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 · Sahir
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Your tamper-evident log can still be backdated. Here's what closes that.
Most audit trail implementations record timestamps as fields in the log. The agent sets them, or the...

Dev.to · Team Cargoffer
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Authentication Patterns for Multi-Tenant Microservices in TRANSCEND
Learn how TRANSCEND handles service-to-service auth, JWT normalization, and multi-tenant isolation across its microservices architecture.

Dev.to · CVE Reports
🔐 Cybersecurity
⚡ AI Lesson
2w ago
CVE-2026-53850: CVE-2026-53850: Missing Authorization in OpenClaw focus Command Control Scope Enforcement
CVE-2026-53850: Missing Authorization in OpenClaw focus Command Control Scope...

Dev.to · Stefan
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Fix HTTP Parameter Pollution: Spring Boot REST API Code Review
A code review walkthrough for fixing HTTP Parameter Pollution in a Spring Boot REST API, with vulnerable and patched controller examples.

Dev.to · CVE Reports
🔐 Cybersecurity
⚡ AI Lesson
2w ago
CVE-2026-53849: CVE-2026-53849: Privilege Escalation and Authentication Bypass via Mutable Discord Display Names in OpenClaw allowFrom
CVE-2026-53849: Privilege Escalation and Authentication Bypass via Mutable Discord Display...

Dev.to · CVE Reports
🔐 Cybersecurity
⚡ AI Lesson
2w ago
CVE-2026-53858: CVE-2026-53858: Local Code Execution via Untrusted Search Path in OpenClaw
CVE-2026-53858: Local Code Execution via Untrusted Search Path in OpenClaw Vulnerability...

Dev.to · CVE Reports
🔐 Cybersecurity
⚡ AI Lesson
2w ago
CVE-2026-53865: CVE-2026-53865: Arbitrary Local Command Execution in OpenClaw via Untrusted Search Path
CVE-2026-53865: Arbitrary Local Command Execution in OpenClaw via Untrusted Search...

Dev.to · Husnain Babar
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Detect VPNs, Proxies, and Bots in Your Web App: A Practical Guide
Every login attempt on your app could be a real user — or a bot running through a residential proxy...

Dev.to · christopher adams
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Why Your Security Stack Would Never See It Coming
Why Your Security Stack Would Never See It Coming by Christopher Adams Imagine a...

Dev.to · Maxi
🔐 Cybersecurity
⚡ AI Lesson
2w ago
The Honour System Running Your Phone's Speaker
Part one of a short series on who actually controls the audio coming out of your Android phone, and...

Dev.to · g.okc
🔐 Cybersecurity
⚡ AI Lesson
2w ago
How a modular arithmetic oversight turned a cryptographic primitive into a no-op — and what we did about it.
The silent bug that made our post-quantum signatures accept everything How a modular...

Dev.to · TiltedLunar123
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Most Security+ port questions are secretly asking one thing
If your SY0-701 study plan includes a stack of 40 port flashcards, I want to save you some time. You...

Dev.to · soy
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Supply Chain Malware, CLI Auth Hardening, & GitHub App Security
Supply Chain Malware, CLI Auth Hardening, & GitHub App Security Today's...

Dev.to · Falcons Edge
🔐 Cybersecurity
⚡ AI Lesson
2w ago
RSAC 2026 Prep: Zero Trust Mandates and the Microsegmentation Imperative
With RSA Conference preparations underway, one topic dominates pre-show conversations: the cascade of...

Dev.to · Ambitious Foreman
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Network namespaces are the right answer to per-process VPN on Linux
Or: how I almost locked myself out of my own EC2 box, and the guard that fixed it. I needed one...

Dev.to · Tochukwu Nwosa
🔐 Cybersecurity
⚡ AI Lesson
2w ago
How I Found and Fixed an Open Redirect Vulnerability in My Startup
While reviewing parts of the MyTreda codebase recently, I came across a security issue that wasn't...

Dev.to · Florian Lenz
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Break Glass Accounts in Azure: Why You Need Them, How to Set Them Up, and What to Do When One Is Used
TL;DR A break glass account is a standalone, cloud-only Global Administrator account in Microsoft...

Dev.to · Wallet Guy
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Non-Root Docker Security: Running AI Agent Wallets as UID 1001
Non-Root Docker Security: Running AI Agent Wallets as UID 1001 Would you trust a third...

Dev.to · Victor Gutierrez Areyzaga
🔐 Cybersecurity
⚡ AI Lesson
2w ago
The Service That Stored Nothing Sensitive But Still Became High Priority
I kept noticing a mismatch between how defenders prioritize assets and how attackers actually move...

Dev.to · KL3FT3Z
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Flibustier: Why We Built a Container Security Auditor in Pure Bash
"A lightweight, zero-dependency container runtime audit toolkit designed for redteam operations. No...

Dev.to · Tom Brown
🔐 Cybersecurity
⚡ AI Lesson
2w ago
How to make production ready OTP handling system
Handling an OTP (One-Time Password) flow requires a clean sequence so you don't run into race...

Dev.to · jomynn
🔐 Cybersecurity
⚡ AI Lesson
2w ago
I built a free IDE extension to catch malicious npm packages before they wreck your project
Supply-chain attacks via npm are up year-over-year — packages like event-stream, the Lazarus group...

Dev.to · Odilon HUGONNOT
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Exponential Backoff Lockout: Stopping Brute Force Without Leaking Account Existence
First N failures are silent, then exponential backoff capped at 15 min. Why the status code must never distinguish locked vs wrong creds, and how to reset prope

Dev.to · Hero Tech
🔐 Cybersecurity
⚡ AI Lesson
2w ago
How I Almost Let Claude Drop My Production Database — And Built a Safety Net in C#
Last month, I did something stupid. I connected Claude Desktop to my company's SQL Server database...

Dev.to · Truffle
🔐 Cybersecurity
⚡ AI Lesson
2w ago
A passing security audit is a timestamp, not a verdict
My CI security audit flipped from green to red with no code change of mine. The advisory database is a live input to your build, so a passing audit dates faster

Dev.to · Satyam Rastogi
🔐 Cybersecurity
⚡ AI Lesson
2w ago
JetBrains Marketplace Supply Chain Attack: 15 Malicious AI Plugins & API Key Exfiltration
Security researchers identified 15 malicious JetBrains plugins masquerading as DeepSeek AI assistants. Attack chain harvests API keys, exfiltrates LLM

Dev.to · Odilon HUGONNOT
🔐 Cybersecurity
⚡ AI Lesson
2w ago
CSRF: Why Double-Submit Cookie Falls Short for Financial-Grade Security
Synchronizer token server-side vs double-submit cookie: when the latter fails, why middleware wire-order matters, and how to handle JS non-form requests.

Dev.to · AKIM SOUILAH
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Faille de sécurité du module PrestaShop ps_facetedsearch
🚨 Alerte sécurité PrestaShop 🛡️ Faille critique du module ps_facetedsearch : votre boutique...

Dev.to · limack0
🔐 Cybersecurity
⚡ AI Lesson
2w ago
I stopped trusting curl | sh — so I built a tool that reads the script first
Every developer has done it. You hit a README, you see the install command: curl -fsSL...

Dev.to · Sanskriti Harmukh
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Deploying Authelia Open-Source Authentication and Authorization Gateway on Ubuntu 24.04
Authelia is an open-source authentication and authorization gateway that adds SSO, two-factor...

Dev.to · Dwayne McDaniel
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Extending Our Mission With Developer Endpoint Protection
Since day one, our mission at GitGuardian has been clear: prevent accidental secret exposure and...

Dev.to · Brandon
🔐 Cybersecurity
⚡ AI Lesson
2w ago
I added a Claude Code command that runs an OWASP security audit on any file before I ship it
Security reviews happen at the end of projects, when it is too late to change anything without pain....

Dev.to · Razu Kc
🔐 Cybersecurity
⚡ AI Lesson
2w ago
I pointed capgate at Damn Vulnerable MCP. Here's what it caught — and what it couldn't.
A capability-compiler meets ten deliberately-broken MCP servers. The honest scorecard: it cleanly stops one class, contains several, and is useless against anot

Dev.to · yobox
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Disposable Email vs Real Email vs Aliases: Which Should You Use?
If "just use a temp email" or "just use Gmail" felt like sufficient advice in 2015, it doesn't...

Dev.to · TiltedLunar123
🔐 Cybersecurity
⚡ AI Lesson
2w ago
I couldn't test my VM sizing math without spinning up a real VM
WhonixAutoSetup is a PowerShell project i keep poking at while studying for Security+. it stands up...

Dev.to · TiltedLunar123
🔐 Cybersecurity
⚡ AI Lesson
2w ago
How Security+ actually tests access control models (and why memorizing the definitions doesn't save you)
If you have studied for the SY0-701 exam for more than a week, you can probably recite the four...
Dev.to · Juan Torchia
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Cómo difieren los CVEs de memory safety entre Rust y C/C++
Rust tiene menos CVEs de memoria que C/C++, pero eso no es toda la historia. Mi análisis de qué dice ese dato, qué no dice, y cómo convertirlo en una decisión t

Dev.to · PolicyLayer
🔐 Cybersecurity
⚡ AI Lesson
2w ago
MCP Authentication: Securing How Agents and Servers Connect
Every MCP server you connect to expects a credential. Stripe wants an API key. A GitHub server wants...

Dev.to · Jérôme LELEU
🔐 Cybersecurity
⚡ AI Lesson
2w ago
JWKS explained: what every developer should know
When it comes to security, certificates are used everywhere since the early days of the web. While...

Dev.to · Jon Rose
🔐 Cybersecurity
⚡ AI Lesson
2w ago
The Hidden ROI of Cloud Security Hygiene
We regularly find $5,000 to $10,000 per month in abandoned infrastructure during our first few weeks...

Dev.to · Haven Messenger
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Lattice-Based Cryptography: The Math Behind Post-Quantum Security
When NIST chose the algorithms meant to protect the internet from quantum computers, most of the...

Dev.to · Aviral Srivastava
🔐 Cybersecurity
⚡ AI Lesson
2w ago
WAF (Web Application Firewall) Rules and Evasion
Alright, buckle up, digital adventurers! We're about to dive deep into the fascinating, and sometimes...

Dev.to · Stefan Iancu
🔐 Cybersecurity
⚡ AI Lesson
2w ago
An EU E2B alternative: agent sandboxes that stay in the EU
If you're shopping for an E2B alternative, you've probably already decided that running...

Dev.to · hiyoyo
🔐 Cybersecurity
⚡ AI Lesson
2w ago
AES-256-GCM Encryption in Rust — Securing Local App Data
All tests run on an 8-year-old MacBook Air. All results from shipping 7 Mac apps as a solo developer....

Dev.to · Matsuoka Seiji
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Introducing Security Profiles for Container Permission Management
Introduction In this article, I want to introduce Security Profiles, a feature I added to...

Dev.to · Alex
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Why Most Phishing Detection Tools Fail Non-Technical Users
A few months ago, I noticed something interesting. Most phishing detection tools are built for...

Dev.to · Odilon HUGONNOT
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Multi-Audience mTLS: 3 SNI Hosts, 1 Listener, and Session Cert Binding Against Cookie Theft
A single TLS port serving three hosts via SNI with different ClientAuth levels. Plus the session cert binding pattern to block cookie replay attacks.

Dev.to · 0xkniraj
🔐 Cybersecurity
⚡ AI Lesson
2w ago
Baiting the Hook: Anatomy of a DPRK Cyberattack Trailed to My Inbox
It came in through my own contact form, which is part of why it worked. Not a LinkedIn cold-open, not...
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