Tech Skills

Cybersecurity

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

6,776
lessons
Skills in this topic
View full skill map →
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

Showing 1,417 reads from curated sources

Bug Bounty Hunting — Ethical Hacking for Profit
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Bug Bounty Hunting — Ethical Hacking for Profit
What if hacking could be legal, respected, and even highly profitable? Continue reading on Medium »
The 2026 Guide to Web Integrity: Understanding the Role of SSL in Modern App Ecosystems
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
The 2026 Guide to Web Integrity: Understanding the Role of SSL in Modern App Ecosystems
In the current digital landscape of 2026, the internet is no longer a luxury; it is the backbone of global commerce and entertainment… Continue reading on Mediu
Attackers don’t hack systems — they hack decisions
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Attackers don’t hack systems — they hack decisions
The real vulnerability isn’t your software. It’s the three seconds before you click. Continue reading on Medium »
Attackers don’t hack systems — they hack decisions
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Attackers don’t hack systems — they hack decisions
The real vulnerability isn’t your software. It’s the three seconds before you click. Continue reading on Medium »
What Scale-Up CISOs Actually Need: The Politics Nobody Prepares You For
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
What Scale-Up CISOs Actually Need: The Politics Nobody Prepares You For
The Scale-Up CISO series by John Rouffas Continue reading on Medium »
I Found a Broken Login System in a Fintech App — Here’s How I Did It
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
I Found a Broken Login System in a Fintech App — Here’s How I Did It
A real bug hunt story with JWT tokens, Burp Suite, and a fintech website that trusted too much Continue reading on OSINT Team »
One npm install Away
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
One npm install Away
What the Axios Supply Chain Attack Teaches Us About Zero Trust in Software Development Continue reading on Medium »
The $500,000 Hack, the CTO Who Lied, and Everything I Should Have Done Differently
Medium · Startup 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
The $500,000 Hack, the CTO Who Lied, and Everything I Should Have Done Differently
By James Gillingham Singapore Continue reading on Medium »
Análisis de un dropper, que se disfraza como herramienta de hacking
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Análisis de un dropper, que se disfraza como herramienta de hacking
¿Y bueno gente como les va?, yo por mi lado estoy bastante bien y emocionado por contarles que encontré algo interesante para explicar… Continue reading on Medi
LetsDefend: Obfuscated JavaScript Challenge Walkthrough
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
LetsDefend: Obfuscated JavaScript Challenge Walkthrough
Malicious JavaScript Analysis: Identifying Obfuscation, WMI Usage, and Network-Based Payload Staging Continue reading on Medium »
Securing GitHub from Code to Cloud with Microsoft Defender for Cloud
Medium · DevOps 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Securing GitHub from Code to Cloud with Microsoft Defender for Cloud
Securing GitHub isn’t only about who has access to the repository, the real risk is the layer between your organization’s developer… Continue reading on Medium
The Smart Home Mistake You Are Probably Making
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
The Smart Home Mistake You Are Probably Making
Why you should never share your Ring password, and how to properly share access with your family instead. Continue reading on Medium »
Instagram Hesaplarını Kapattırıp Para İsteyen Çeteler
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Instagram Hesaplarını Kapattırıp Para İsteyen Çeteler
Kod Açığı Değil, İnsan Süreçlerini Hedef Alan Yeni Nesil Bir Saldırı Modeli Continue reading on Medium »
Reverse Engineering on CyberTalents: Solving All Easy Challenges Part 2
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Reverse Engineering on CyberTalents: Solving All Easy Challenges Part 2
 Challenge 3: “Pure Luck” Reverse Engineering Continue reading on Medium »
We Ran Four Security Tools Against Express.js. They Found Each Other's Proof.
Dev.to · Mr. 0x1 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
We Ran Four Security Tools Against Express.js. They Found Each Other's Proof.
How a multi-layered analysis stack independently surfaced findings that map to real, open GitHub issues — including a 3-day-old report that the original prototy
Actively Exploited Adobe CVE, Supply Chain Malware, & Self-hosted Certs
Dev.to · soy 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Actively Exploited Adobe CVE, Supply Chain Malware, & Self-hosted Certs
Actively Exploited Adobe CVE, Supply Chain Malware, & Self-hosted Certs ...
Crucix: An Open OSINT Dashboard Aggregating 27 Real-Time Data Sources
Dev.to · RepairXpert 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Crucix: An Open OSINT Dashboard Aggregating 27 Real-Time Data Sources
Crucix: An Open OSINT Dashboard Aggregating 27 Real-Time Data Sources I built Crucix...
How I Bypassed Premium Subscription & Escalated Privileges Using a $0 VCC (Business Logic Flaw)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
How I Bypassed Premium Subscription & Escalated Privileges Using a $0 VCC (Business Logic Flaw)
Introduction : Continue reading on Medium »
Before MYTHOS Ships, Someone Has to Fix the World
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Before MYTHOS Ships, Someone Has to Fix the World
An Op-Ed on Anthropic’s Ethical Bind Continue reading on Medium »
Anthropic’s New AI Found Bugs in Every Major OS and Browser — And They’re Not Releasing It
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Anthropic’s New AI Found Bugs in Every Major OS and Browser — And They’re Not Releasing It
Claude Mythos Preview just found thousands of zero-day vulnerabilities. Apple, Google, Microsoft, and AWS are already using it. You can’t. Continue reading on L
Anthropic’s New AI Found Bugs in Every Major OS and Browser — And They’re Not Releasing It
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Anthropic’s New AI Found Bugs in Every Major OS and Browser — And They’re Not Releasing It
Claude Mythos Preview just found thousands of zero-day vulnerabilities. Apple, Google, Microsoft, and AWS are already using it. You can’t. Continue reading on L
Windows Defender Killer: Combining Registry Edits with BYOVD for Permanent Disable
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Windows Defender Killer: Combining Registry Edits with BYOVD for Permanent Disable
In the latest update to the Windows Defender Killer repository, I added a powerful new component: a BYOVD (Bring Your Own Vulnerable… Continue reading on Medium
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Using AI Without Fundamentals Is the Fastest Way to Stay a Beginner
You can look like you’re learning cyber security without actually learning anything. Continue reading on Medium »
Lab Ortamında FortiGate Kurulumu: Adım Adım Rehber
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Lab Ortamında FortiGate Kurulumu: Adım Adım Rehber
Bu yazıda lab ortamında FortiGate firewall kurulumu adım adım anlatılacaktır. Siber güvenlik alanına ilgi duyanlar ve özellikle SOC… Continue reading on Medium
Start a scan
Dev.to · ComplianceLayer 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Start a scan
When was the last time you checked what the internet actually sees when it looks at your domain? Not...
How a Single npm Possibly Compromised 100 Million Weekly Downloads
Medium · JavaScript 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
How a Single npm Possibly Compromised 100 Million Weekly Downloads
The axios supply chain attack is a masterclass in everything wrong with how we trust open source packages. Continue reading on System Weakness »
Top API Security Vulnerabilities in 2026 (Real-World Breakdown)
Dev.to · UZYNTRA Security 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Top API Security Vulnerabilities in 2026 (Real-World Breakdown)
Most APIs are vulnerable — and attackers know it. In 2026, API breaches aren’t about complex...
SPF Records Explained: Prevent Email Spoofing with Sender Policy Framework
Dev.to · toolbox-poster 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
SPF Records Explained: Prevent Email Spoofing with Sender Policy Framework
TL;DR SPF (Sender Policy Framework) is the first line of defense against email spoofing, allowing...
SSL/TLS Certificates Explained: HTTPS Security for Every Website
Dev.to · toolbox-poster 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
SSL/TLS Certificates Explained: HTTPS Security for Every Website
TL;DR SSL/TLS certificates are the backbone of encrypted web communication, authenticating server...
HTTP Security Headers: The Complete Guide to Securing Your Website
Dev.to · toolbox-poster 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
HTTP Security Headers: The Complete Guide to Securing Your Website
TL;DR HTTP security headers are your first line of defense against cross-site scripting (XSS),...
Domain Security Audit: The Complete Checklist for 2026
Dev.to · toolbox-poster 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Domain Security Audit: The Complete Checklist for 2026
TL;DR A domain security audit reviews DNS configuration, email authentication, SSL/TLS...
Phishing Attacks: How to Detect, Prevent, and Respond
Dev.to · toolbox-poster 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Phishing Attacks: How to Detect, Prevent, and Respond
TL;DR Phishing remains the most common initial attack vector, responsible for over 80% of reported ...
IP Blacklists & DNSBL: How to Check and Get Delisted
Dev.to · toolbox-poster 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
IP Blacklists & DNSBL: How to Check and Get Delisted
TL;DR IP blacklists (DNSBLs) are real-time databases that mail servers query to block spam at the...
Nuclei vs Traditional Vulnerability Scanners in 2026
Dev.to · Delmar Olivier 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Nuclei vs Traditional Vulnerability Scanners in 2026
Nuclei vs Traditional Vulnerability Scanners in 2026: Why Security Teams Are...
OWASP ZAP vs Burp Suite in 2026: Which Should Your Team Use?
Dev.to · Delmar Olivier 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
OWASP ZAP vs Burp Suite in 2026: Which Should Your Team Use?
OWASP ZAP vs Burp Suite in 2026: Which Web Security Tool Should Your Team Use? OWASP ZAP...
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
How APTs Breach, Persist, and Devastate Networks
Advanced persistent threats (APTs) are well-funded, evasive, and determined to penetrate networks containing sensitive… Continue reading on Medium »
Digital Evidence is Dead.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Digital Evidence is Dead.
Why AI watermarks and warning labels are a losing battle against physics and human psychology Continue reading on Medium »
Beyond the CLI: Reimagining Network Recon with Cyber-Eye Mapper v4.0
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Beyond the CLI: Reimagining Network Recon with Cyber-Eye Mapper v4.0
The power of Nmap, the elegance of a modern web dashboard, and the security of AES-256 encryption — all in one orchestration layer. Continue reading on Medium »
Post-Exploitation Pivoting in a Lab Environment Using Meterpreter
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Post-Exploitation Pivoting in a Lab Environment Using Meterpreter
Internal Network Enumeration and Service Access Through a Compromised Linux Host Continue reading on Medium »
HashGate — picoCTF 2026 Writeup
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
HashGate — picoCTF 2026 Writeup
Category: Web Exploitation | Difficulty: Medium Continue reading on Medium »
Break-Glass Accounts in 2026
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Break-Glass Accounts in 2026
Why Passwordless Is No Longer Optional Continue reading on Medium »
The Complete Guide to Automated Penetration Testing in 2026
Dev.to · Delmar Olivier 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
The Complete Guide to Automated Penetration Testing in 2026
Why Your Security Scanner Isn't a Penetration Test AI-powered and automated pentesting in...
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Broken Access Control via Replay Attack
How a simple replay trick bypasses permission checks on a popular project management platform Continue reading on Medium »
Obsession Writeup Español
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Obsession Writeup Español
La máquina Obsession se encuentra en la plataforma de Dockerlabs, creada por “El Pingüino de Mario” esta máquina está catalogada como “MUY… Continue reading on
Integrating VirusTotal Malware Intelligence with Wazuh — File, IP & URL Scanning
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Integrating VirusTotal Malware Intelligence with Wazuh — File, IP & URL Scanning
Imagine a new file appears on your system, or your machine suddenly connects to a suspicious IP address — and within seconds, you get an… Continue reading on Me
BrowserMon Appliance Released: Enterprise Browser Security, Hardened and Ready to Deploy
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
BrowserMon Appliance Released: Enterprise Browser Security, Hardened and Ready to Deploy
A CIS Level 1 hardened OVA that ships pre-configured, pre-loaded, and ready for production Continue reading on Medium »
Introduction to DOS Header and DOS Stub (PE)- Nir(7)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Introduction to DOS Header and DOS Stub (PE)- Nir(7)
Hello, Cybersecurity enthusiasts and white hat hackers!! Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
An AI Model Just Found a 27-Year-Old Zero-Day in OpenBSD
Anthropic’s Claude Mythos — still unreleased, currently gated to about 50 partner orgs through Project Glasswing — autonomously discovered… Continue reading on