Tech Skills

Cybersecurity

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

18,033
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 (11,123) Articles (5523)Blog Posts (4310)Tutorials (413)Research Papers (34)News (843)
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Spotting Security Vulnerabilities (Because making it “just work” isn’t enough)
Now that my degree is officially done and I’m focusing heavily on my AI-ML classes, I’ve been looking back at the code I wrote over the… Continue reading on Med
Medium · Python 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Spotting Security Vulnerabilities (Because making it “just work” isn’t enough)
Now that my degree is officially done and I’m focusing heavily on my AI-ML classes, I’ve been looking back at the code I wrote over the… Continue reading on Med
The Day Quantum Computers Break Modern Encryption
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Day Quantum Computers Break Modern Encryption
A few weeks ago, I was reading about quantum computing when I came across something that genuinely surprised me. Continue reading on Medium »
Lab: Basic password reset poisoning — PortSwigger Web Security Academy
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Lab: Basic password reset poisoning — PortSwigger Web Security Academy
This lab is vulnerable to password reset poisoning. The application has a password reset feature that sends an email containing a reset… Continue reading on Med
Unlocking the Flag Vault: A Complete TryHackMe Reverse Engineering Walkthrough
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Unlocking the Flag Vault: A Complete TryHackMe Reverse Engineering Walkthrough
Hey everyone!  In this challenge, Flag Vault, we’ll analyze the target binary, uncover its hidden logic, and retrieve the flag using… Continue reading on Mediu
Unlocking the Flag Vault: A Complete TryHackMe Reverse Engineering Walkthrough
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Unlocking the Flag Vault: A Complete TryHackMe Reverse Engineering Walkthrough
Hey everyone!  In this challenge, Flag Vault, we’ll analyze the target binary, uncover its hidden logic, and retrieve the flag using… Continue reading on Mediu
Cloudflare teams up with big browsers to help websites tell welcome from unwelcome visitors
The Register 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Cloudflare teams up with big browsers to help websites tell welcome from unwelcome visitors
Makers of Chrome, Edge, Firefox back bot-fraud defense called Private Access Control Tokens
Security shops among the 'hundreds' of Klue hack victims
The Register 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Security shops among the 'hundreds' of Klue hack victims
As yet another extortion crew Icarus exploits Salesforce-linked integrations
Chaos Theory: What Jurassic Park Teaches Us About Modern Insider Risk
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Chaos Theory: What Jurassic Park Teaches Us About Modern Insider Risk
Take a walk with me through the lush jungle landscape of Isla Nublar. Through deep emerald-green ferns that brush past your arms as you… Continue reading on Ber
TechRepublic 🔐 Cybersecurity ⚡ AI Lesson 2w ago
New Apple Exploit Exposes Millions of iPhones Worldwide, No Software Fix Available
Researchers disclosed usbliter8, a SecureROM exploit affecting older Apple devices that can bypass boot protections with physical access. The post New Apple Exp
The Hackers Hiding Their Commands in the Internet’s Phone Book
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Hackers Hiding Their Commands in the Internet’s Phone Book
A new backdoor called Dohdoor doesn’t connect directly to a suspicious server. Continue reading on Medium »
Zero Trust Security: A Simple Guide to Modern Cyber Defense
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Zero Trust Security: A Simple Guide to Modern Cyber Defense
How to Protect Your Company and Applications in Today’s Digital AI-World Continue reading on Medium »
Level Up Your Network Security: WatchGuard Firebox vs FortiGate for South African SMEs in 2026
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Level Up Your Network Security: WatchGuard Firebox vs FortiGate for South African SMEs in 2026
At Shinray Digital, we love seeing local businesses thrive. As an all-in-one partner supplying top-tier IT services, software, hardware… Continue reading on Med
From Hex to Hierarchy: How Smart Cards Organize Data Using TLV USING ISO/IEC 7816
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
From Hex to Hierarchy: How Smart Cards Organize Data Using TLV USING ISO/IEC 7816
The Invisible Language Inside Your Chip Card Continue reading on Medium »
Looking Glass (THM) Tryhackme Medium Challenge
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Looking Glass (THM) Tryhackme Medium Challenge
Description : Step through the looking glass. A sequel to the Wonderland challenge room. Continue reading on Medium »
The Computer Virus That Accidentally Shut Down the Internet
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Computer Virus That Accidentally Shut Down the Internet
裂 One programming mistake infected thousands of computers and changed cybersecurity forever. Continue reading on Medium »
Investigating a Potentially Unwanted Program (PUP) Using Velociraptor (DFIR Lab)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Investigating a Potentially Unwanted Program (PUP) Using Velociraptor (DFIR Lab)
This project demonstrates a basic Digital Forensics and Incident Response (DFIR) workflow using Velociraptor, where a Windows 10 endpoint… Continue reading on M
I added a boring storage API to make my app faster It turns out it can tell any website what else…
Medium · JavaScript 🔐 Cybersecurity ⚡ AI Lesson 2w ago
I added a boring storage API to make my app faster It turns out it can tell any website what else…
A research group in Austria pointed a web page at your SSD and guessed what you were doing. The browser makers said that’s not a bug. Continue reading on Medium
Nearly 7,000 fake Amazon domains registered ahead of Prime Day 2026, researchers warn
The Next Web AI 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Nearly 7,000 fake Amazon domains registered ahead of Prime Day 2026, researchers warn
Cybersecurity researchers have identified nearly 7,000 fraudulent Amazon-themed domains registered in the six months leading up to Prime Day 2026, which begins
Ukraine puts its Russian war trophies online for allies to pick apart
The Register 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Ukraine puts its Russian war trophies online for allies to pick apart
TrophyLab bad for Vlad as battlefield losses spill the secrets they had
Is that 'free file converter' uploading your file? A 60-second DevTools audit
Dev.to · xiaomei Lu 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Is that 'free file converter' uploading your file? A 60-second DevTools audit
You drag a sensitive PDF — a contract, a passport scan, a payslip — onto some "100% free, secure,...
Secure Test Credentials with the YoBox Password Generator
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Secure Test Credentials with the YoBox Password Generator
Stop hardcoding weak test passwords. Learn how to generate secure credentials for QA automation, Cypress, Playwright, Postman, CI/CD… Continue reading on Medium
Secure Test Credentials with the YoBox Password Generator
Dev.to · yobox 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Secure Test Credentials with the YoBox Password Generator
Test credentials are the most under-thought attack surface in modern engineering. Every team has a...
Texas Data Breach Exposes Over 3 Million Records: How Rainbow Secure Helps Organizations Prevent…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Texas Data Breach Exposes Over 3 Million Records: How Rainbow Secure Helps Organizations Prevent…
A major cybersecurity breach involving a third-party vendor for the Texas Parks and Wildlife Department (TPWD) has exposed the personal… Continue reading on All
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Pyramid Of Pain
The Pyramid of Pain: How to Make Cyber Attacks Expensive for Adversaries Continue reading on Medium »
Cybersecurity Kill Chain and MITRE ATT&CK Tactics Matrix
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Cybersecurity Kill Chain and MITRE ATT&CK Tactics Matrix
Cybersecurity professionals use structured frameworks to understand how attackers operate. Two of the most important models are the Cyber… Continue reading on M
What a SOC Analyst Actually Does (And Why It Is Where Most Cybersecurity Careers Begin)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
What a SOC Analyst Actually Does (And Why It Is Where Most Cybersecurity Careers Begin)
When people picture a cybersecurity job, they imagine someone breaking in. The most common job in the field is the opposite of that. It is… Continue reading on
Risky Employee Behaviors: The Ethics Behind Cyber Breaches
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Risky Employee Behaviors: The Ethics Behind Cyber Breaches
Most cybersecurity breaches don’t begin with sophisticated hackers — they begin with ordinary employees making everyday decisions. Whether… Continue reading on
Email Spoofing Explained For Charlotte Business Owners: Why Hackers Are Faking Your Sender Address…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Email Spoofing Explained For Charlotte Business Owners: Why Hackers Are Faking Your Sender Address…
Picture this: It’s Tuesday morning. You’re reviewing accounts payable for your Charlotte-based business, and an email pops up from your… Continue reading on Med
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
7 Cybersecurity Mistakes Small Businesses Make — and How to Avoid Them
For many small business owners, cybersecurity still feels like something only large corporations need to worry about. If you’re not a bank… Continue reading on
Building a Secure Homelab with Proxmox VE, pfSense, and Cilium
Dev.to · Luna Commsnet 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Building a Secure Homelab with Proxmox VE, pfSense, and Cilium
Building a Secure Homelab with Proxmox VE, pfSense, and Cilium Published: May 25, 2026 |...
Implementing a cryptographically secure shuffle: Fisher-Yates with CSPRNG in JavaScript
Dev.to · Diego Torres 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Implementing a cryptographically secure shuffle: Fisher-Yates with CSPRNG in JavaScript
When you need to shuffle an array in JavaScript, the naive approach using Math.random() and...
HackTheBox — Administrator (Medium)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
HackTheBox — Administrator (Medium)
 This writeup is part of the Lainkusanagi OSCP Like List — a curated collection of machines recommended for OSCP preparation. Continue reading on Medium »
IPRoyal Alternatives: 5 Better Options for 2026
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
IPRoyal Alternatives: 5 Better Options for 2026
IPRoyal is a well-known proxy provider, but it’s not the right fit for everyone. If you’ve run into session instability, inconsistent IP… Continue reading on Me
A year of the EAA — does your component library's CI catch a11y violations yet?
Dev.to · Alex 🔐 Cybersecurity ⚡ AI Lesson 2w ago
A year of the EAA — does your component library's CI catch a11y violations yet?
The EAA is one year into enforcement, and most component libraries still ship without a single...
KioskExpo7 Lab Writeup [CyberDefenders]
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
KioskExpo7 Lab Writeup [CyberDefenders]
KioskExpo7 Lab Writeup [CyberDefenders] | by Loay Salah Continue reading on InfoSec Write-ups »
5 Common Cybersecurity Mistakes Almost Everyone Makes
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
5 Common Cybersecurity Mistakes Almost Everyone Makes
Cybersecurity often sounds complicated. Firewalls. Encryption. Malware. But in reality, most security incidents happen because of simple… Continue reading on Me
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Remote Code Execution via Custom JS Function in Flowise
During a security review of Flowise v3.1.1, I identified a path that allows authenticated users capable of creating chatflows to achieve… Continue reading on Me
What Is a VPN and Why Does Your Company Force You to Use One?
Medium · DevOps 🔐 Cybersecurity ⚡ AI Lesson 2w ago
What Is a VPN and Why Does Your Company Force You to Use One?
When I started working with servers, cloud infrastructure, and internal company tools, one thing kept showing up everywhere. Continue reading on Medium »
What Is a VPN and Why Does Your Company Force You to Use One?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
What Is a VPN and Why Does Your Company Force You to Use One?
When I started working with servers, cloud infrastructure, and internal company tools, one thing kept showing up everywhere. Continue reading on Medium »
Canadian utility fesses up to data breach, but key details remain off-grid
The Register 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Canadian utility fesses up to data breach, but key details remain off-grid
London Hydro says names, addresses, account details may have been exposed, but much about the intrusion is unknown
SOP vs CORS vs Preflight vs SameSite Cookies — A Guide for Bug Bounty Hunters
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 2w ago
SOP vs CORS vs Preflight vs SameSite Cookies — A Guide for Bug Bounty Hunters
Hey this is Maruf Hosan aka 0xmaruf . lets jump on our topic Continue reading on Medium »
How AI And Quantum Computing Are Rewriting Cyber Risk
Forbes Innovation 🔐 Cybersecurity ⚡ AI Lesson 2w ago
How AI And Quantum Computing Are Rewriting Cyber Risk
The same weaknesses leave organizations exposed to both AI-enabled attacks and delayed cryptographic migration.
Ephemeral Browsing and Cryptographic Memory Shredding for Fo doesn't phone home. It doesn't need to.
Dev.to · Lois-Kleinner 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Ephemeral Browsing and Cryptographic Memory Shredding for Fo doesn't phone home. It doesn't need to.
**Ephemeral Browsing and Cryptographic Memory Shredding for Forensic Resistance** --- ## The Problem Private browsing modes in mainstream browsers provide only
The Data Leak You Are Ignoring: Why Shared Remote Desktops Are a Security Nightmare Subtitle:
Medium · DevOps 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Data Leak You Are Ignoring: Why Shared Remote Desktops Are a Security Nightmare Subtitle:
Stop exposing your proprietary code and client data on cheap, shared network ports. Continue reading on Medium »
We solved ed25519 signature security and post-quantum considerations without telling anyone's server.
Dev.to · Lois-Kleinner 🔐 Cybersecurity ⚡ AI Lesson 2w ago
We solved ed25519 signature security and post-quantum considerations without telling anyone's server.
**Ed25519 Signature Security and Post-Quantum Considerations** --- ## The Problem Ed25519 has become the de facto standard for digital signatures in modern cryp
Who Actually Owns This Service Account?
Dev.to · Dwayne McDaniel 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Who Actually Owns This Service Account?
When that AWS service account gets compromised, who do you call? A question that shouldn't be...
Let's try threat modeling with AWS Security Agent.
Dev.to · NaoyukiFujita 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Let's try threat modeling with AWS Security Agent.
Introduction This article is an English translation of the following...