Tech Skills

Cybersecurity

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

7,032
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

Showing 1,650 reads from curated sources

The OpenAI Breach Wasn't About OpenAI – It Was About the 84 Packages Above Them
Dev.to · Dimitris Kyrkos 🔐 Cybersecurity ⚡ AI Lesson 5d ago
The OpenAI Breach Wasn't About OpenAI – It Was About the 84 Packages Above Them
Intro If you missed the news this week: OpenAI confirmed that two of their employees got...
Years of Apple's Best Security Work, Cracked in Five Days — Here's What Developers Should Know
Dev.to · ArshTechPro 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Years of Apple's Best Security Work, Cracked in Five Days — Here's What Developers Should Know
There's a stat buried in a recent security disclosure that should stop every developer in their...
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 5d ago
TorCT PHP RAT 2026
TorCT PHP RAT 2025 is the silent assassin of the RAT world – a pure PHP Remote Access Trojan that needs zero port forwarding.
Building a Post-Quantum E2EE Library: Introducing Paranoia.ts (searching contributors)
Dev.to · Matéo Callec 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Building a Post-Quantum E2EE Library: Introducing Paranoia.ts (searching contributors)
The web security landscape is about to change dramatically. For years, modern cryptography has...
The $200K Morse Code Heist: How One Tweet Drained Grok's Crypto Wallet (And How to Stop It)
Dev.to · Cor E 🔐 Cybersecurity ⚡ AI Lesson 5d ago
The $200K Morse Code Heist: How One Tweet Drained Grok's Crypto Wallet (And How to Stop It)
On May 4, 2026, an attacker stole nearly $200,000 from Grok's auto-created crypto wallet — without...
QR Code Security Best Practices for Platforms
Dev.to · Nacho González 🔐 Cybersecurity ⚡ AI Lesson 5d ago
QR Code Security Best Practices for Platforms
QR code security best practices for platforms: URL validation, redirect auditing, scan anomaly monitoring, abuse prevention, and enterprise audit logs.
Why Hardened git clone Commands Matter in Modern Dev Tooling
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Why Hardened git clone Commands Matter in Modern Dev Tooling
Most developers use git clone without thinking twice about what happens under the hood: Continue reading on Medium »
Stop trusting your agent skills with vibes. Eliminate the context security risk.
Dev.to · Tessl 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Stop trusting your agent skills with vibes. Eliminate the context security risk.
When you install an npm package, you can run npm audit. When you install a Python package, there's...
Investigating a Command Injection Attack — SOC168: Whoami Command Detected in Request Body |…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Investigating a Command Injection Attack — SOC168: Whoami Command Detected in Request Body |…
In this walkthrough, I investigated a real-world style Command Injection attack inside the LetsDefend SOC platform. The investigation… Continue reading on Mediu
pwning Facts
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
pwning Facts
nmap scan results noticed two port are open which are 22 ssh and 80 which is http Continue reading on Medium »
From the Perspective of a 20-Year Architect: My Own System's Security
Dev.to · Mustafa ERBAY 🔐 Cybersecurity ⚡ AI Lesson 5d ago
From the Perspective of a 20-Year Architect: My Own System's Security
Even though I've been immersed in systems for twenty years, I never thought a security incident on my...
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
THE INTERNET IS SMART BUT ARE WE SAFE?
In Today’s Modern World, Everything Is Connected To The Internet. People Can Talk Face To Face From Different Countries, Send Messages In… Continue reading on M
Detecting Dangerous Shell Commands in Rust — Building a Safety Layer
Dev.to · hiyoyo 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Detecting Dangerous Shell Commands in Rust — Building a Safety Layer
All tests run on an 8-year-old MacBook Air. All results from shipping 7 Mac apps as a solo developer....
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 6d ago
CVE-2026-41615 | Microsoft Authenticator Information Disclosure Vulnerability | R.A.H.S.I. Framework™ Analysis
CVE-2026-41615 | Microsoft Authenticator Information Disclosure Vulnerability | R.A.H.S.I. Framework™ Analysis <img src="https://media2.dev.to/dynamic/image/wid
Medium · Startup 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Twitter OSINT & Threat Intelligence: Toolkit for Ethical Hackers & Security Analysts
Leverage the power of Twitter to uncover threats, analyze adversaries, and strengthen your security posture — ethically and effectively. Continue reading on Med
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Twitter OSINT & Threat Intelligence: Toolkit for Ethical Hackers & Security Analysts
Leverage the power of Twitter to uncover threats, analyze adversaries, and strengthen your security posture — ethically and effectively. Continue reading on Med
Your Encrypted Laptop Isn’t as Safe as You Think
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Your Encrypted Laptop Isn’t as Safe as You Think
Imagine this: someone steals your work laptop. You’re not worried — the disk is encrypted with BitLocker. Without your password, your data… Continue reading on
TCP, Firewalls, Port Forwarding & VPNs — How Data Is Sent and Secured
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
TCP, Firewalls, Port Forwarding & VPNs — How Data Is Sent and Secured
Networking : Part 5 of 5 Continue reading on Medium »
How I Turned a CVSS 10.0 Vulnerability into a Boardroom Business Case
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
How I Turned a CVSS 10.0 Vulnerability into a Boardroom Business Case
Why finding a CVSS 10.0 vulnerability is only half the job — and how I translated technical flaws into financial risk during my graduation… Continue reading on
How I Found SSRF and CORS Misconfigurations in a Modern Web App
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
How I Found SSRF and CORS Misconfigurations in a Modern Web App
Why browsers won’t save your backend API, and how I proved it during a manual penetration test. Continue reading on Medium »
Designing Zero-Trust Remote Access for Thousands of Devices
Hackernoon 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Designing Zero-Trust Remote Access for Thousands of Devices
This article examines how secure remote access architecture fundamentally changes once device fleets scale into the thousands. Instead of treating VPN tunnels o
Security in SQLite: Protecting Data in a Database That Trusts the File System
Dev.to · Athreya aka Maneshwar 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Security in SQLite: Protecting Data in a Database That Trusts the File System
Hello, I'm Maneshwar. I'm building git-lrc, a Micro AI code reviewer that runs on every commit. It is...
Wordfence Intelligence Weekly WordPress Vulnerability Report (May 4, 2026 to May 10, 2026)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Wordfence Intelligence Weekly WordPress Vulnerability Report (May 4, 2026 to May 10, 2026)
Each week, the Wordfence Intelligence team reviews newly disclosed vulnerabilities across the WordPress ecosystem to help site owners… Continue reading on Mediu
Sensitive Information Disclosure via WordPress REST API — Emails Exposed as Usernames
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Sensitive Information Disclosure via WordPress REST API — Emails Exposed as Usernames
Weakness: Information Disclosure Status: Duplicate of a Previously Reported Vulnerability Continue reading on Medium »
What Information uMobix Can Show from Snapchat?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
What Information uMobix Can Show from Snapchat?
Parents today face a challenge that did not exist a decade ago. Kids spend hours on social media apps, and many of those apps are designed… Continue reading on
Remote Process Write Primitive via APC Routines
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Remote Process Write Primitive via APC Routines
Welcome to this new Medium post, today we’ll explore a clever process injection primitive that abuses Windows APC (Asynchronous Procedure… Continue reading on M
SOC Analyst İçin Sysmon Rehberi: Kurulum, Konfigürasyon ve İlk Event Analizi
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
SOC Analyst İçin Sysmon Rehberi: Kurulum, Konfigürasyon ve İlk Event Analizi
Windows ortamlarında güvenlik olaylarını yalnızca standart Event Logs üzerinden analiz etmek çoğu zaman yeterli görünürlük sağlamaz… Continue reading on Medium
Doing Fuzz testing on your code — Python Atheris.
Medium · Python 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Doing Fuzz testing on your code — Python Atheris.
Edge cases and testing robustly Continue reading on Medium »
BARADAI Ransomware: “Hayalet Yazılım”ı Parçalarına Ayırıyoruz
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
BARADAI Ransomware: “Hayalet Yazılım”ı Parçalarına Ayırıyoruz
Cassandra Malware Analysis & Reverse Engineering — İlk Tehdit Raporu Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Mastering the Language of Cyber Risk: A Deep Dive into CVE, CWE, and CVSS
In the rapidly evolving landscape of cybersecurity, clarity is our best defense. To manage risk effectively, professionals rely on a… Continue reading on Medium
Stop Storing JWTs in localStorage: A Security Guide for Web Developers
Dev.to · Damilola Owolabi 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Stop Storing JWTs in localStorage: A Security Guide for Web Developers
When I first learned about JSON Web Tokens (JWTs), I thought I had authentication figured out. The...
Inside Consumer DVRs — Hardware, Firmware & Network Security Evaluation
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Inside Consumer DVRs — Hardware, Firmware & Network Security Evaluation
Hikvision DS-7204HUHI-K Reverse Engineering Notes (L1 Series) Continue reading on Medium »
Cómo construimos un SOC con honeypot e IA local
Dev.to · Yoandy Ramirez Delgado 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Cómo construimos un SOC con honeypot e IA local
Cuando empezamos el proyecto final del master, teníamos claro una cosa: no queríamos montar otro...
Credentials in web applications: how to store them properly
Dev.to · Ian Johnson 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Credentials in web applications: how to store them properly
Almost every breach you read about in the news involves credentials. Sometimes it's passwords pulled...
XSS Nedir ve Neden Hâlâ Tehlikeli? | Bir Siber Güvenlik Öğrencisinin Notları
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
XSS Nedir ve Neden Hâlâ Tehlikeli? | Bir Siber Güvenlik Öğrencisinin Notları
Bu yazı, web güvenliği öğrenme sürecimde tuttuğum teknik notların bir parçasıdır. Continue reading on Medium »
Beyond Repo Scanning: How AIRI Expanded the Risk Vocabulary in STEM BIO-AI 1.7.x
Dev.to · Kwansub Yun 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Beyond Repo Scanning: How AIRI Expanded the Risk Vocabulary in STEM BIO-AI 1.7.x
This is the second half of the same 1.7.x transition. In the previous post, I wrote about...
GitGuardian Now Flags Admin and Overprivileged Identities Across AWS, Entra, and Okta
Dev.to · Dwayne McDaniel 🔐 Cybersecurity ⚡ AI Lesson 6d ago
GitGuardian Now Flags Admin and Overprivileged Identities Across AWS, Entra, and Okta
Not all leaked secrets carry the same risk. A leaked credential attached to a read-only logging job...
‘Won’t Fix’—All VPN Apps Affected As Google Android 16 Leaks Info
Forbes Innovation 🔐 Cybersecurity ⚡ AI Lesson 6d ago
‘Won’t Fix’—All VPN Apps Affected As Google Android 16 Leaks Info
An Android 16 VPN bypass has been confirmed, affecting all VPN apps and exposing your real IP address online, but Google marked the vulnerability report as Won’
How the 2025 “CWE Top 25 Most Dangerous Software Weaknesses” List was Built
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
How the 2025 “CWE Top 25 Most Dangerous Software Weaknesses” List was Built
“Out-Of-Bounds Read” is the CWE Program’s free podcast about common weaknesses in software and hardware, the vulnerabilities they cause… Continue reading on Med
Fortinet & Palo Alto ile Multi-Vendor IPSec VPN Yapılandırması
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Fortinet & Palo Alto ile Multi-Vendor IPSec VPN Yapılandırması
FortiGate ile Palo Alto Arasında IPSec Tüneli Nasıl Kurulur? Continue reading on Medium »
The SLA Credit Scam: What 99.9% vs 99.99% Uptime Actually Means
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
The SLA Credit Scam: What 99.9% vs 99.99% Uptime Actually Means
Stop falling for the SLA credit trap. Discover the true mathematics behind server downtime, the hidden security risks causing outages, and… Continue reading on
Attack of the Dark Ghost of Nonce Reuse: A critical Bitcoin vulnerability and recovery of private…
Medium · Machine Learning 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Attack of the Dark Ghost of Nonce Reuse: A critical Bitcoin vulnerability and recovery of private…
Critical Nonce Reuse Vulnerability Continue reading on Medium »
OpenAI Faces Class-Action Privacy Lawsuit Over Alleged Data Sharing Practices
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
OpenAI Faces Class-Action Privacy Lawsuit Over Alleged Data Sharing Practices
Artificial Intelligence continues to reshape how organizations work, communicate, and innovate. However, as AI adoption accelerates… Continue reading on Medium
ZDNet 🔐 Cybersecurity ⚡ AI Lesson 6d ago
The best VPN routers of 2026: Expert tested and reviewed
My favorite VPN routers provide blanket coverage and security for your home, saving you the work of installing VPNs on individual devices. Check out my top pick
To gain root access at this company, all an intruder had to do was ask nicely
The Register 🔐 Cybersecurity ⚡ AI Lesson 6d ago
To gain root access at this company, all an intruder had to do was ask nicely
Human IT managers thought they were being nice to the boss, but were assisting a threat actor
The Invisible Infrastructure Behind India’s Digital Wallet Ecosystem
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
The Invisible Infrastructure Behind India’s Digital Wallet Ecosystem
Understanding the Cybersecurity, Legal, and Financial Architecture of Prepaid Payment Systems Continue reading on Medium »
SQL injection explained in simple words part 1
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
SQL injection explained in simple words part 1
hii , My name is Abhi or as the user name says HellBoy-zero. this artical will not cover how much i love HellBoy character and how the… Continue reading on Medi
How I Accidentally Became the ‘Security Guy’ at Every Party
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
How I Accidentally Became the ‘Security Guy’ at Every Party
(And Why I Can Never Go to a Social Gathering Without Fixing Someone’s WiFi) Continue reading on Medium »