Tech Skills

Cybersecurity

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

17,910
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 (11,004) Articles (5451)Blog Posts (4289)Tutorials (390)Research Papers (34)News (840)
Unmanaged Devices in Hybrid Work: The Hidden Security Gap Most Organizations Still Miss
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Unmanaged Devices in Hybrid Work: The Hidden Security Gap Most Organizations Still Miss
An employee logs into Microsoft 365 from a laptop IT doesn’t know exists. Continue reading on Medium »
eCPPTv3 Review
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d 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 3d 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 3d ago
Understanding NAT (Network Address Translation): How Multiple Devices Share a Single Public IP…
Networking Address Translation (NAT) Continue reading on Medium »
How CREST Pen Testing Helps Reduce Cyber Security Risks
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
How CREST Pen Testing Helps Reduce Cyber Security Risks
Cyberattacks are becoming more sophisticated every year. Organizations face ransomware, data breaches, cloud attacks, API vulnerabilities… Continue reading on M
The Great Data Escape: An Offboarding Guide That Actually Stops Leaks
Medium · Startup 🔐 Cybersecurity ⚡ AI Lesson 3d ago
The Great Data Escape: An Offboarding Guide That Actually Stops Leaks
Picture this: Dave from Accounting just left the company. You had a lovely farewell cake. He promised to stay in touch. But two weeks… Continue reading on Mediu
The Great Data Escape: An Offboarding Guide That Actually Stops Leaks
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
The Great Data Escape: An Offboarding Guide That Actually Stops Leaks
Picture this: Dave from Accounting just left the company. You had a lovely farewell cake. He promised to stay in touch. But two weeks… Continue reading on Mediu
Fraud Has Moved Outside the Bank. Protection Should Too
Hackernoon 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Fraud Has Moved Outside the Bank. Protection Should Too
Banks are investing heavily in cybersecurity and fraud detection, but AI-powered social engineering attacks increasingly happen outside their systems through ca
HackTheBox: Reset Writeup
Dev.to · Yogeshwar Peela 🔐 Cybersecurity ⚡ AI Lesson 3d ago
HackTheBox: Reset Writeup
Summary Reset is a Linux box built around a chain of web application logic flaws and a...
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Top 10 Managed IT Service Providers in India: What Sets Each One Apart
The managed IT services market in India has never been more competitive — or more consequential. Businesses today don’t just need someone… Continue reading on M
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 3d 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
The same 5 signals that preceded every major attack wave since 2012 are all active right now
Dev.to · Adrian Alexandru Stinga 🔐 Cybersecurity ⚡ AI Lesson 3d ago
The same 5 signals that preceded every major attack wave since 2012 are all active right now
What I’m seeing right now on the dark web tells me the next major attack wave is not a question of...
Short-lived, scoped, challenge-based: designing safer service tokens for agents
Dev.to · Steve Emmerich 🔐 Cybersecurity ⚡ AI Lesson 3d 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 3d 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 3d 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 3d 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 &
The Night My Database Disappeared: A Laravel Developer’s Nightmare (And How to Make Sure It Never…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
The Night My Database Disappeared: A Laravel Developer’s Nightmare (And How to Make Sure It Never…
I still remember the exact moment. Continue reading on Medium »
7 Favorite Spots Hackers Look For When Hunting Website Vulnerabilities (With Real Laravel Examples)
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 3d ago
7 Favorite Spots Hackers Look For When Hunting Website Vulnerabilities (With Real Laravel Examples)
Ever wondered where hackers actually start when they target a website? It’s not some mystical process that needs god-tier skills. Most… Continue reading on Code
Threat Intelligence Sharing: Why Collective Defense Is the Future of Ransomware Protection
Dev.to · Atharv Gupta 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Threat Intelligence Sharing: Why Collective Defense Is the Future of Ransomware Protection
Ransomware has kinda moved past those lone, isolated hits that individual hackers used to do. These...
The Invisible War: What Cybercriminals Don’t Want You to Know
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
The Invisible War: What Cybercriminals Don’t Want You to Know
There is actually a war happening every day. It is not noticeable, heard, or accessible to touch. However, it is real. It’s the war for… Continue reading on Med
How I Turned a Worthless CSRF + IDOR into a Full Account Takeover
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
How I Turned a Worthless CSRF + IDOR into a Full Account Takeover
What started as a boring, late-night bug hunting session turned into one of the most critical security findings of my career. Continue reading on Medium »
ArXiv cs.AI 🔐 Cybersecurity 📄 Paper ⚡ AI Lesson 3d ago
CVE-TTP KG: Knowledge Graph Linking Software Vulnerabilities to Attack Behaviors
arXiv:2606.31557v1 Announce Type: cross Abstract: In the evolving threat landscape, adversaries exploit software vulnerabilities to launch sophisticated attacks
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 3d 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 3d 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 3d 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 3d 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 3d 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 »
They Were Watching the Whole Time
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
They Were Watching the Whole Time
I spent twenty years in cybersecurity tracking what adversaries do inside other people’s networks. It took me an embarrassingly long time… Continue reading on M
SQL Injection: Types, Logic, Examples, and Testing Methodology
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
SQL Injection: Types, Logic, Examples, and Testing Methodology
Heeeere we goooo: SQL injection or SQLi, is a vulnerability that occurs when an application includes user-controlled input inside an SQL… Continue reading on Me
Nobody Is Coming to Save Your Privacy. Build the Tools Yourself
Dev.to · v. Splicer 🔐 Cybersecurity ⚡ AI Lesson 3d 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...
How Three Low-Severity Bugs Chained Into One-Click XSS
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
How Three Low-Severity Bugs Chained Into One-Click XSS
A walkthrough of the DOOM box. Three “small” bugs that mean almost nothing on their own, but when composed together give you a one-click… Continue reading on Me
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Brand New to Cyber - One Question
Hello All! This is my first time posting but I just have a quick question if you all would be willing to give your input. I have 2.5 years of helpdesk experienc
The Billion Dollar Business of Making You Forget Passwords
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d 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 3d 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 »
Your ChatGPT History Is a Liability. I Fixed That With a $80 Chip and a Pi5.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d 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 CodeToDeploy »
Aikido buys Root to patch open source in place, without the upgrade dance
Dev.to · Leo 🔐 Cybersecurity ⚡ AI Lesson 3d 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 3d 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 »
Account Takeover Attacks: Why Authentication Isn’t the Real Problem
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Account Takeover Attacks: Why Authentication Isn’t the Real Problem
Research June 27, 2026 · 6 min read Continue reading on Medium »
On Security+, the password attack is decided by one detail in the question
Dev.to · TiltedLunar123 🔐 Cybersecurity ⚡ AI Lesson 3d ago
On Security+, the password attack is decided by one detail in the question
Four of the password attacks on SY0-701 read almost identically on the exam. The attacker wants...
reCAPTCHA v2 vs v3 vs Enterprise — how to tell which one you're fighting (and how to solve each)
Dev.to · Bassem Shahin 🔐 Cybersecurity ⚡ AI Lesson 3d ago
reCAPTCHA v2 vs v3 vs Enterprise — how to tell which one you're fighting (and how to solve each)
Not all reCAPTCHA is the same. Here's how to identify v2 checkbox, v2 invisible, v3 score, and Enterprise from the page itself — what each means for automation,
5G Security: Why Most Operators Are Underprepared for the Threats Standalone Architecture Introduces
Dev.to · 5gwolrdpro 🔐 Cybersecurity ⚡ AI Lesson 3d 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 3d 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 3d 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 3d 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 3d 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 3d 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 3d 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
Claude Code users complain their chat records are being mysteriously wiped out
The Register 🔐 Cybersecurity ⚡ AI Lesson 4d ago
Claude Code users complain their chat records are being mysteriously wiped out
Got important chats older than 30 days? You'd better be sure the transcripts still exist