Tech Skills

Cybersecurity

Ethical hacking, penetration testing, network security, CTFs and defensive security

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Skills in this topic
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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
All Reads (10,976) Articles (5438)Blog Posts (4276)Tutorials (388)Research Papers (34)News (840)
How to Scan for Hardcoded Secrets in a Node.js Project (GitHub Actions Guide)
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....
Supply-Chain Sirens and Agent Upgrade Fever
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...
Web Security Basics Every Developer Must Know (2026)
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...
Web Security: OWASP Top 10 and How to Fix Them (2026)
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...
From POC to Patch: Analyzing the Contest Gallery 28.1.4 Vulnerability
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...
I Built a Cyberpunk Forensics Simulator to Teach Blue Team Thinking
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...
Your Online SQL Formatter Might Be Logging Your Database Password
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
Building a Proactive Network Guardian: Deep Dive into Sentinelle (MIRAGE Project)
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)...
From 4GB Ceiling To Modern Exploits: Why 32-bit Architecture Is Still A Security Problem
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,...
From CVE Matching to Exploit Validation: How Vulnerability Scanners Are Evolving
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...
5 Million Exposed, 130 Thousand Aware — The TVING Data Breach and the Dark-Pattern Notification
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...
How Traffic Actually Moves Between Your Host and Virtual Machines
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...
Why Is Codex Asking Some Users for Phone Verification?
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...
How We Built a Multilingual Cyber Threat Intelligence Platform From Turkey
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...
Your ATT&CK Heatmap Is Counting Rules, Not Coverage
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...
Why Philippine SMEs Must Prioritize Cybersecurity in 2026
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...
Zero Trust Isn't Just for Enterprises: What Developers Need to Know About Sharing Files in 2026
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,...
Security by Design: Keeping API Tokens Out of Git with a 3-Layer Setup
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...
Windows Netlogon RCE: Active Exploitation & Attacker TTPs
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
Why your OSINT tool lies to you
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...
From WordPress Login to Root - A Full Pentesting Lab Walkthrough
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...
Identify CWEs
Dev.to · Ayxan 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Identify CWEs
Vulnerability Analysis: Python/SQLite Code Snippet1. Identified CWECWE-89: Improper Neutralization of...
Device Code Flow: The Overlooked Phishing Vector (And How to Block It)
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...
Webhook Security 101: Why You Should Never Trust an Incoming Payload
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...
What are some best practices for pipeline security?
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...
Security by Design: Keeping API Tokens Out of Git with a 3-Layer Setup
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...
Security by Design: Keeping API Tokens Out of Git with a 3-Layer Setup
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...
The Ghost Endpoint: How an Undocumented Magento 2 REST Route Bypasses reCAPTCHA
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...
Analyzing Vulnerability Trends
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...
Understanding a Vulnerability
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...
Relationship between CWE, CVE, and CVSS
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...
How CWE taxonomy helps in vulnerability assessment and risk management
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...
The Flipper Zero Features Nobody Tells You About (Until You Read the Source Code)
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...
Intercept Is On: The First Time You Take Control of Web Traffic(#5)
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...
Security by obscurity is dead. Three things killed it at the same time.
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...
Stage 1.3 — TCP/IP Model
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 ×...
CTF Writeup: Resident Evil Mansion - TryHackMe
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...
My Windows audit tool flagged rundll32 as suspicious. It was right, and useless.
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...
KiroGraph-Sec: From AWS Summit Milano Slides, Through Kiro Specs, to a Cybersecurity Feature
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...
How Hackers See a Website (Hint: Not Like You Do)
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...
I Implemented AES-128 from Scratch and Built a Secrets Vault in Python
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...
It ran it works: I audited my own security platform and found a detection engine that never ran
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...
I Reverse Engineered a Nuxt 3 Login Flow and Got Fooled by an MD5 Magic Number
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...
Is Logging Governance Actually Needed?
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...
Secure GitHub or any MCP Server with Okta via AgentCore Gateway
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...
Popular Google Sheets ChatGPT Plugin Quietly Transmits User Data
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.
Stage 1.2 — The OSI Model
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 ×...
How I passed the AWS Security Specialty and how you can too
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...