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 (11,045) Articles (5471)Blog Posts (4297)Tutorials (402)Research Papers (34)News (841)
Airlock: running untrusted code without handing it your keys
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Airlock: running untrusted code without handing it your keys
A disposable, hardened sandbox for npm installs, random repos, and the occasional sketchy CLI. Continue reading on Medium »
Mobile Security
Dev.to · LeoJulieta 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Mobile Security
Boosting Mobile Device Security: Lessons from the Apple Supplier Hack The recent hacking...
How OSINT Changed the Way I Look at the Internet!..
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
How OSINT Changed the Way I Look at the Internet!..
I thought cybersecurity was all about hacking. Learning OSINT made me realize it’s often about observing what people have already made… Continue reading on Medi
Why “change your password” after a data breach is mostly useless advice
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Why “change your password” after a data breach is mostly useless advice
You have seen that email before. Continue reading on ILLUMINATION »
Apple Drops iOS 26.5.2 Update To Patch 25 iPhone Security Flaws
Forbes Innovation 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Apple Drops iOS 26.5.2 Update To Patch 25 iPhone Security Flaws
The latest iPhone update is here, but there are no new features on board. This update is all about security fixes.
Common Security Vulnerabilities in Nigerian Web Apps — And How to Fix Them
Dev.to · zikarelhub 🔐 Cybersecurity ⚡ AI Lesson 5d ago
Common Security Vulnerabilities in Nigerian Web Apps — And How to Fix Them
Most Nigerian business software has never been penetration tested. Here are the vulnerabilities...
Active Directory Attacks — ACL / ACE Abuse
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Active Directory Attacks — ACL / ACE Abuse
In Active Directory (AD), access control is enforced through security descriptors attached to directory objects (users, groups, computers… Continue reading on M
Visibilidade de rede e ativos por meio de monitoramento
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Visibilidade de rede e ativos por meio de monitoramento
Ver o que se passa na rede em tempo real pode ser a solução para uma expansão de infraestrutura segura isso pode ser feito com ferramentas… Continue reading on
Stapler — Intermediate PG OffSec Machine Walkthroughe
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Stapler — Intermediate PG OffSec Machine Walkthroughe
Today I’m sharing the methodology I follow when working through different boxes and machines. It’s probably not the best approach out… Continue reading on Mediu
Linux Hardening Çalışması Nasıl Planlanmalı?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Linux Hardening Çalışması Nasıl Planlanmalı?
SSH, PAM, sudo, auditd, servis sürekliliği ve SIEM görünürlüğü üzerinden pratik saha notları Continue reading on Medium »
Hack Smarter — City Council (Active Directory)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Hack Smarter — City Council (Active Directory)
How can a simple application for public service requests lead to full AD domain compromise? Well, this is what I am going to show you! Continue reading on InfoS
Why Bug Bounty Hunters Are the Future While AI Replaces Software Engineers
Medium · ChatGPT 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Why Bug Bounty Hunters Are the Future While AI Replaces Software Engineers
The one skill AI can’t automate – and how it’s quietly making people rich* Continue reading on Medium »
Reddit r/cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Fileless macOS malware triggered by `npm`/`node`, survives clean reinstalls, evades Malwarebytes, blocked by DTrace/gcore (SIP). Need help identifying it.
So i was working with claude code on a project locally and found out a proccess start when i do npm run dev or build, this was pointed out by claude and somewha
My Brain Has Too Many Tabs Open: The High-Performance Art of Hard Reset
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
My Brain Has Too Many Tabs Open: The High-Performance Art of Hard Reset
Why rejecting tech-bro “bio-hacking” and the sterile hoodie stereotype is the only real way to survive as a woman in cybersecurity. Continue reading on Medium »
Building a Zero Trust Security Strategy with Palo Alto Networks
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Building a Zero Trust Security Strategy with Palo Alto Networks
Cybercriminals no longer rely on brute-force attacks alone. Today’s attackers steal identities, exploit trusted users, abuse cloud… Continue reading on Medium »
Intigriti Monthly Bonus Challenge — Leaky Jar (June 2026)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Intigriti Monthly Bonus Challenge — Leaky Jar (June 2026)
Challenge: Intigriti 0626 (Bonus) — Leaky Jar Target: https://leakyjar.intigriti.io/ Category: Web Vulnerability: Unauthenticated… Continue reading on Medium »
I Tested the 5 Best Online Image Converter Tools (2026): Here’s the Winner
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
I Tested the 5 Best Online Image Converter Tools (2026): Here’s the Winner
One careless image upload can expose far more than you realize. Every day, millions of people use free online image converters to change… Continue reading on Pr
TryHackMe — Simple CTF: The Note That Gave Everything Away
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
TryHackMe — Simple CTF: The Note That Gave Everything Away
The FTP server was anonymous. The password was “secret”. The vim binary was sudo. This box didn’t hide anything, it just waited to see if… Continue reading on M
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
How AI-Powered Firewalls Outsmart Hackers Before They Strike
Cyberattacks are no longer a rare event but part of everyday life — for businesses and even for individual users. Phishing emails… Continue reading on Medium »
AdversaryGraph v5.0: From CTI Mapping to Attack Simulation and SIEM Validation
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
AdversaryGraph v5.0: From CTI Mapping to Attack Simulation and SIEM Validation
A self-hosted CTI-to-detection workbench for ATT&CK mapping, IOC investigation, malware analysis, asset attack-surface mapping, attack… Continue reading on Medi
Trust But Verify Write-up Cylab-Academy(PicoCTF)
Medium · LLM 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Trust But Verify Write-up Cylab-Academy(PicoCTF)
Hello everyone, and welcome to this new guide covering the picoCTF (CyberLab Academy) challenges; this is the first one I’ve done… Continue reading on Medium »
Beyond Consent: Why DPDP Phase 2 Is a Governance Challenge for Organizations
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Beyond Consent: Why DPDP Phase 2 Is a Governance Challenge for Organizations
Why Consent Management Could Be the Defining Compliance Challenge Continue reading on Medium »
Current Cybersecurity Operating Models Do Not Operate at the Speed and Acceleration of the Attack…
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Current Cybersecurity Operating Models Do Not Operate at the Speed and Acceleration of the Attack…
We have spent years arguing about the size of the attack surface. Size was never the thing that was going to hurt us. Continue reading on Medium »
Current Cybersecurity Operating Models Do Not Operate at the Speed and Acceleration of the Attack…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Current Cybersecurity Operating Models Do Not Operate at the Speed and Acceleration of the Attack…
We have spent years arguing about the size of the attack surface. Size was never the thing that was going to hurt us. Continue reading on Medium »
OverTheWire Bandit Walkthrough — Level 25 → 26 | 30-Day Cybersecurity Learning Journey (Day 25)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
OverTheWire Bandit Walkthrough — Level 25 → 26 | 30-Day Cybersecurity Learning Journey (Day 25)
Escaping a restricted shell through a pager and vim and why understanding how non-standard shells behave is a critical skill in both… Continue reading on Medium
Why Customer Identity and Access Management (CIAM) Is More Important Than Ever
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Why Customer Identity and Access Management (CIAM) Is More Important Than Ever
Every digital interaction begins with an identity. Whether customers are logging into a banking app, shopping online, or accessing… Continue reading on Medium »
Reconnaissance in Ethical Hacking: The Foundation of Every Successful Penetration Test
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Reconnaissance in Ethical Hacking: The Foundation of Every Successful Penetration Test
Learn the fundamentals of passive and active reconnaissance, explore essential commands, and understand why information gathering is the… Continue reading on Me
The Verge 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Leaked iPhone 18 Pro photos reportedly wound up on the dark web
Leaked iPhone 18 Pro photos and parts lists appeared on the dark web following a data breach affecting one of Apple's key suppliers, according to a report from
Egress problems and where to find them
Dev.to · Meg528 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Egress problems and where to find them
Written by Simeon Griggs Name something in recent history that got better and cheaper (other than...
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Web3 Navigates Rising Cyber Threats Amidst Emerging Development Opportunities
🔗 Live Dashboard: autonomous-portfolio-2026.live 📢 Telegram: t.me/AII2026futher Today's Headlines BTC holds $59,745 (-0.1%), ETH stable, and SOL gains 2.5% to
The Fight For Decision Advantage 3D Physical Security Has Arrived
Forbes Innovation 🔐 Cybersecurity ⚡ AI Lesson 6d ago
The Fight For Decision Advantage 3D Physical Security Has Arrived
Tools without trained operators and clear decision frameworks produce the illusion of readiness, not resilience.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Anthropic Built Mythos then pulled back. I’d Been Building the Same Idea since before and…
When Anthropic pulled back the curtain on Claude Mythos — the model so good at finding vulnerabilities they locked it behind a vetted… Continue reading on Mediu
LetsDefend: SOC137 — Malicious File/Script Download Attempt
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
LetsDefend: SOC137 — Malicious File/Script Download Attempt
In this walkthrough, we will investigate a SOC137 — Malicious File/Script Download Attempt alert generated by LetsDefend. Continue reading on Medium »
How to Prevent Sextortion, Respond Effectively, and Protect Your Privacy— Stay Safe from Digital…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
How to Prevent Sextortion, Respond Effectively, and Protect Your Privacy— Stay Safe from Digital…
Digital blackmail scams are no longer rare cybercrimes affecting only celebrities or public figures. They have become one of the… Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Introduction to SIEM
Introduction to SIEM: Turning Raw Logs into Actionable Security Intelligence Continue reading on Medium »
Does NIS2 Require DMARC? Email Authentication Explained
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Does NIS2 Require DMARC? Email Authentication Explained
If you are working out what NIS2 means for your organization’s email, this guide is for you. NIS2 is the European Union’s updated… Continue reading on Medium »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 6d ago
CVE-2026-42824 SearchLeak: How M365 Copilot Became a One-Click Data Exfiltration Tool
CVE-2026-42824, named "SearchLeak" by Varonis Threat Labs researchers who discovered it, is a critical three-stage vulnerability chain in Microsoft 365 Copilot
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 6d ago
CVE-2026-45463 | Microsoft Office Remote Code Execution Vulnerability | R.A.H.S.I. Framework™ Analysis
CVE-2026-45463 | Microsoft Office Remote Code Execution Vulnerability | R.A.H.S.I. Framework™ Analysis <img src="https://media2.dev.to/dynamic/image/width=800%2
TechRepublic 🔐 Cybersecurity ⚡ AI Lesson 6d ago
New Infostealer Data Raises Fresh Risks for New Zealand Password Users
Have I Been Pwned added 124M stolen passwords. Discover how this infostealer data impacts New Zealand users and the essential steps to protect your online accou
Polymarket battles cyberattack while regulatory pressure intensifies across American prediction markets
ReadWrite 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Polymarket battles cyberattack while regulatory pressure intensifies across American prediction markets
Polymarket is dealing with mounting problems on several fronts after a phishing campaign stole millions of dollars from users just… Continue reading Polymarket
AI may be good at finding security vulnerabilities, but it can't beat human stupidity
The Register 🔐 Cybersecurity ⚡ AI Lesson 6d ago
AI may be good at finding security vulnerabilities, but it can't beat human stupidity
You don't need Mythos or GPT-5.5-Cyber to find a vuln to exploit when the world's password habits are so sloppy
TechRepublic 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Update Chrome Now: Google Fixes 18 Security Flaws, Including Critical Bugs
Google’s Chrome 149 security update fixes 18 bugs, including four critical flaws affecting WebGL, Autofill, and Blink components. The post Update Chrome Now: Go
​Why Cyber Isn't Just A Risk Oversight Issue—It’s A Strategic Execution Issue
Forbes Innovation 🔐 Cybersecurity ⚡ AI Lesson 6d ago
​Why Cyber Isn't Just A Risk Oversight Issue—It’s A Strategic Execution Issue
What happens when a risk that shapes strategic execution is handled primarily through a structure designed for controls, compliance and disclosure?​
Cache Poisoning at the Edge: How Cloudflare Workers & Vercel Edge Functions Break Everything You…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Cache Poisoning at the Edge: How Cloudflare Workers & Vercel Edge Functions Break Everything You…
“The most dangerous place to introduce a bug is between two systems that both think the other one is handling security.” Continue reading on Medium »
Day 29: ROP Emporium split x86_64 Writeup
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Day 29: ROP Emporium split x86_64 Writeup
A simple beginner writeup for the ROP Emporium split x86_64 challenge, showing how to use a small trick to run “/bin/cat flag.txt” and get… Continue reading on
Why Most Disaster Recovery Solves The Wrong Problem
Forbes Innovation 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Why Most Disaster Recovery Solves The Wrong Problem
Here's how leaders can align disaster recovery with business impact, revenue protection and customer trust.
Five Signs Your SaaS Stack Is Creating More Risk Than Value
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Five Signs Your SaaS Stack Is Creating More Risk Than Value
Most SaaS risk management still runs on a per-seat mental model. Buy the licenses, route everyone through single sign-on, switch off the… Continue reading on St
Why Sending Confidential Files Is Still a Massive Security Risk in 2026
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6d ago
Why Sending Confidential Files Is Still a Massive Security Risk in 2026
Every day, companies share contracts, financial reports, source code, legal documents, creative assets and confidential media online. Continue reading on Medium