Tech Skills
Cybersecurity
Ethical hacking, penetration testing, network security, CTFs and defensive security
Skills in this topic
8 skills — Sign in to track your progress
Security Basics
beginner
Fix OWASP top 10 vulnerabilities
AI Security
intermediate
Identify and patch prompt injection vulnerabilities
Network Security
intermediate
Configure a firewall with proper inbound/outbound rules
Ethical Hacking & Pen Testing
intermediate
Conduct a full pen test with Kali Linux
Cloud Security
intermediate
Implement IAM least-privilege policies on AWS/GCP
Incident Response
intermediate
Build an incident response playbook
Security Compliance
intermediate
Map controls for SOC 2 Type II compliance
Defensive AI
advanced
Build an AI-powered log anomaly detector

Dev.to · Ria saraswat
🔐 Cybersecurity
⚡ AI Lesson
4d ago
Authentication vs Authorization in Cloud Security: Understanding the Difference 🔥
When we use applications like Gmail, Netflix, or online banking, we rarely think about the security...

Dev.to · MD MUFTHAKHERUL ISLAM MIRAZ
🔐 Cybersecurity
⚡ AI Lesson
4d ago
Introducing Siyarix v1.0.0 — An Open-Source AI-Powered Cybersecurity Orchestration Framework
Today I'm excited to announce the first stable release of Siyarix (v1.0.0)! Siyarix is an...

Dev.to · Pavel Espitia
🔐 Cybersecurity
⚡ AI Lesson
4d ago
Detecting Supply-Chain Malware Without Running the Code
After I got targeted by a fake-job-interview repo designed to steal my keys, I built a scanner that...

Dev.to · bore.ddev
🔐 Cybersecurity
⚡ AI Lesson
4d ago
Stop Pasting Your JWT Tokens Into Random Websites
I built a 21-tool developer toolkit that runs entirely in your browser. No servers. No sign-ups. No...

Dev.to · Arashad Dodhiya
🔐 Cybersecurity
⚡ AI Lesson
4d ago
Browser Security Model: The Defensive Walls Every Hacker Knows (And Every Developer Should Too)
"To defend a system, you must first think like the attacker." I'll tell you this: the browser is...

Dev.to · Ahad pro Gamer
🔐 Cybersecurity
⚡ AI Lesson
4d ago
Why I'm Building a Decentralized Anti-Cheat Instead of Another Plugin
When most people think about anti-cheat, they think about kernel drivers, signature scanning, or...

Dev.to · Haven Messenger
🔐 Cybersecurity
⚡ AI Lesson
4d ago
5G Subscriber Privacy: How SUCI Concealment Fights IMSI-Catchers
For more than two decades, when your phone introduced itself to a cell tower it could be made to...

Dev.to · Renato Marinho
🔐 Cybersecurity
⚡ AI Lesson
4d ago
Security triage shouldn't happen in another browser tab.
Stop context-switching between security dashboards and your IDE. Learn how using an MCP server for Contrast Security can transform vulnerability triage from a m

Dev.to · Newzlet
🔐 Cybersecurity
⚡ AI Lesson
4d ago
PeopleSoft Zero-Day: Why the 2-Week Gap Is the Real Risk
What Happened: ShinyHunters Found a Door Oracle Left Open ShinyHunters, one of the most...

Dev.to · Newzlet
🔐 Cybersecurity
⚡ AI Lesson
4d ago
Are Microsoft Signed Packages Safe? 73 Were Not
What Actually Happened: 73 Signed Packages, One Nasty Surprise Late last week, 73 open...

Dev.to · Oleksii Antoniuk
🔐 Cybersecurity
⚡ AI Lesson
4d ago
Hunting Digital Chameleons: How We Defeated Botnets in Laravel v2.4.0
In the world of web traffic, there’s a simple rule: if it looks like a regular user, walks like a...

Dev.to · Daniel Isaac E
🔐 Cybersecurity
⚡ AI Lesson
4d ago
The Internet's Biggest Lie: Your Password Is Never Actually Verified
What if I told you that the password you type during login is never actually compared with the one...

Dev.to · Abel Fernando PACOMPIA ORTIZ
🔐 Cybersecurity
⚡ AI Lesson
4d ago
Applying Checkov SAST to Detect Security Issues in Terraform Infrastructure as Code
Introduction Security issues in cloud infrastructure often start as small configuration...

Dev.to · Cory Dabrowski
🔐 Cybersecurity
⚡ AI Lesson
4d ago
Certifying something on-chain without revealing it: privacy attestation on Midnight
I built Grid Audit, a tool that reviews Midnight code and then lets you certify that review on-chain....

Dev.to · Red Masil
🔐 Cybersecurity
⚡ AI Lesson
4d ago
Malware on Your Machine: A Developer's Complete Incident Response Guide
🛡️ Your Computer Got Infected — Now What? A Developer's Survival Guide to Malware...

Dev.to · v. Splicer
🔐 Cybersecurity
⚡ AI Lesson
4d ago
Sandboxing Reality: How to Spoof iPhone Locations for Advanced Penetration Testing
Listen up. If you’re still playing by the rules Apple wrote for you, you aren’t testing security....

Dev.to · b0gy
🔐 Cybersecurity
⚡ AI Lesson
4d ago
Your cloud keys should not exist
Most cloud platforms that need access to your infrastructure start with the same onboarding step:...

Dev.to · MrEchoFi
🔐 Cybersecurity
⚡ AI Lesson
4d ago
BannerGrapV2 — The Open-Source Network Recon Tool Built in Go That Security Professionals Actually Need
BannerGrapV2 is a blazing-fast, multi-protocol banner grabbing and vulnerability discovery tool written in Go. Real-world commands for pentesters, red teamers,
Simon Willison's Blog
🔐 Cybersecurity
⚡ AI Lesson
5d ago
Incident Report: CVE-2026-LGTM
Incident Report: CVE-2026-LGTM Spectacular hypothetical incident report by Andrew Nesbitt. Day 2, 16:00 UTC --- Two AI review agents from competing vendors, bot

Dev.to · ToolMight
🔐 Cybersecurity
⚡ AI Lesson
5d ago
# Stop Uploading Sensitive Data to Online Tools: Use Browser-Based Developer Utilities Instead
As developers, we often copy and paste sensitive data into online tools without thinking twice. JWT...

Dev.to · gabinotech22-cmyk
🔐 Cybersecurity
⚡ AI Lesson
5d ago
How AegisLink's handshake survives a quantum computer (X3DH + ML-KEM-768)
In my first post in this series I said the next one would go deep on the handshake. This is it. If...

Dev.to · Satyam Rastogi
🔐 Cybersecurity
⚡ AI Lesson
5d ago
Cal Water Handala Attack: OT Containment Analysis & Attacker Motivation
Handala's Cal Water intrusion demonstrates classic attacker posturing: threat inflation to maximize pressure during extortion. Forensic analysis revea

Dev.to · Khalif AL Mahmud
🔐 Cybersecurity
⚡ AI Lesson
5d ago
Reverse Engineering a Windows Keylogger with IDA Pro: Assembly-Level Deep Dive
When I first loaded msdsrv.exe into IDA Pro, I had no idea what I was dealing with. No strings, no...

Dev.to · Stefan
🔐 Cybersecurity
⚡ AI Lesson
5d ago
Real-World CVE HTTP Request Smuggling Apache mod_proxy Example
A reproducible walkthrough of CVE-2022-26377, a request smuggling desync in Apache mod_proxy_ajp, plus the upstream patch and config hardening that close it.

Dev.to · techpotions
🔐 Cybersecurity
⚡ AI Lesson
5d ago
78% False Negatives: Your AI Security Scanner Is Gaslighting You
A 78% false negative rate means automated AI scanners are missing real vulnerabilities. Understand why these tools fail and how to build a defense-in-depth stra

Dev.to · Adrian Alexandru Stinga
🔐 Cybersecurity
⚡ AI Lesson
5d ago
Last month I saw something I haven’t seen in 18 years of dark web and underground monitoring.
The underground is changing faster than the security industry is adapting. Here’s what nearly two...

Dev.to · Ajitesh
🔐 Cybersecurity
⚡ AI Lesson
5d ago
Cybersecurity Roadmap
Introduction: Cybersecurity is one of the most in-demand fields on the planet - and also one of the...

Dev.to · Teller
🔐 Cybersecurity
⚡ AI Lesson
5d ago
MCP Trust Pack: a security layer for MCP tool calls
MCP Trust Pack: a security layer for MCP tool calls MCP makes it easy for agents to call...

Dev.to · Devanshu Biswas
🔐 Cybersecurity
⚡ AI Lesson
5d ago
I Built a JWT Playground That Re-signs Tokens With Real HMAC-SHA256
Most JWT explainers cheat. They show you header.payload.signature, point at the third part, and say...

Dev.to · Tommy
🔐 Cybersecurity
⚡ AI Lesson
5d ago
What actually visits a self-hosted website in 2026? Humans, AI crawlers, and 6,400 automated attacks
I run a small self-hosted website on a Raspberry Pi 4B at home. A few weeks ago I started wondering:...

Dev.to · Dwayne McDaniel
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Protecting Developers Means Protecting Their Secrets
When most people think of "Enterprise Security," they immediately think of hardened data centers,...

Dev.to · Spicy
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Your Baby Monitor's Biggest Security Flaw Isn't Hackers. It's the Company That Built It.
In May 2026, a French ethical hacker named Sammy Azdoufal bought a baby monitor off Amazon and spent...

Dev.to · Ebendttl
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Demystifying Zero-Knowledge Proofs: Constructing a ZK-SNARK Verifier from First Principles
A mathematical deep-dive into Rank-1 Constraint Systems, Quadratic Arithmetic Programs, and implementing a cryptographic SNARK verifier in TypeScript.

Dev.to · Plugecon
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Hello DEV! I'm Plugecon — security developer
Hey DEV community! I'm Plugecon, a security-focused developer working with C/C++, Python, PHP and...

Dev.to · Nexconn
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Implementing Chat End-to-End Encryption (E2EE): A Technical Guide to X3DH and Double Ratchet
Claims of "security" are everywhere, but very few chat APIs actually walk the walk. Most offerings...

Dev.to · Lolo
🔐 Cybersecurity
⚡ AI Lesson
6d ago
The Security Bug Every Node.js Developer Ships to Production
Last year I was doing a code review for a startup. Everything looked fine on the surface, clean code,...

Dev.to · isabelle dubuis
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Secrets sprawl: how we cleaned up 412 leaked tokens and stopped the latency bleed
When a CI pipeline failed at 02:13 AM on March 3, we discovered that 412 distinct API tokens had been...

Dev.to · Khalif AL Mahmud
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Before You Hack Anything — How Penetration Testers Define Scope and Rules of Engagement
Most people think penetration testing starts with running tools — Nmap, Metasploit, Burp Suite. But...

Dev.to · Vulert
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Monorepo Dependency Security — Vulnerability Scanning Across Packages
A monorepo can look like one repository, but security teams should treat it as many applications...

Dev.to · Developer Service
🔐 Cybersecurity
⚡ AI Lesson
6d ago
Should Your App Adopt Passkeys?
Someone on your leadership team asked a reasonable question: should we adopt passkeys? You searched...

Dev.to · Khalif AL Mahmud
🔐 Cybersecurity
⚡ AI Lesson
6d ago
How I Used Wireshark to Dissect a Real TCP Connection — From Handshake to Teardown
Most people who study networking learn TCP from diagrams and textbooks. But there is a real...

Dev.to · Colin Easton
🔐 Cybersecurity
⚡ AI Lesson
6d ago
N Green Checks Can Be One Bit: Counting Independence You Can Actually Check
There's a move almost every trust system makes, and it's quietly broken. You have a thing you want...

Dev.to · slavas-dev
🔐 Cybersecurity
⚡ AI Lesson
6d ago
How I built an end-to-end encrypted pastebin (and why the server can’t read your text)
got annoyed that pastebin and similar sites log everything and keep your text forever, so i built one...

Dev.to · Jaime trejo
🔐 Cybersecurity
⚡ AI Lesson
6d ago
55,000 fake signups in one night: a bot-detection post-mortem
We sell bot detection. Last night I opened our database and found 555 pages of fake signups. This is...

Dev.to · Satyam Rastogi
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Tata Electronics Breach: Supply Chain RCE & Data Exfiltration TTPs
Tata Electronics confirmed cyberattack targeting IT infrastructure with confirmed data exfiltration. Analysis of attack surface, lateral movement chai

Dev.to · Takafumi Endo
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Your Fuzzer Is Only as Smart as Its Oracle
A migration passed every check — then I saw the path it took: DROP TABLE; CREATE TABLE. Randomness doesn't find bugs, oracles do. What AI made cheap in dev-tool

Dev.to · Amanur Rahman
🔐 Cybersecurity
⚡ AI Lesson
1w ago
WordPress Site Hacked? Here's How to Recover It Fast
Discovering your WordPress site has been hacked is one of the worst feelings for any website owner....

Dev.to · RV
🔐 Cybersecurity
⚡ AI Lesson
1w ago
Essential Ransomware Prevention for Small Businesses: A Comprehensive Guide by Test WS
--- title: "Essential Ransomware Prevention for Small Businesses: A Comprehensive...
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