Tech Skills

Cybersecurity

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

17,983
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 (11,074) Articles (5491)Blog Posts (4301)Tutorials (407)Research Papers (34)News (841)
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Structural exclusion is the only defense that scales
Structural exclusion is the only defense that scales. A single line. Hold it. More as the build matures. — chiefmojo79
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
How I Built CoralSec Copilot: A Unified Enterprise SOC with Coral & Next.js in 4 Days
The tech industry is currently in a frenzy. Everyone is rushing to build the next big AI application, slapping a chatbot interface onto a database and calling i
Your .env Files Are a Security Risk. I Built dotlock to Fix That
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Your .env Files Are a Security Risk. I Built dotlock to Fix That
There’s a piece of advice every developer gets early in their career: Continue reading on Medium »
Reddit r/learnprogramming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Github code check request!
Can anyone experienced check if this is safe to clone? I saw it had a bat file and was unsure. https://github.com/Anton2319/WireGuardExamples/tree/main submitte
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Structural exclusion is the only defense that scales
Structural exclusion is the only defense that scales. A single line. Hold it. More as the build matures. — chiefmojo79
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Structural exclusion is the only defense that scales
Structural exclusion is the only defense that scales. A single line. Hold it. More as the build matures. — chiefmojo79
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
The Internet’s Silent War: How Websites Are Fighting Back Against AI Bots
The Internet’s Silent War: How Websites Are Fighting Back Against AI Bots Continue reading on Medium »
$575 CSRF: Triggering Payment Receipt Emails Without User Consent
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
$575 CSRF: Triggering Payment Receipt Emails Without User Consent
Hi Everyone! This write is about a Cross-Site Request Forgery (CSRF) vulnerability in the payment flow that allowed an attacker to trigger… Continue reading on
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Structural exclusion is the only defense that scales
Structural exclusion is the only defense that scales. A single line. Hold it. More as the build matures. — chiefmojo79
Understanding Phishing Attacks: How to Protect Your Digital Identity
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Understanding Phishing Attacks: How to Protect Your Digital Identity
Introduction In today’s interconnected world, one of the most common threats to our digital security is “Phishing.” As a cybersecurity… Continue reading on Medi
A $10,000 Bug. One JSON Field. Every Account on the Platform.
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
A $10,000 Bug. One JSON Field. Every Account on the Platform.
One intercepted request. One parameter swap. Full access to any account on the platform. Continue reading on InfoSec Write-ups »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
What Should I Do Before My Wallet Gets Drained? Learning Guide Step by Step
Table of Contents Why Wallet Safety Should Start Early Understanding How Wallet Drainer Scams Work Step 1: Check Every Website Carefully Step 2: Understand Wall
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Structural exclusion is the only defense that scales
Structural exclusion is the only defense that scales. A single line. Hold it. More as the build matures. — chiefmojo79
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Structural exclusion is the only defense that scales
Structural exclusion is the only defense that scales. A single line. Hold it. More as the build matures. — chiefmojo79
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Structural exclusion is the only defense that scales
Structural exclusion is the only defense that scales. A single line. Hold it. More as the build matures. — chiefmojo79
How a VS Code Extension Supply Chain Attack Works
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
How a VS Code Extension Supply Chain Attack Works
The scariest cybersecurity attacks today don’t always target servers directly… Continue reading on Medium »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Structural exclusion is the only defense that scales
Structural exclusion is the only defense that scales. A single line. Hold it. More as the build matures. — chiefmojo79
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Structural exclusion is the only defense that scales
Structural exclusion is the only defense that scales. A single line. Hold it. More as the build matures. — chiefmojo79
Your ISP Doesn’t Need DNS to See What You Visit
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Your ISP Doesn’t Need DNS to See What You Visit
I Spent a Week Hiding My DNS Queries, Only to Realize My ISP Was Already Watching Through the Front Door Continue reading on OSINT Team »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Structural exclusion is the only defense that scales
Structural exclusion is the only defense that scales. A single line. Hold it. More as the build matures. — chiefmojo79
I Built a Template Engine That Takes Security Seriously
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
I Built a Template Engine That Takes Security Seriously
Every template engine claims to be secure. Most of them just give you an escape function and hope you remember to use it. Continue reading on Medium »
I Built a Privacy-Preserving Cyberattack Detector at 17 — Here’s What I Learned About Federated…
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
I Built a Privacy-Preserving Cyberattack Detector at 17 — Here’s What I Learned About Federated…
Here is something that bothered me when I started learning about cybersecurity. To train an AI that detects cyberattacks, you need data… Continue reading on Med
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Structural exclusion is the only defense that scales
Structural exclusion is the only defense that scales. A single line. Hold it. More as the build matures. — chiefmojo79
The Hidden Surveillance Risk Inside Ordinary WiFi
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
The Hidden Surveillance Risk Inside Ordinary WiFi
When Everyday Routers Become Passive Identity Sensors without Cameras, Phones, or Consent Continue reading on Medium »
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Every online PDF tool uploads your documents to their servers.
PDF Toolbox processes files entirely in your browser using pdf-lib and pdfjs-dist. No file ever leaves your computer. No uploads, no… Continue reading on Medium
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Structural exclusion is the only defense that scales
Structural exclusion is the only defense that scales. A single line. Hold it. More as the build matures. — chiefmojo79
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
I Leaked API Keys Through My .env File — Here's What I Learned About Secret Management
I Leaked API Keys Through My .env File — Here's What I Learned About Secret Management Last month, I pushed a commit that included a .env.production file. Not a
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Structural exclusion is the only defense that scales
Structural exclusion is the only defense that scales. A single line. Hold it. More as the build matures. — chiefmojo79
Improving C# Memory Safety: Why Modern .NET Is Quietly Becoming More Secure
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Improving C# Memory Safety: Why Modern .NET Is Quietly Becoming More Secure
A few years ago, whenever developers talked about “memory safety,” the conversation usually centered around languages like: Continue reading on Towards Dev »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Structural exclusion is the only defense that scales
Structural exclusion is the only defense that scales. A single line. Hold it. More as the build matures. — chiefmojo79
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
The 2026 "SIM Swap" Threat: How to Protect Your Phone Number Today
The 2026 "SIM Swap" Threat: How to Protect Your Phone Number Today Quick Answer (TL;DR) Implement strong, app-based Multi-Factor Authentication (MFA) instead of
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Structural exclusion is the only defense that scales
Structural exclusion is the only defense that scales. A single line. Hold it. More as the build matures. — chiefmojo79
Your Password Was Hashed and Salted. So Why Is It Still in the Breach?
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Your Password Was Hashed and Salted. So Why Is It Still in the Breach?
Salted hashing is not a vault. It’s a speed bump — and for most attackers, not even a significant one. Continue reading on Medium »
The OpenAI npm Attack Was a Git Mistake. You Probably Made It Too.
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
The OpenAI npm Attack Was a Git Mistake. You Probably Made It Too.
Six minutes. 84 poisoned packages. Two compromised devices at OpenAI. The trust boundary that broke is the same one most senior engineers… Continue reading on M
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Structural exclusion is the only defense that scales
Structural exclusion is the only defense that scales. A single line. Hold it. More as the build matures. — chiefmojo79
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
The New Security Boundary Is Who Gets to Ask the Question
There is a strange phase in every powerful developer tool where the debate gets stuck on the wrong surface. Continue reading on Medium »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Structural exclusion is the only defense that scales
Structural exclusion is the only defense that scales. A single line. Hold it. More as the build matures. — chiefmojo79
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Hardware hacking (UART)
UART (Universal Asynchronous Receiver-Transmitter) is a serial communication protocol.It is an old method of communication for two devices… Continue reading on
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Structural exclusion is the only defense that scales
Structural exclusion is the only defense that scales. A single line. Hold it. More as the build matures. — chiefmojo79
Update or not, that is the question
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Update or not, that is the question
How to deal with updates in the era of supply chain attacks and low-quality updates Continue reading on ITNEXT »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Professional Crypto Recovery hacking "Support" Intelligence Cyber Wizard
Professional Crypto Recovery hacking "Support" Intelligence Cyber Wizard Trusted Bitcoin Recovery Services in the USA, UK, Canada, and Australia Intelligence Cy
Building a Secure File Sharing Using Blockchain-Style Integrity Verification
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Building a Secure File Sharing Using Blockchain-Style Integrity Verification
For my final-year academic project, I built a Secure File Transfer System Using Blockchain. Continue reading on Medium »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Universal SASE vs Single-Vendor SASE: Which Delivers Better Security & Performance?
August 2025. Attackers compromise OAuth tokens inside Salesloft's Drift platform. Those tokens carry permissions to customer Salesforce instances - permissions
Inside the Microsoft Sentinel Platform: A Deep Dive into the Data Lake, Graph, and MCP Server
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Inside the Microsoft Sentinel Platform: A Deep Dive into the Data Lake, Graph, and MCP Server
A technical walk-through of the three layers that turned Sentinel from a SIEM into a security platform. Continue reading on ITNEXT »
I Forked 47 Dependencies Last Month — And My Builds Are Finally Safe (For Now)
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
I Forked 47 Dependencies Last Month — And My Builds Are Finally Safe (For Now)
The Mini Shai-Hulud attacks just proved what many of us contractors knew: blind npm update is Russian roulette in 2026. Here’s the boring… Continue reading on S
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Autonomous Lab Alert: Europol Dismantles First VPN Criminal Network
🔗 Live Dashboard: autonomous-portfolio-2026.live 📢 Telegram: t.me/AII2026futher Live Headlines Europol's law enforcement operation dismantled First VPN (1VPNS
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Two-Factor Authentication Flaws: Why SMS 2FA is No Longer Safe
Two-Factor Authentication Flaws: Why SMS 2FA is No Longer Safe Quick Answer (TL;DR) SMS-based Two-Factor Authentication (2FA) is critically vulnerable to attack
Metamorphic Malware in 2026: Why Your EDR Is Already Losing the Arms Race
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Metamorphic Malware in 2026: Why Your EDR Is Already Losing the Arms Race
LEGAL DISCLAIMER: Educational use only in isolated lab environments. Do not deploy against systems you don’t own. Continue reading on Medium »