your repo's hash, create a SHA-256 repo, and see what breaks on GitHub.

DevToolLab Team·October 2, 2026

Tutorial

7 min read

How to Generate an SSH Key for GitHub

Run ssh-keygen -t ed25519, load the key into ssh-agent, paste the .pub file into GitHub, then test with ssh -T. Commands for Mac, Windows and Linux.

DevToolLab Team·October 1, 2026

Tutorial

8 min read

How to Validate a Credit Card Number

Strip spaces, check for 12 to 19 digits, run the Luhn checksum, then match the prefix to a brand. Working code in JavaScript, Python and Java, plus the errors.

DevToolLab Team·September 29, 2026

Container Security Tools Compared: Image Scanning, Runtime Defense, and Open-Source Picks

Guide

9 min read

Container Security Tools Compared: Image Scanning, Runtime Defense, and Open-Source Picks

Container security splits into three jobs that no single tool does well. We tested Trivy, Grype, Falco, Tetragon and Kubescape against the paid platforms, with real scan output and current pricing.

DevToolLab Team·September 2, 2026·Updated September 2, 2026

security

REA: AI Reverse Engineering Tool, Tested

Latest Articles

How to Identify a Device by MAC Address

Best MCP Security Tools in 2026

How to Enable CORS in Express and Next.js

More Articles

How to Verify HubSpot Webhook Signatures

How to Check SSL Certificate Expiration

Best AI Penetration Testing Tools in 2026

Git SHA-256: What Changes in Git 3.0

How to Generate an SSH Key for GitHub

How to Validate a Credit Card Number

Container Security Tools Compared: Image Scanning, Runtime Defense, and Open-Source Picks