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 · Chintan Shah
🔐 Cybersecurity
⚡ AI Lesson
4w ago
How to Scan for Hardcoded Secrets in a Node.js Project (GitHub Actions Guide)
Hardcoded API keys in source code are one of the most common security mistakes in Node.js projects....

Dev.to · Adam
🔐 Cybersecurity
⚡ AI Lesson
4w ago
Supply-Chain Sirens and Agent Upgrade Fever
This week opens with a full-on supply-chain thriller: Ars Technica details TeamPCP poisoning hundreds...

Dev.to · Alex Chen
🔐 Cybersecurity
⚡ AI Lesson
4w ago
Web Security Basics Every Developer Must Know (2026)
Web Security Basics Every Developer Must Know (2026) Security isn't a feature you add...

Dev.to · Alex Chen
🔐 Cybersecurity
⚡ AI Lesson
4w ago
Web Security: OWASP Top 10 and How to Fix Them (2026)
Web Security: OWASP Top 10 and How to Fix Them (2026) Security isn't a feature you add...

Dev.to · cardoso
🔐 Cybersecurity
⚡ AI Lesson
4w ago
From POC to Patch: Analyzing the Contest Gallery 28.1.4 Vulnerability
The Contest Gallery WordPress plugin, version 28.1.4, contains a critical Boolean-Blind SQL Injection...

Dev.to · Thomas Simmer
🔐 Cybersecurity
⚡ AI Lesson
4w ago
I Built a Cyberpunk Forensics Simulator to Teach Blue Team Thinking
Most security tools teach you to attack. I wanted to build something that teaches you to...

Dev.to · Max
🔐 Cybersecurity
⚡ AI Lesson
4w ago
Your Online SQL Formatter Might Be Logging Your Database Password
Server-side dev tools quietly POST whatever you paste — including credentials — to a backend. Here's the threat model, and a 2-minute way to verify any tool is

Dev.to · Bhilal. Chitou
🔐 Cybersecurity
⚡ AI Lesson
4w ago
Building a Proactive Network Guardian: Deep Dive into Sentinelle (MIRAGE Project)
Traditional network security often acts like a security camera: it records the "crime" (an intrusion)...

Dev.to · Specs
🔐 Cybersecurity
⚡ AI Lesson
4w ago
From 4GB Ceiling To Modern Exploits: Why 32-bit Architecture Is Still A Security Problem
Modern cybersecurity is a war of probability, fought on a battlefield designed decades ago. Here,...

Dev.to · Shaid Hasan Shawon
🔐 Cybersecurity
⚡ AI Lesson
4w ago
From CVE Matching to Exploit Validation: How Vulnerability Scanners Are Evolving
I’ve been integrating OnScanner into my workflow recently as part of external security assessment and...

Dev.to · Dennis Kim
🔐 Cybersecurity
⚡ AI Lesson
4w ago
5 Million Exposed, 130 Thousand Aware — The TVING Data Breach and the Dark-Pattern Notification
id CTI-2026-0604-TVING title 5 Million Exposed, 130 Thousand Aware — The TVING Data Breach and...

Dev.to · Arashad Dodhiya
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
How Traffic Actually Moves Between Your Host and Virtual Machines
Most cybersecurity beginners can build a lab. They install: Windows VirtualBox Kali...

Dev.to · TuanPK Builds
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Why Is Codex Asking Some Users for Phone Verification?
Why Is Codex Asking Some Users for Phone Verification? Over the past few days, I've noticed an...

Dev.to · barış keçeci
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
How We Built a Multilingual Cyber Threat Intelligence Platform From Turkey
By Baris Kececi, Founder & CTO at GNSAC Information Technologies In 2021, I founded GNSAC with a...

Dev.to · Chris Ray
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Your ATT&CK Heatmap Is Counting Rules, Not Coverage
Every detection vendor ships a MITRE ATT&CK heatmap, and every one of them is mostly green. Broad...

Dev.to · Yano.AI Technologies Inc.
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Why Philippine SMEs Must Prioritize Cybersecurity in 2026
The digital transformation of small and medium enterprises in the Philippines has accelerated...

Dev.to · SimpleDrop-Free&Secure File Sharing
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Zero Trust Isn't Just for Enterprises: What Developers Need to Know About Sharing Files in 2026
Hey folks! 👋 As developers, we’re constantly sharing files—configuration snippets, build artifacts,...

Dev.to · Constanza Diaz
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Security by Design: Keeping API Tokens Out of Git with a 3-Layer Setup
When you build a product whose entire reason to exist is safety, security can't be something you bolt...

Dev.to · Satyam Rastogi
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Windows Netlogon RCE: Active Exploitation & Attacker TTPs
Windows Netlogon RCE flaw actively exploited in attacks. Analysis of attack vectors, exploitation techniques, detection evasion methods, and hardening

Dev.to · WinstonRedGuard
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Why your OSINT tool lies to you
Open almost any OSINT tool, run a username, and you get a wall of green checkmarks. Found on 40...

Dev.to · Saumya Aggarwal
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
From WordPress Login to Root - A Full Pentesting Lab Walkthrough
⚠️ Disclaimer: Everything here was done in an isolated virtual lab environment (VirtualBox VMs with...

Dev.to · Ayxan
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Identify CWEs
Vulnerability Analysis: Python/SQLite Code Snippet1. Identified CWECWE-89: Improper Neutralization of...

Dev.to · Vávra Tomáš
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Device Code Flow: The Overlooked Phishing Vector (And How to Block It)
Device Code Flow abuse is not a new technique. Security teams have known for some time that this...

Dev.to · Michael Laweh
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Webhook Security 101: Why You Should Never Trust an Incoming Payload
In the modern digital landscape, webhooks are the unsung heroes, silently powering real-time data...

Dev.to · varun varde
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
What are some best practices for pipeline security?
Software development has undergone a remarkable transformation over the past decade. Continuous...

Dev.to · Constanza Diaz
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Security by Design: Keeping API Tokens Out of Git with a 3-Layer Setup
When you build a product whose entire reason to exist is safety, security can't be something you bolt...

Dev.to · Constanza Diaz
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Security by Design: Keeping API Tokens Out of Git with a 3-Layer Setup
When you build a product whose entire reason to exist is safety, security can't be something you bolt...

Dev.to · Freento
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
The Ghost Endpoint: How an Undocumented Magento 2 REST Route Bypasses reCAPTCHA
Imagine waking up to a Slack alert showing 200+ failed payment transactions per hour on a production...

Dev.to · Ayxan
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Analyzing Vulnerability Trends
Vulnerability Trend Analysis (Linux Kernel, 2026)Based on the data captured through May 2026, we can...

Dev.to · Ayxan
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Understanding a Vulnerability
Summary: CVE-2021-34527 ("PrintNightmare")Vulnerability Overview:CVE-2021-34527 is a critical remote...

Dev.to · Ayxan
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Relationship between CWE, CVE, and CVSS
The CWE, CVE, and CVSS frameworks form a unified language for the cybersecurity industry. While each...

Dev.to · Ayxan
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
How CWE taxonomy helps in vulnerability assessment and risk management
The Common Weakness Enumeration (CWE) taxonomy is more than just a catalog; it is the structural...

Dev.to · v. Splicer
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
The Flipper Zero Features Nobody Tells You About (Until You Read the Source Code)
Most Flipper Zero tutorials cover the same thirty seconds of content. Sub-GHz replay, basic RFID...

Dev.to · Arashad Dodhiya
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Intercept Is On: The First Time You Take Control of Web Traffic(#5)
So far in this series, we've learned: ✓ What Burp Suite is ✓ How to install it ✓ How the Proxy...

Dev.to · Leonid Bugaev
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Security by obscurity is dead. Three things killed it at the same time.
For years, “we’re not a bank, we don’t need that level of security” was a defensible posture. Most...

Dev.to · Rençber AKMAN
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Stage 1.3 — TCP/IP Model
From Zero to Cybersecurity Professional | Complete Roadmap Series Series: Cybersecurity ×...

Dev.to · Yogeshwar Peela
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
CTF Writeup: Resident Evil Mansion - TryHackMe
Difficulty: Easy Theme: Resident Evil 1 (1998) Overview A Resident Evil–themed web CTF...

Dev.to · TiltedLunar123
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
My Windows audit tool flagged rundll32 as suspicious. It was right, and useless.
I built a thing called WinRecon. it's a python script that audits a windows box and hands you back a...

Dev.to · Davide De Sio
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
KiroGraph-Sec: From AWS Summit Milano Slides, Through Kiro Specs, to a Cybersecurity Feature
This is the third part of my "Build in Public with Kiro" series. I'm an AWS Community Builder, and...

Dev.to · Arashad Dodhiya
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
How Hackers See a Website (Hint: Not Like You Do)
Open your favorite website. Maybe it's a social media platform. Maybe it's an online store. Maybe...

Dev.to · Haji Rufai
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
I Implemented AES-128 from Scratch and Built a Secrets Vault in Python
Most developers import cryptography or pycryptodome and call it a day. I wanted to understand what...

Dev.to · Saint Zero Day
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
It ran it works: I audited my own security platform and found a detection engine that never ran
I build a security platform. Last night I stopped adding features and did something less fun and more...

Dev.to · Liandanxia
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
I Reverse Engineered a Nuxt 3 Login Flow and Got Fooled by an MD5 Magic Number
This is not a guide about bypassing login. It is a reverse engineering write-up: how I started from...

Dev.to · Hello Cerbi
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Is Logging Governance Actually Needed?
Most teams do not think about logging governance until something bad happens. A customer ID gets...

Dev.to · M Isaac
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Secure GitHub or any MCP Server with Okta via AgentCore Gateway
I've spent much of this year thinking about how to help teams adopt AI. MCPs have become a big part...

Dev.to · Eli
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Popular Google Sheets ChatGPT Plugin Quietly Transmits User Data
Security researchers uncover how a widely-used AI integration leaks sensitive spreadsheet contents to external servers.

Dev.to · Rençber AKMAN
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
Stage 1.2 — The OSI Model
From Zero to Cybersecurity Professional | Complete Roadmap Series Series: Cybersecurity ×...

Dev.to · Geovane Oliveira
🔐 Cybersecurity
⚡ AI Lesson
1mo ago
How I passed the AWS Security Specialty and how you can too
Introduction to AWS certifications First things first, lets understand what the AWS...
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