Tech Skills

Cybersecurity

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

32,506
lessons
Skills in this topic
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Security Basics
beginner
Fix OWASP top 10 vulnerabilities
Cryptography Fundamentals
intermediate
Explain how digital signatures prevent tampering
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 (24,222) Articles (13156)Blog Posts (8693)Tutorials (863)Research Papers (70)News (1440)
Reverse Engineering — XWorm Attack Chain
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
Reverse Engineering — XWorm Attack Chain
JavaScript, PowerShell, Reflective .NET Loader Continue reading on Medium »
Userland Guard Page Neutralization
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
Userland Guard Page Neutralization
Welcome to this new Medium post. In this one, we are going to look at two very simple ways to bypass or evade Guard Pages placed within… Continue reading on Med
The Day a Small Business Realized Protection Wasn’t Optional
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
The Day a Small Business Realized Protection Wasn’t Optional
Your business can take years to build and only one overlooked risk to damage what you’ve built. Continue reading on Medium »
I Started Learning Cybersecurity With AI, Here’s What Happened
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
I Started Learning Cybersecurity With AI, Here’s What Happened
When I first decided to learn cybersecurity, I had one big problem. I didn’t know where to start. There were networking courses, Linux… Continue reading on Medi
I Stopped Hunting for Vulnerabilities and Started Hunting for Misconfigurations
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
I Stopped Hunting for Vulnerabilities and Started Hunting for Misconfigurations
Why some of the easiest security findings are hiding in plain sight Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
5 Big Cyber and Tech Stories Shaking India And What They Mean for You
Technology is moving faster than ever, and with it, so are the ways scammers try to steal money and how authorities try to stop them. Here… Continue reading on
Multi-Stage MaaS Malware and Developer Supply-Chain Infection Analysis
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
Multi-Stage MaaS Malware and Developer Supply-Chain Infection Analysis
This write-up documents my analysis and the investigation that started with a single suspicious executable named void.exe Continue reading on Medium »
TechRepublic 🔐 Cybersecurity ⚡ AI Lesson 2d ago
180 Android Security Flaws Patched: What Users Should Do
Google’s September Android update fixes 180 security flaws, including critical bugs. Learn how to check your phone’s security patch level. The post 180 Android
AI Is Making Cyber Attacks Faster. What Does That Mean for Businesses?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
AI Is Making Cyber Attacks Faster. What Does That Mean for Businesses?
A cyber attack rarely starts with some complicated piece of malware. More often, it starts small. An attacker finds the right target… Continue reading on Medium
The Real Vulnerability Isn’t Your Inbox — It’s Your Decision Speed
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
The Real Vulnerability Isn’t Your Inbox — It’s Your Decision Speed
A different angle on why phishing works, and what to do about it! Continue reading on Medium »
Your Shared AI Chats Are Not as Private as You Think
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
Your Shared AI Chats Are Not as Private as You Think
That “Share” button feels like sending a text message. But it actually works more like putting up a web page. Continue reading on Medium »
Your Phone Is Watching You — But Not the Way You Think
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
Your Phone Is Watching You — But Not the Way You Think
I used to think my phone was one of the safest things I owned. Continue reading on Medium »
GitHub Can Now Block Secret-Leaking PRs: What AI App Builders Must Fix First
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 2d ago
GitHub Can Now Block Secret-Leaking PRs: What AI App Builders Must Fix First
GitHub’s September 9 update adds a useful merge gate. A beginner’s recovery plan still needs two separate finish lines: a safe credential… Continue reading on M
GitHub Can Now Block Secret-Leaking PRs: What AI App Builders Must Fix First
Medium · Startup 🔐 Cybersecurity ⚡ AI Lesson 2d ago
GitHub Can Now Block Secret-Leaking PRs: What AI App Builders Must Fix First
GitHub’s September 9 update adds a useful merge gate. A beginner’s recovery plan still needs two separate finish lines: a safe credential… Continue reading on M
GitHub Can Now Block Secret-Leaking PRs: What AI App Builders Must Fix First
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
GitHub Can Now Block Secret-Leaking PRs: What AI App Builders Must Fix First
GitHub’s September 9 update adds a useful merge gate. A beginner’s recovery plan still needs two separate finish lines: a safe credential… Continue reading on M
​Vibe Hacking Lowered The Barrier To Entry For Attackers: How Can CISOs Prepare?
Forbes Innovation 🔐 Cybersecurity ⚡ AI Lesson 2d ago
​Vibe Hacking Lowered The Barrier To Entry For Attackers: How Can CISOs Prepare?
Complex attacks that required years of specialized experience and skills are now executed by operators whose only real capability is knowing what to ask for.
20 Cloud Architecture Security Mistakes Every Engineer Should Avoid: Master the Art of Secure Cloud…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
20 Cloud Architecture Security Mistakes Every Engineer Should Avoid: Master the Art of Secure Cloud…
Ever heard of a $45 million breach caused by a single AWS misconfiguration? It happens more than you’d think. Cloud architecture is a… Continue reading on Mediu
Apple Said Privacy Was Everything. Then They Put a Microphone on Your Wrist.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
Apple Said Privacy Was Everything. Then They Put a Microphone on Your Wrist.
I’ve spent years in security. I’ve watched companies promise privacy while quietly doing the opposite. I’ve seen terms of service that… Continue reading on Medi
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
The Return of the Privateer
On August 12, 2026, amid little to no fanfare, the U.S. Government issued a National Security Presidential Memorandum authorizing vetted… Continue reading on Me
The Only Safe Way to Process PDFs in 2026: Client‑Side Processing
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
The Only Safe Way to Process PDFs in 2026: Client‑Side Processing
Every day, millions of PDFs are uploaded to online converters, exposing sensitive data to unnecessary risk. But there’s a better way… Continue reading on Medium
From File Upload to Account Takeover: Chaining Stored XSS for Credential Exposure and Privilege…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
From File Upload to Account Takeover: Chaining Stored XSS for Credential Exposure and Privilege…
While testing a web application, I came across an interesting attack chain that started with what initially looked like a simple file… Continue reading on Mediu
The Bleeding Data
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
The Bleeding Data
# The Lost Knowledge: A Cybersecurity and Knowledge Management Challenge Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
Well-played and Well Executed Attack (A Case Analysis)
The Incident: In summary of the incident, The staff of the University (IT staff to be specific) has fell for one of the most dangerous… Continue reading on Medi
I Spent My First CTF Staring at a Blank Terminal. Here’s What I Wish Someone Had Told Me.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
I Spent My First CTF Staring at a Blank Terminal. Here’s What I Wish Someone Had Told Me.
Everyone in security tells you to “do CTFs.” Nobody tells you what happens when you actually open one. Continue reading on MeetCyber »
Un agent d’infrastructure pour mon homelab : le jour où il a échoué sans rien casser
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
Un agent d’infrastructure pour mon homelab : le jour où il a échoué sans rien casser
Le jour où j’ai commencé à faire confiance à mon agent d’infrastructure n’est pas celui où il a réussi une action. C’est celui où il a… Continue reading on Medi
When Convenience Becomes a Risk
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
When Convenience Becomes a Risk
1. What knowledge assets of the university were affected by the cybersecurity incident? Continue reading on Medium »
My Cybersecurity Learning Journey: From Beginner to SOC Analyst
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
My Cybersecurity Learning Journey: From Beginner to SOC Analyst
I’ve recently started taking cybersecurity more seriously and decided to document my progress here. Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
Know It or Lose It: How Cybersecurity and Knowledge Management Interact in Practice
Poor knowledge management is not just a confusing concern; it is also, potentially, a security concern. Continue reading on Medium »
My First Wireshark Practical
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
My First Wireshark Practical
As part of my cybersecurity training, I recently had my first practical session with Wireshark. Continue reading on Medium »
4.1 Million People Impacted by AdaptHealth Breach: A Warning About Healthcare Data and Third Party…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
4.1 Million People Impacted by AdaptHealth Breach: A Warning About Healthcare Data and Third Party…
Healthcare organizations hold some of the most sensitive information in the world. Patient identities, medical information, insurance… Continue reading on Mediu
How Proxies Protect Your Online Identity While Browsing and Researching
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
How Proxies Protect Your Online Identity While Browsing and Researching
How proxy servers mask your IP address and protect your identity while you browse, research, or collect data online. Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
CNAs — Call for Topics for “CVE Program Fall Technical Workshop: Advancing CVE Record Quality” on…
The CVE Program will host a “CVE Program Fall Technical Workshop: Advancing CVE Record Quality” virtual event for CVE Numbering… Continue reading on Medium »
TryHackMe | NetworkMiner Overview
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
TryHackMe | NetworkMiner Overview
Getting to know what NetworkMiner is, it’s use during network forensics, and a whole tool overview. Continue reading on Medium »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 2d ago
How to Reduce Fraud Risks Behind Signup Bonuses, Extra Deposits, and Personal Data Requests
Promotional offers can make an unfamiliar platform look attractive, but bonuses sometimes create the exact moment when users stop checking the details. That is
Why Hiring Fraud Has Become A Know Your Employee Security Issue
Forbes Innovation 🔐 Cybersecurity ⚡ AI Lesson 2d ago
Why Hiring Fraud Has Become A Know Your Employee Security Issue
Bad actors are no longer waiting until after an account exists. They are entering through the talent process itself.
​CISOs: Your Cryptographic Inventory Is Lying To You
Forbes Innovation 🔐 Cybersecurity ⚡ AI Lesson 2d ago
​CISOs: Your Cryptographic Inventory Is Lying To You
Inventory is a snapshot. The thing it is trying to measure is a moving picture.
The Bug Was Already Fixed. So Why Was I Still Finding It?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
The Bug Was Already Fixed. So Why Was I Still Finding It?
I was looking through an Angular JavaScript bundle when I noticed a credential that shouldn’t have been there. Continue reading on Medium »
Best .NET Obfuscators in 2026
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
Best .NET Obfuscators in 2026
An Honest Top-5 Comparison Continue reading on Medium »
Environment Variables & Secrets in Node.js: What I Learned Keeping Configuration Safe
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
Environment Variables & Secrets in Node.js: What I Learned Keeping Configuration Safe
Practical lessons on .env, process.env, configuration validation, production environments, secret management, and the mistakes I learned… Continue reading on Me
Why Who Owns Your Proxy Network Matters More Than Pool Size
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
Why Who Owns Your Proxy Network Matters More Than Pool Size
Millions of IPs mean nothing if you don’t know where they came from. Continue reading on Medium »
Packets & Frames — Try Hack Me
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
Packets & Frames — Try Hack Me
Task 1 — What are Packets and Frames Continue reading on Medium »
Trezor, BitBox users targeted in newsletter phishing spree
The Register 🔐 Cybersecurity ⚡ AI Lesson 2d ago
Trezor, BitBox users targeted in newsletter phishing spree
Attackers exploit legitimate mailing channels to demand crypto wallet backups
Disclosure:
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
Disclosure:
Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
The Security+ Acronyms That Get Confused With Each Other
The acronym appendix at the back of the SY0-701 objectives lists more than three hundred entries. People often suggest memorizing it, and… Continue reading on M
EU Digital Identity Wallet Library for PHP
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
EU Digital Identity Wallet Library for PHP
A framework-neutral PHP façade for OpenID4VP verification, tested against a real verifier. Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
Vulnerability vs Threat vs Risk: What’s the Difference?
Three cybersecurity terms I initially saw as closely related, and what I’ve learned about how they differ. Continue reading on Medium »
Your $3,000 Windows 11 PC Runs a Motherboard About to Cost 50% More This Quarter — and It May…
Medium · Machine Learning 🔐 Cybersecurity ⚡ AI Lesson 2d ago
Your $3,000 Windows 11 PC Runs a Motherboard About to Cost 50% More This Quarter — and It May…
You did the homework on your CPU. You read the shortage headlines, ran the framework, bought the chip that matched your actual workload… Continue reading on Med
At-Rack empowers British Medical Auctions (BMA) to achieve the highest level of data compliance
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d ago
At-Rack empowers British Medical Auctions (BMA) to achieve the highest level of data compliance
LONDON, UK, September 10, 2026 — At-Rack, a leader in high-security data sanitisation and physical destruction, is proud to announce a new… Continue reading on