Tech Skills

Cybersecurity

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

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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 (11,052) Articles (5477)Blog Posts (4298)Tutorials (402)Research Papers (34)News (841)
Built an AI-Powered WAF for PHP/Laravel Apps in Africa — Here’s What It Catches
Dev.to · Nchiminyi — Founder, Kriosa 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Built an AI-Powered WAF for PHP/Laravel Apps in Africa — Here’s What It Catches
Originally published on Medium A student developer from Cameroon built a security tool that explains...
Seven Unpatched FatFs Flaws Put Millions of Embedded Devices One USB Away From a Jailbreak
Dev.to · Etairos.ai 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Seven Unpatched FatFs Flaws Put Millions of Embedded Devices One USB Away From a Jailbreak
TL;DR what: runZero disclosed seven vulnerabilities in FatFs, a tiny FAT/exFAT...
We open-sourced our security audit. Here's what we found (and fixed).
Dev.to · Edison Flores 🔐 Cybersecurity ⚡ AI Lesson 1d ago
We open-sourced our security audit. Here's what we found (and fixed).
MarketNow got pentested. 4 CRITICAL, 5 HIGH, 7 MEDIUM findings. All fixed. Here's the full report.
We open-sourced our security audit
Dev.to · Edison Flores 🔐 Cybersecurity ⚡ AI Lesson 1d ago
We open-sourced our security audit
MarketNow got pentested. 4 CRITICAL, 5 HIGH, 7 MEDIUM. All fixed.
GET Was Too Small. POST Was Too Generic. QUERY Entered the Chat. RFC 10008 Explained
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
GET Was Too Small. POST Was Too Generic. QUERY Entered the Chat. RFC 10008 Explained
As someone working in DevSecOps and API Security, I spend a lot of time understanding how web applications and APIs communicate. Recently… Continue reading on M
I Built a Four‑Cloud Security Scanner That Auto‑Fixes Attack Chains – Here's How
Dev.to · APCSS SECURITY 🔐 Cybersecurity ⚡ AI Lesson 1d ago
I Built a Four‑Cloud Security Scanner That Auto‑Fixes Attack Chains – Here's How
🚀 The Problem Cloud security tools like Wiz and Orca are incredibly powerful – but they...
Fools Mate-TryHackMe Write-UP
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Fools Mate-TryHackMe Write-UP
Hello and welcome to my first write-up, I am d4nc00p3r and I am a new pentester learning by myself. Continue reading on Medium »
The Hidden Dangers of DMARC p=none: Why It's Undermining Your Email Security (Not Just Deliverability)
Dev.to · Azeem Malik 🔐 Cybersecurity ⚡ AI Lesson 1d ago
The Hidden Dangers of DMARC p=none: Why It's Undermining Your Email Security (Not Just Deliverability)
Understanding DMARC and the 'p=none' Policy DMARC (Domain-based Message Authentication,...
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Keunggulan Teknologi Arjuna138: Sistem Fair Play dan Kemenangan Terjamin
Di era digital, keamanan dan keadilan adalah dua pilar utama yang menentukan kepercayaan pemain terhadap sebuah platform game online. Arjuna138 hadir dengan kom
The MCP attack your code review cannot see
Dev.to · Kiell Tampubolon 🔐 Cybersecurity ⚡ AI Lesson 1d ago
The MCP attack your code review cannot see
Here is a line from an MCP manifest that would pass most code reviews: { "name": "search",...
Securing the Amnesiac Cloud: Database-Free Token Auth in Apps Script Web Apps
Dev.to · Hayrullah Kar 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Securing the Amnesiac Cloud: Database-Free Token Auth in Apps Script Web Apps
Stop relying on vulnerable client-side states. Learn how to engineer production-grade session tokens, server-side RBAC, and audit logs using native CacheService
How one line in my log scanner's allowlist was muting alerts I never told it to
Dev.to · TiltedLunar123 🔐 Cybersecurity ⚡ AI Lesson 1d ago
How one line in my log scanner's allowlist was muting alerts I never told it to
threatlens is a log triage cli i've been building. you point it at windows event logs, or syslog, or...
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Your AI Coding Assistant Is Still Hashing Passwords Like It Is 2009
A developer I know sent me their side project to look over before launch. Auth worked, signup worked, everything ran. Then I opened the… Continue reading on Med
Best Free SSL Certificate Providers 2026
Medium · Startup 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Best Free SSL Certificate Providers 2026
A Secure Sockets Layer (SSL) certificate is no longer optional. Whether you run a personal blog, an online store, Continue reading on Medium »
Why Cursor Keeps Hashing Passwords With MD5 (And How to Fix It)
Dev.to · Charles Kern 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Why Cursor Keeps Hashing Passwords With MD5 (And How to Fix It)
TL;DR AI editors still reach for md5/sha1 to hash passwords because that is what a decade...
Malware Analysis: Fake “Search for Perplexity AI” Chromium Extension
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Malware Analysis: Fake “Search for Perplexity AI” Chromium Extension
A Search Hijacker / Spyware That Intercepts Every Query via a Look-Alike Domain Continue reading on Medium »
How I built a zero-knowledge encrypted cloud storage app: the complete crypto architecture
Dev.to · Rajath R 🔐 Cybersecurity ⚡ AI Lesson 1d ago
How I built a zero-knowledge encrypted cloud storage app: the complete crypto architecture
For the past two years I've been building Silvora - a zero-knowledge encrypted cloud storage app -...
ENIGMA CTF BOOTCAMP DAY 5-FORENSICS TASK
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
ENIGMA CTF BOOTCAMP DAY 5-FORENSICS TASK
CHALLENGE : Camp Nou Conspiracy Continue reading on Medium »
Hacker News (AI) 🔐 Cybersecurity ⚡ AI Lesson 1d ago
I found a malware hiding in my TailwindCSS config file
Comments
Fool’s Mate: Beating a Chess Engine That Cheats — A TryHackMe Walkthrough
Medium · JavaScript 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Fool’s Mate: Beating a Chess Engine That Cheats — A TryHackMe Walkthrough
https://tryhackme.com/room/foolsmate Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Anyone Can Make Your Coding Agent Run Their Code. They Never Touch Your Machine.
A new attack called agentjacking hit an 85 percent success rate against Claude Code, Cursor, and Codex, and every security tool you own is… Continue reading on
The Blind Spot of Every Cloud Config Scanner
Dev.to · Bala Paranj 🔐 Cybersecurity ⚡ AI Lesson 1d ago
The Blind Spot of Every Cloud Config Scanner
Most cloud security tools check settings one at a time. The breaches come from how settings combine. The maintainers of the best open-source scanner have been s
Celebrating America's First 250 Years By Securing The Next 250
Forbes Innovation 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Celebrating America's First 250 Years By Securing The Next 250
As America celebrates 250 years of independence, cybersecurity, AI and critical infrastructure resilience will determine the nation's security for the next 250.
Millions of Embedded Devices at Risk: Critical FatFs Vulnerabilities Demand Immediate Attention
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Millions of Embedded Devices at Risk: Critical FatFs Vulnerabilities Demand Immediate Attention
Embedded devices form the backbone of today’s connected world, powering everything from industrial automation systems and medical devices… Continue reading on M
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Membedah Serangan Phishing: Cara Kerja SEToolkit & Zphisher (dan Cara Melindungi Diri dari…
Disclaimer: Artikel ini dibuat untuk tujuan edukasi security awareness dan pengujian di lab pribadi. Semua demonstrasi dilakukan di… Continue reading on Medium
Drone’ların Beyni Nasıl Çalışır: FreeRTOS ve ARM Cortex-M Mimarisi Üzerine Bir Güvenlik…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Drone’ların Beyni Nasıl Çalışır: FreeRTOS ve ARM Cortex-M Mimarisi Üzerine Bir Güvenlik…
Bir güvenlik mühendisi olarak sistemleri test etmek için önce onları anlamak gerektiğine inanıyorum. MAVLink fuzzer yazarken ArduPilot’un… Continue reading on M
Why HIPAA Doesn't Cover the Health Data Your API Just Pulled
Dev.to · Spicy 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Why HIPAA Doesn't Cover the Health Data Your API Just Pulled
If you're building anything on top of HealthKit, Google Fit, or a direct wearable API integration,...
Sensitive Information Disclosure: What It Is and the Top 10 Tools to Find It in 2026
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Sensitive Information Disclosure: What It Is and the Top 10 Tools to Find It in 2026
A practical primer on one of the most common — and most underestimated — classes of web vulnerability, plus the current toolkit security… Continue reading on Me
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1d ago
My Journey Into Cyber Security: 5 Things I Wish I Knew Before Starting
When I first became interested in cyber security, I thought it was all about hacking into systems and writing complex code. Social media and movies made it look
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Your Money vs. Quantum Computing: The Upgrade We Need, The Risk We’re Not Ready For
The Quantum Margin Squeeze: How the Next Computing Revolution Could Reshape Your Financial Security Continue reading on Medium »
How to Start a Career in Cyber Security in Kerala: Complete Beginner’s Roadmap for 2026
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
How to Start a Career in Cyber Security in Kerala: Complete Beginner’s Roadmap for 2026
Cybersecurity is no longer a niche field reserved for large technology companies. As businesses, banks, healthcare providers, and… Continue reading on Medium »
Opération endgame : l’impact stratégique du démantèlement sur la gestion des risques tiers
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Opération endgame : l’impact stratégique du démantèlement sur la gestion des risques tiers
L’opération policière internationale d’envergure, baptisée Endgame et coordonnée avec brio par Europol et Eurojust, marque un tournant… Continue reading on Medi
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Build your Cyber Security Career Part — 2
Zero Trust versus Trust but Verify Continue reading on Medium »
The Best Reliable Alternatives for SMS Verification in 2026
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
The Best Reliable Alternatives for SMS Verification in 2026
If you’ve tried to log into SMS-Activate recently, you might have noticed something is wrong. It’s official: one of the industry’s biggest… Continue reading on
What Is an Identity in IAM? It Is Not What You Think
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
What Is an Identity in IAM? It Is Not What You Think
If you are trying to break into identity and access management, or you already work in it, one word follows you everywhere. Identity. You… Continue reading on M
Basic Pentesting: 1
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Basic Pentesting: 1
My First VulnHub Walkthrough Continue reading on Medium »
InfoQ AI/ML 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Cycle Introduces EU Control Plane as Sovereignty Debate Continues
Cycle recently introduced a separate EU-based control plane, allowing European customers to keep platform management data and telemetry within Europe. The new o
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
VPN Internals: How VPN and IPsec Actually Work Under the Hood
If you ask most people what a VPN does, you’ll get the same answer every time: “it changes your IP address.” That’s true, but it’s like… Continue reading on Med
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Silentium HTB |Complete Walkthrough|
Silentium HTB — Complete Walkthrough Continue reading on Medium »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 1d ago
FBI Botnet Takedown Highlights IoT Security Risks Amidst Robust Web3 Development
🔗 Live Dashboard: autonomous-portfolio-2026.live 📢 Telegram: t.me/AII2026futher Today's Headlines Major cryptocurrencies BTC (+1.4%), ETH (+2.4%), and SOL (+1
N Mistakes I Made with HashiCorp Vault and AWS Secrets Manager in 2026
Dev.to · isabelle dubuis 🔐 Cybersecurity ⚡ AI Lesson 1d ago
N Mistakes I Made with HashiCorp Vault and AWS Secrets Manager in 2026
During a recent multi-region rollout, our pipeline stalled for 42 minutes because a Terraform module...
Your PDF tool is storing your files. Here's proof.
Dev.to · Muhammad Arbaz 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Your PDF tool is storing your files. Here's proof.
Upload a file to any random "free" PDF tool online. Then check their privacy policy. Most of them...
Ethical Hacking vs Cyber Security: Which Career is Better in 2026?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Ethical Hacking vs Cyber Security: Which Career is Better in 2026?
Technology is evolving faster than ever, and so are cyber threats. From ransomware attacks on multinational companies to phishing scams… Continue reading on Med
What is Dead-Man Switch ? How I uses it?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
What is Dead-Man Switch ? How I uses it?
Dead-Man Switch is the switch triggers automatically when you are unable to prove that you are alive to the running server. With it we can… Continue reading on
SOC Analyst Lab: LSASS Credential Dumping Detection & Response
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
SOC Analyst Lab: LSASS Credential Dumping Detection & Response
SOC Analyst Lab: LSASS Credential Dumping Detection & Response. Continue reading on Medium »
Finding Exposed Services (and Fixing Them) with ScanSearch and Python
Dev.to · Billy 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Finding Exposed Services (and Fixing Them) with ScanSearch and Python
Ever wondered what parts of your infrastructure are inadvertently exposed to the internet? Or maybe...
How Are Cyber criminals Tracked Across International Borders?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
How Are Cyber criminals Tracked Across International Borders?
The internet has made communication and business faster than ever before, but it has also enabled cyber criminals to operate across… Continue reading on Medium
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
How I Found an Account Takeover (ATO) in Swisscom
Password Reset Token Reuse → Account Takeover Continue reading on Medium »