Tech Skills

Cybersecurity

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

17,989
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 (11,080) Articles (5495)Blog Posts (4303)Tutorials (407)Research Papers (34)News (841)
Beyond MFA: Why Identity Security Has Become the Foundation of Modern Cyber Resilience
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1h ago
Beyond MFA: Why Identity Security Has Become the Foundation of Modern Cyber Resilience
Every week, organizations invest millions in firewalls, endpoint protection, cloud security, and AI-powered threat detection. Continue reading on All About Cybe
Beyond Compliance: What Earning the ISO/IEC 27701:2025 Lead Auditor Certification Means to Me
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3h ago
Beyond Compliance: What Earning the ISO/IEC 27701:2025 Lead Auditor Certification Means to Me
In today’s digital world, data has become one of the most valuable assets organizations possess. Every online transaction, registration… Continue reading on Med
Fool’s Mate: When the Engine Bluffs
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3h ago
Fool’s Mate: When the Engine Bluffs
Room: Fool’s Mate — TryHackMe Difficulty: Easy | Category: Web / Client-Side Bypass Author: Abdul Rehman | LinkedIn | TryHackMe Continue reading on Medium »
Top 5 Cybersecurity Interview Questions (2026) | Perfectnotes
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3h ago
Top 5 Cybersecurity Interview Questions (2026) | Perfectnotes
Cybersecurity is one of the fastest-growing fields in the world, with millions of unfilled roles. However, passing a technical security… Continue reading on Med
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 6h ago
Essential Cybersecurity Guide for Small Business Owners
MicroTech Systems offers an essential cybersecurity guide for small business owners seeking stronger protection against evolving cyber… Continue reading on Medi
Cloud-Based Cybersecurity Solutions: Benefits, Features, and Best Practices
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 7h ago
Cloud-Based Cybersecurity Solutions: Benefits, Features, and Best Practices
A few years ago, “cybersecurity” mostly meant a firewall sitting in a server closet somewhere, quietly doing its job while nobody thought… Continue reading on M
Understanding RELRO and the Global Offset Table (GOT): A Hands-On Linux Deep Dive
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 8h ago
Understanding RELRO and the Global Offset Table (GOT): A Hands-On Linux Deep Dive
Learn how Linux dynamically links functions, how the GOT works, what RELRO protects, and how to inspect everything yourself using GDB… Continue reading on Mediu
Understanding DEP/NX and PIE in Linux: A Hands-On Deep Dive Into Modern Memory Protections
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 9h ago
Understanding DEP/NX and PIE in Linux: A Hands-On Deep Dive Into Modern Memory Protections
Learn how Linux prevents code execution from data memory, randomizes executable code, and why modern binaries are much harder to attack… Continue reading on Med
Managed Cybersecurity for NZ Small Businesses: What You Actually Need in 2026
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 9h ago
Managed Cybersecurity for NZ Small Businesses: What You Actually Need in 2026
Managed cybersecurity combines 24/7 network monitoring, endpoint protection, staff phishing training, and Privacy Act compliance reporting… Continue reading on
India Just Joined an Elite Club. Here’s Why That Matters for Global Infrastructure Security
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 11h ago
India Just Joined an Elite Club. Here’s Why That Matters for Global Infrastructure Security
India is now the 7th country to master Gallium Nitride semiconductor technology a capability once denied to it, now developed… Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 13h ago
How Does a Login System Verify You If the Salt is Always Random?
Hello everyone !! Welcome back !!  Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 13h ago
Top Certification Courses to Launch Your IT Career in 2026
The IT industry continues to evolve at an incredible pace, creating exciting opportunities for professionals equipped with the right… Continue reading on Medium
Penetration Testing, Explained Properly: How You Break Into a System to Prove It Can’t Be Broken…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 13h ago
Penetration Testing, Explained Properly: How You Break Into a System to Prove It Can’t Be Broken…
Everyone says “we should do a pentest.” Far fewer can say what actually happens during one, why permission is the whole game, or why the… Continue reading on Me
SOCSimulator
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 13h ago
SOCSimulator
SOCSimulator: SOC analyst training, under real pressure. Continue reading on Medium »
The Alert That Almost Everyone Ignores (Until It’s Too Late)
Medium · Python 🔐 Cybersecurity ⚡ AI Lesson 15h ago
The Alert That Almost Everyone Ignores (Until It’s Too Late)
Every security team has a mental hierarchy of alerts. Continue reading on Medium »
The Alert That Almost Everyone Ignores (Until It’s Too Late)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 15h ago
The Alert That Almost Everyone Ignores (Until It’s Too Late)
Every security team has a mental hierarchy of alerts. Continue reading on Medium »
Vibe Coding Shipped the Feature. Nobody Shipped the Security
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 15h ago
Vibe Coding Shipped the Feature. Nobody Shipped the Security
A field guide to what’s actually going wrong in AI-generated apps in 2026, and which tool actually fixes which part of it Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 15h ago
MySQL & Microsoft SQL Injection: How I Retrieved the Database Version | PortSwigger Web Security…
Continuing my hands-on journey through the PortSwigger Web Security Academy, I completed another SQL Injection lab focused on identifying… Continue reading on M
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 19h ago
Smart Contract: Reentrancy Zafiyeti
Selamlar, ben Umut. Bugün smart contract tarafında en çok duyulan zafiyetlerden biri olan Reentrancy zafiyetini anlatacağım. Continue reading on Medium »
Designing trust after the Quantum Shock stripped away our digital armor
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 21h ago
Designing trust after the Quantum Shock stripped away our digital armor
It was 2 AM on a Thursday. I was staring at a blank terminal window, thinking about the sheer volume of personal data I had spent years… Continue reading on Med
6 Cybersecurity Mistakes Small Businesses Make Without Realizing
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 21h ago
6 Cybersecurity Mistakes Small Businesses Make Without Realizing
Real breach lessons and simple security actions for non-technical teams. Continue reading on Medium »
The Server Room Is Not a Museum, Stop Preserving Ancient Systems
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 21h ago
The Server Room Is Not a Museum, Stop Preserving Ancient Systems
Every organization has one. A server nobody wants to touch. It sits in the rack like an artifact from a forgotten civilization, humming… Continue reading on Med
Hybrid Identity: How One Foothold Can Take Down Both Kingdoms
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 21h ago
Hybrid Identity: How One Foothold Can Take Down Both Kingdoms
A walkthrough of how on-prem Active Directory and Entra ID connect, and why the sync server is the crown jewel most defenders overlook. Continue reading on Medi
How Abia TechRise Changed the Way I Think About Cybersecurity
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 21h ago
How Abia TechRise Changed the Way I Think About Cybersecurity
The Beginning: More Than Just Learning to Hack Continue reading on Medium »
The E-Rickshaw Wasn’t Hacked. It Was Paired.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 23h ago
The E-Rickshaw Wasn’t Hacked. It Was Paired.
A nearby phone, a weak connection, and a moving vehicle show why India’s EV revolution needs security by design. Continue reading on Medium »
The AI That Can’t See the Monster in the Room
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
The AI That Can’t See the Monster in the Room
Why replacing human cybersecurity professionals with AI is a fundamentally flawed idea, and what the future of the profession actually… Continue reading on Medi
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Why Businesses Need Cybersecurity Advisory Services in 2026
Cybersecurity has become one of the biggest priorities for businesses as digital transformation accelerates across industries… Continue reading on Medium »
Deploying Microsoft Defender Attack Surface Reduction Rules (ASR)Using Group Policy Object (GPO)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Deploying Microsoft Defender Attack Surface Reduction Rules (ASR)Using Group Policy Object (GPO)
Deploying & managing Microsoft Defender Attack Surface Reduction (ASR) rules across domain-joined devices using Group Policy. Continue reading on Medium »
Phishing in 2026 The Year of Our Lord
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Phishing in 2026 The Year of Our Lord
The phishing campaign that landed you domain user credentials with direct access into MS Office365 in 2019 gets your infrastructure burned… Continue reading on
CYBER SECURITY
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
CYBER SECURITY
Cyber Security Isn't Just for Hackers Anymore. It's for Everyone. Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
The 3 Lines Hidden in Every Email Header That Tell You If an Email Is Legitimate
We’ve all received emails that looked convincing. Continue reading on Medium »
Why Cyber Security Skills Are Becoming Essential for Every Student in Kerala
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Why Cyber Security Skills Are Becoming Essential for Every Student in Kerala
Technology has become a part of our daily lives. We study online, make digital payments, use social media, and even attend interviews… Continue reading on Mediu
Ever Feel Like Your Shopping Cart is Stalking You? Here’s How to Ditch the Digital Shadows.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Ever Feel Like Your Shopping Cart is Stalking You? Here’s How to Ditch the Digital Shadows.
Remember that time you bought something online? Maybe it was a new pair of running shoes, or a fancy coffee maker. Continue reading on Medium »
What Is the Eligibility Criteria for a Cyber Security Diploma After 12th?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
What Is the Eligibility Criteria for a Cyber Security Diploma After 12th?
Cybersecurity has become one of the most promising career options for students who want to work in the technology industry. With… Continue reading on Medium »
5 Critical Privacy Settings Social Networks Hide From You
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
5 Critical Privacy Settings Social Networks Hide From You
5 Critical Social Media Privacy Settings Platforms Hide From You Continue reading on Medium »
The Internet’s Dirty Little Secret: Anyone Can Investigate Anyone — and Here Are 20 Free Tools to…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
The Internet’s Dirty Little Secret: Anyone Can Investigate Anyone — and Here Are 20 Free Tools to…
What spies, FBI agents, and your nosy neighbor all have in common — and how you can join the club for $0. Continue reading on InfoSec Write-ups »
Website Defacement Attack Simulation in a Virtual Lab: Understanding the Risks and Defenses
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Website Defacement Attack Simulation in a Virtual Lab: Understanding the Risks and Defenses
A hands-on cybersecurity lab demonstrating how website defacement can occur in a controlled VirtualBox environment and the security… Continue reading on Medium
The Internet Has a Hidden Side: 5 Cyber Intelligence Tools Security Experts Use to Spot Threats…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
The Internet Has a Hidden Side: 5 Cyber Intelligence Tools Security Experts Use to Spot Threats…
What Google Can’t See Could Already Know Your Password Continue reading on Medium »
CAP (HackTheBox Easy Machine)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
CAP (HackTheBox Easy Machine)
How I pwned HackTheBox Cap using IDOR and a Python privilege escalation Continue reading on Medium »
Necropolis C2: decentralised command and control mesh network.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Necropolis C2: decentralised command and control mesh network.
Necropolis is a fork of the original Arachne command-and-control (C2) system. Arachne used the libp2p protocol, pairing a distributed hash… Continue reading on
TryHackMe — Corridor CTF Writeup
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
TryHackMe — Corridor CTF Writeup
hi guys, aryan here! Continue reading on MeetCyber »
Ten signs that your business has been hacked
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Ten signs that your business has been hacked
NetworkTigers on what to look out for if you think your business has been hacked. First published December 3, 2022, on NetworkTigers News. Continue reading on M
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
Analyzing DVWA Web Attacks Inside Wazuh SIEM
It covers simulating web application attacks against Damn Vulnerable Web Application (DVWA) and analyzing the resulting telemetry within… Continue reading on Me
What I Learned in My First 6 Months as a Junior Penetration Tester
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 1d ago
What I Learned in My First 6 Months as a Junior Penetration Tester
Hello everyone! My name is Arfat Khan, and I run a YouTube channel called Arfi Tutorials. Continue reading on System Weakness »
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
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 »
Best Free SSL Certificate Providers 2026
Medium · Startup 🔐 Cybersecurity ⚡ AI Lesson 2d 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 »
Malware Analysis: Fake “Search for Perplexity AI” Chromium Extension
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2d 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 »