Tech Skills

Cybersecurity

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

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lessons
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 (3,397) Articles (2351)Blog Posts (660)Tutorials (277)Research Papers (4)News (105)
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 24m ago
Why I built Contextia: stopping secrets before they reach AI chats
I almost pasted a production .env into ChatGPT. Twice. That's the whole origin story. We paste code, logs and configs into AI chats all day, and those blobs are
The Complete Web Application Penetration Testing Guide (2026)— Part 2
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1h ago
The Complete Web Application Penetration Testing Guide (2026)— Part 2
Part 2: Authentication, Authorization & Session Management Testing Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1h ago
The Networking Problem Nobody Talks About (Until It’s Too Late)
Imagine a factory floor where robotic arms are supposed to move in perfect coordination. Every motion is planned down to the millisecond… Continue reading on Me
Built an AI-Powered WAF for PHP/Laravel Apps in Africa — Here’s What It Catches
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1h ago
Built an AI-Powered WAF for PHP/Laravel Apps in Africa — Here’s What It Catches
A student developer from Cameroon built a security tool that explains exactly why it blocked a request. Continue reading on Medium »
Vibe Coding Is Creating a Security Nightmare — And Nobody Is Talking About It
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 1h ago
Vibe Coding Is Creating a Security Nightmare — And Nobody Is Talking About It
Everyone is celebrating how fast we can build. Nobody is asking how broken what we’re building actually is. Continue reading on Medium »
Vibe Coding Is Creating a Security Nightmare — And Nobody Is Talking About It
Medium · JavaScript 🔐 Cybersecurity ⚡ AI Lesson 1h ago
Vibe Coding Is Creating a Security Nightmare — And Nobody Is Talking About It
Everyone is celebrating how fast we can build. Nobody is asking how broken what we’re building actually is. Continue reading on Medium »
eCPPTv3 Review
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3h ago
eCPPTv3 Review
Almost a year ago, I took the INE’s “eCPPTv3” exam, and here is my honest review Continue reading on Medium »
Next-Gen Endpoint Protection Software: Securing Remote Employees Against Modern Cyber Threats
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3h ago
Next-Gen Endpoint Protection Software: Securing Remote Employees Against Modern Cyber Threats
Corporate perimeters have changed completely. With business operations extending into home offices and coffee shops worldwide, corporate… Continue reading on Me
Understanding NAT (Network Address Translation): How Multiple Devices Share a Single Public IP…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3h ago
Understanding NAT (Network Address Translation): How Multiple Devices Share a Single Public IP…
Networking Address Translation (NAT) Continue reading on Medium »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 4h ago
Why the EC-Council 312-41 Practice Test Is Essential for Certification Success
Individuals who seek to demonstrate their knowledge and understanding of the concepts, methodologies and real-world knowledge listed in the Exam Objectives shou
Short-lived, scoped, challenge-based: designing safer service tokens for agents
Dev.to · Steve Emmerich 🔐 Cybersecurity ⚡ AI Lesson 5h ago
Short-lived, scoped, challenge-based: designing safer service tokens for agents
A lot of security design comes down to asking a plain question: if this credential leaks, how bad is...
BioShocking: How AI Browsers Were Tricked Into Handing Over Your Passwords
Dev.to · Cor E 🔐 Cybersecurity ⚡ AI Lesson 5h ago
BioShocking: How AI Browsers Were Tricked Into Handing Over Your Passwords
Six AI browsers and assistants. One adversarial framing technique. Your credentials,...
Cyber Hygiene: The Everyday Habits That Protect Your Digital Life
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5h ago
Cyber Hygiene: The Everyday Habits That Protect Your Digital Life
Imagine waking up one morning and finding that your email, social media, bank account, and cloud storage have all been locked. Continue reading on Medium »
Top 10 Open Source Security Tools for Kubernetes in 2026
Medium · DevOps 🔐 Cybersecurity ⚡ AI Lesson 5h ago
Top 10 Open Source Security Tools for Kubernetes in 2026
Kubernetes security in 2026 is not a single product purchase decision — it is a layered defence built from focused, best-in-class… Continue reading on Devops &
I found 10 bugs in my own security scanner. Here's what they taught me about false positives.
Dev.to · Zein Saleh 🔐 Cybersecurity ⚡ AI Lesson 7h ago
I found 10 bugs in my own security scanner. Here's what they taught me about false positives.
I built a VS Code extension that scans code for leaked secrets, PII, and security vulnerabilities...
Reddit r/webdev 🔐 Cybersecurity ⚡ AI Lesson 7h ago
Sudden SSL Error for github pages custom domain website
Hi, I am currently developing and hosting a website on github pages. I purchased a domain and set up the proper DNS records linking it back to github servers (4
Reverse-proof protector
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 7h ago
Reverse-proof protector
If you’ve ever run a program protected by Themida or StarForce, you’ve probably noticed strange system glitches, sudden slowdowns, and… Continue reading on OSIN
The 7 IAM Misconfigurations We See in Almost Every AWS Account
Dev.to · Shieldly 🔐 Cybersecurity ⚡ AI Lesson 7h ago
The 7 IAM Misconfigurations We See in Almost Every AWS Account
Originally published at shieldly.io/blog. After analyzing a lot of IAM policies, the same seven...
Why Unified Intelligence Platforms Are Becoming the Backbone of Modern Cybersecurity
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 8h ago
Why Unified Intelligence Platforms Are Becoming the Backbone of Modern Cybersecurity
Disconnected tools generate alerts. Unified intelligence platforms generate understanding. Continue reading on Medium »
Nobody Is Coming to Save Your Privacy. Build the Tools Yourself
Dev.to · v. Splicer 🔐 Cybersecurity ⚡ AI Lesson 9h ago
Nobody Is Coming to Save Your Privacy. Build the Tools Yourself
The cavalry isn't delayed. It was never dispatched. You have already done the ritual. You clicked...
The Billion Dollar Business of Making You Forget Passwords
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 9h ago
The Billion Dollar Business of Making You Forget Passwords
The internet trusted passwords for decades. Now it’s trying to erase them. Continue reading on Medium »
Your ChatGPT History Is a Liability. I Fixed That With a $80 Chip and a Pi5.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 9h ago
Your ChatGPT History Is a Liability. I Fixed That With a $80 Chip and a Pi5.
You are not the customer. You are the training data. And now you are also the evidence. Continue reading on Medium »
Aikido buys Root to patch open source in place, without the upgrade dance
Dev.to · Leo 🔐 Cybersecurity ⚡ AI Lesson 9h ago
Aikido buys Root to patch open source in place, without the upgrade dance
Aikido Security acquired Root, a company whose technology fixes known vulnerabilities directly inside the package version you already run. The trade-off: someon
Guía de Inyección de Comandos OS: Explotación, Bypass de WAF y PoC
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 10h ago
Guía de Inyección de Comandos OS: Explotación, Bypass de WAF y PoC
Aprende técnicas avanzadas de inyección de comandos OS, evasión de WAF, escalación de impacto y cómo redactar informes de PoC. Continue reading on Medium »
5G Security: Why Most Operators Are Underprepared for the Threats Standalone Architecture Introduces
Dev.to · 5gwolrdpro 🔐 Cybersecurity ⚡ AI Lesson 11h ago
5G Security: Why Most Operators Are Underprepared for the Threats Standalone Architecture Introduces
5G SA was supposed to be more secure than every generation before it. In several important ways, it...
Dangerous Trends
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 11h ago
Dangerous Trends
Behavioral monitoring can inform authorization. It cannot replace the authorization boundary. Continue reading on Medium »
Dangerous Trends
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 11h ago
Dangerous Trends
Behavioral monitoring can inform authorization. It cannot replace the authorization boundary. Continue reading on Medium »
900+ Downloads, 1 Star, 1 Comment: What I Learned Launching a Security Tool
Dev.to · Dockfix Labs 🔐 Cybersecurity ⚡ AI Lesson 11h ago
900+ Downloads, 1 Star, 1 Comment: What I Learned Launching a Security Tool
Two weeks of open-source security tooling: download numbers, what worked, what did not, and technical lessons.
The Bug That Sends "Authorization: bearer undefined" - And Why It's So Easy to Miss
Dev.to · Eshaan Agrawal 🔐 Cybersecurity ⚡ AI Lesson 11h ago
The Bug That Sends "Authorization: bearer undefined" - And Why It's So Easy to Miss
Authorization: bearer undefined No error. No stack trace. Just a 401 that looked like it...
Why Do Hackers and Cybersecurity Professionals Hide Their Identity?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 11h ago
Why Do Hackers and Cybersecurity Professionals Hide Their Identity?
why do hackers and cybersecurity prbeessionaly profesionals hide their identity ? Continue reading on Medium »
5G Security: Why Most Operators Are Underprepared for the Threats Standalone Architecture…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 11h ago
5G Security: Why Most Operators Are Underprepared for the Threats Standalone Architecture…
5G SA was supposed to be more secure than every generation before it. In several important ways, it is. But the same architectural changes… Continue reading on
Account Takeover Attacks: Why Authentication Isn’t the Real Problem
Dev.to · Sentinel Layer 🔐 Cybersecurity ⚡ AI Lesson 13h ago
Account Takeover Attacks: Why Authentication Isn’t the Real Problem
Modern attackers don't always steal passwords—they steal trusted sessions. Learn why authentication...
When the Most Important Feature of a Migration Toolset Isn’t a Feature at All
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 13h ago
When the Most Important Feature of a Migration Toolset Isn’t a Feature at All
A Story About Identity, Trust, and Choosing the Right Active Directory Migration Platform Continue reading on Medium »
HOW TO RECOVER CRYPTOCURRENCY LOST TO BITCOIN INVESTMENT SCAM/MALICE CYBER RECOVERY WIL DO IT
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 13h ago
HOW TO RECOVER CRYPTOCURRENCY LOST TO BITCOIN INVESTMENT SCAM/MALICE CYBER RECOVERY WIL DO IT
I never thought I would become the kind of person who fell for an investment scam I always believed I was careful, skeptical, and smart… Continue reading on Med
The 90% Discount on Claude Tokens Has a Small Catch: You May Be the Product
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 13h ago
The 90% Discount on Claude Tokens Has a Small Catch: You May Be the Product
A cheap Claude proxy is not just a bargain API. It may be an account farm, a model swap, and a very efficient way to leak your prompts… Continue reading on Medi
Aflac Japan Data Breach Exposes 4.38 Million Policyholder Records
Dev.to · BeyondMachines 🔐 Cybersecurity ⚡ AI Lesson 14h ago
Aflac Japan Data Breach Exposes 4.38 Million Policyholder Records
Aflac Japan reported a data breach affecting 4.38 million policyholders after unauthorized actors accessed the 'Aflac Yoriso Net' portal for ten days. The breac
Autonomous Cyberattacks Are Coming And Our Defenses Were Built for a Different Era
Dev.to · Arashad Dodhiya 🔐 Cybersecurity ⚡ AI Lesson 14h ago
Autonomous Cyberattacks Are Coming And Our Defenses Were Built for a Different Era
The shift isn't AI writing phishing emails. It's AI making decisions. I've been thinking about a...
Security Belongs on the Blueprint
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 17h ago
Security Belongs on the Blueprint
Why India’s GCC build-outs should design physical and cyber risk in — before the walls go up Continue reading on Medium »
# A 4-Line HTML File Stole the Admin’s Secret — Intigriti LeakyJar CTF Writeup
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 17h ago
# A 4-Line HTML File Stole the Admin’s Secret — Intigriti LeakyJar CTF Writeup
**Platform:** Intigriti | **Challenge:** LeakyJar (June 2026 Bonus) | **Bug class:** CSRF | **Status:** Accepted ✅ Continue reading on Medium »
The Digital Gateway to Arabic Cybersecurity
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 17h ago
The Digital Gateway to Arabic Cybersecurity
In a world where cybersecurity is becoming a strategic priority, language-specific security solutions are increasingly valuable… Continue reading on Medium »
Cybersecurity vs Cloud Computing – Which Career Will Dominate 2026? ☁️
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 17h ago
Cybersecurity vs Cloud Computing – Which Career Will Dominate 2026? ☁️
Confused about which IT career to choose? Continue reading on Medium »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 18h ago
Claude Code Is Steganographically Marking Requests
Claude Code Is Steganographically Marking Requests Imagine every time you hit “send” on a message, an invisible watermark is added to your packet, telling the s
TechRepublic 🔐 Cybersecurity ⚡ AI Lesson 19h ago
SimpleHelp Flaw Exploited to Deploy Malware Targeting Windows, macOS, and Linux
A SimpleHelp authentication flaw is being exploited to deploy Djinn Stealer, a cross-platform malware targeting cloud, developer, and AI credentials. The post S
TechRepublic 🔐 Cybersecurity ⚡ AI Lesson 20h ago
iPhone Security Fixes May Arrive Sooner as AI Speeds Up Threats
Apple is releasing some iPhone security fixes earlier as AI raises concerns about faster cyberattacks and shorter patch windows. The post iPhone Security Fixes
ZDNet 🔐 Cybersecurity ⚡ AI Lesson 20h ago
Apple rushed to squash 29 bugs because AI is supercharging hackers - update ASAP
Software updates are rolling out now for iPhone, iPad, and Mac, bringing fixes that weren't supposed to arrive so soon. Here's why.
The Augean Stables: Cleaning The Overlooked Cybersecurity Blind Spots For PQC Readiness​
Forbes Innovation 🔐 Cybersecurity ⚡ AI Lesson 20h ago
The Augean Stables: Cleaning The Overlooked Cybersecurity Blind Spots For PQC Readiness​
There are several blind spots that companies face on the way to quantum readiness, but boards can work to resolve these.
API-RTA Exam Walkthrough — Passed | CyberWarFare Labs
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 21h ago
API-RTA Exam Walkthrough — Passed | CyberWarFare Labs
Certification: API-RTA (API Red Team Analyst) Issued by: CyberWarFare Labs (CWL) Difficulty: Intermediate Format: Practical, black-box… Continue reading on Info
OSINT Challenge: Finding the truck’s VIN Number
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 21h ago
OSINT Challenge: Finding the truck’s VIN Number
A single photograph. A truck carrying a vehicle. That’s all you get. Continue reading on Medium »