Tech Skills

Cybersecurity

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

18,004
lessons
Skills in this topic
View full skill map →
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 (11,094) Articles (5502)Blog Posts (4306)Tutorials (410)Research Papers (34)News (842)
DOM-Based XSS: Three Labs, Three Sinks
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
DOM-Based XSS: Three Labs, Three Sinks
DOM XSS Happens when a js takes the attacker input as passes it into a function without proper sanitization. Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Learn Cybersecurity With This 0-Cost Strategy !!
Want to grow career in cybersecurity with 0 cost study plan ?? Follow this guide with new 2026 update 0-cost cybersecurity roadmap for… Continue reading on Medi
No Company Is Without Vulnerabilities — Now, Patterns and Trends Matter Most
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
No Company Is Without Vulnerabilities — Now, Patterns and Trends Matter Most
Every organization has vulnerabilities. Not “might have” — has. In 2025 alone, 48,174 new CVEs were published, an average of 131 every… Continue reading on Medi
I’m a Beginner, and I make an Open Source Ethical Hacking Tool Entirely on My Phone.
Dev.to · Skokoo 🔐 Cybersecurity ⚡ AI Lesson 3d ago
I’m a Beginner, and I make an Open Source Ethical Hacking Tool Entirely on My Phone.
Hey dev community! I don't have a PC yet, so I challenged myself to build an open source ethical...
SABSA: A Business‑Driven Framework for Enterprise Security Architecture
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
SABSA: A Business‑Driven Framework for Enterprise Security Architecture
Modern enterprises face a difficult reality: security tools multiply, threats evolve, and regulatory pressure intensifies — yet… Continue reading on Medium »
The Chip Lockheed Forgot to Lock: Ukraine’s Soldering-Iron Override That Turned an 80km HIMARS into…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
The Chip Lockheed Forgot to Lock: Ukraine’s Soldering-Iron Override That Turned an 80km HIMARS into…
How a $2 Peripheral Bus Bypass Collapsed a Twenty-Year Doctrine of Silicon-Enforced Export Sovereignty — a Forensic Reconstruction of the… Continue reading on M
When the Open Web Fails, the Darknet Explains Why
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
When the Open Web Fails, the Darknet Explains Why
The internet was built with a promise: information should move. Continue reading on Medium »
The Darknet Is Not a Place. It Is a Mirror.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
The Darknet Is Not a Place. It Is a Mirror.
Most people talk about the darknet as if it were a location. Continue reading on Medium »
Decoding the OSI Model for Cyber Security: A Layered Defense Strategy
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Decoding the OSI Model for Cyber Security: A Layered Defense Strategy
In the intricate world of cyber security, we often hear about ‘Defense in Depth.’ But what does that truly mean from a network perspective… Continue reading on
The 59.8MB Claude Code File That Changed Release Risk
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 3d ago
The 59.8MB Claude Code File That Changed Release Risk
Axios and The Verge traced the March 2026 leak to packaging residue, turning tarball inspection into the release gate CTOs can’t skip. Continue reading on KAIRI
The 59.8MB Claude Code File That Changed Release Risk
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 3d ago
The 59.8MB Claude Code File That Changed Release Risk
Axios and The Verge traced the March 2026 leak to packaging residue, turning tarball inspection into the release gate CTOs can’t skip. Continue reading on KAIRI
Ever Caught Up in the Medium Matrix?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Ever Caught Up in the Medium Matrix?
My 10-Year Account vs. The Spam Bot Continue reading on Medium »
How I protect Discord webhook URLs from being exposed in frontend code
Dev.to · David | Kordhub 🔐 Cybersecurity ⚡ AI Lesson 3d ago
How I protect Discord webhook URLs from being exposed in frontend code
The Problem If you've ever used Discord webhooks in a frontend app, you've probably done...
Cybersecurity Compliance Services: The Complete Guide
Dev.to · Solzorro IT Services 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Cybersecurity Compliance Services: The Complete Guide
In the modern digital landscape, protecting sensitive data is no longer just an IT preference; it is...
Google Degrades NetNut: 2 Million Home Devices Cut From a Residential Proxy Network
Dev.to · Etairos.ai 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Google Degrades NetNut: 2 Million Home Devices Cut From a Residential Proxy Network
TL;DR what: Google's GTIG, with the FBI, Lumen, and partners, degraded NetNut (tracked...
Waymap v7.2.1: Thread-Safe Results, Hardened Security, and a Dozen Bug Fixes
Dev.to · Trix Cyrus 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Waymap v7.2.1: Thread-Safe Results, Hardened Security, and a Dozen Bug Fixes
Author: Trix Cyrus [🔹 Try My] Waymap Pentesting Tool [🔹 Follow] TrixSec GitHub [🔹 Join] TrixSec...
:  …
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
: …
What we see: A plaintext exposure of apiKey, authDomain, projectId, storageBucket, messagingSenderId, and appId for a project named… Continue reading on Medium
The man who built Pegasus now sells governments the antidote, and Latin America is buying
The Next Web AI 🔐 Cybersecurity ⚡ AI Lesson 3d ago
The man who built Pegasus now sells governments the antidote, and Latin America is buying
Dream, the Israeli AI cybersecurity startup that tripled its valuation to $3 billion this year, is expanding into Latin America. The company is targeting govern
How to Test OAuth Recovery Emails Without Exposing Real Inboxes
Dev.to · SophiaXS 🔐 Cybersecurity ⚡ AI Lesson 3d ago
How to Test OAuth Recovery Emails Without Exposing Real Inboxes
A practical security guide to validating OAuth recovery emails with isolated inboxes, safer token checks, and less privacy risk.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
The Impending Collapse of the Internet — And the Sovereign Cryptographic Standard That Will Save It
How Titaness Space Systems LLC is leveraging edge-computed cryptographic primitives, hardware enclaves, and fuzzy extractors to… Continue reading on Medium »
North Korea-linked npm packages impersonate Rollup polyfill tools to steal developer secrets
The Next Web AI 🔐 Cybersecurity ⚡ AI Lesson 3d ago
North Korea-linked npm packages impersonate Rollup polyfill tools to steal developer secrets
Security researchers at JFrog have identified a set of malicious npm packages linked to North Korean threat actors that impersonate legitimate Rollup polyfill t
The x402 payment layer has a state-synchronization gap, and four agent-payment attacks fall out of it
Dev.to · Michael "Mike" K. Saleme 🔐 Cybersecurity ⚡ AI Lesson 3d ago
The x402 payment layer has a state-synchronization gap, and four agent-payment attacks fall out of it
Agent payments crossed from prototype to infrastructure faster than the security work did. The x402...
Write-up: Ether Tag (HTB)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Write-up: Ether Tag (HTB)
Category: ICS / SCADA / OT Security | Difficulty: Very Easy Continue reading on Medium »
Hardening a Next.js Portfolio with OWASP ZAP
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Hardening a Next.js Portfolio with OWASP ZAP
What I learned scanning a Next.js 16 portfolio with ZAP — fixing real vulnerabilities, accepting framework tradeoffs, and separating… Continue reading on Medium
Why Google Is Moving from RSA TLS Certificates to ECDSA
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Why Google Is Moving from RSA TLS Certificates to ECDSA
Google’s Quieter TLS Upgrade Continue reading on Medium »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 3d ago
How I leveraged Claude Code skills to help me migrate Cypress 16 deprecations in time
Have you ever stared at a deprecation warning scrolling by in your terminal and thought "eh, future me will deal with that" ? We all have! But here's the thing
Top 5 Undiscovered AI Pentesting Tools for Kali Linux in 2026
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Top 5 Undiscovered AI Pentesting Tools for Kali Linux in 2026
The Next Generation of AI-Powered Security Testing for Ethical Hackers and Security Professionals Continue reading on Medium »
Top 5 Undiscovered AI Pentesting Tools for Kali Linux in 2026
Medium · Programming 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Top 5 Undiscovered AI Pentesting Tools for Kali Linux in 2026
The Next Generation of AI-Powered Security Testing for Ethical Hackers and Security Professionals Continue reading on Medium »
Top 5 Undiscovered AI Pentesting Tools for Kali Linux in 2026
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Top 5 Undiscovered AI Pentesting Tools for Kali Linux in 2026
The Next Generation of AI-Powered Security Testing for Ethical Hackers and Security Professionals Continue reading on Medium »
Critical phpBB Authentication Bypass Allows Instant Account Takeover
Dev.to · BeyondMachines 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Critical phpBB Authentication Bypass Allows Instant Account Takeover
phpBB version 3.3.17 patches a critical authentication bypass (CVE-2026-48611) that allows unauthenticated attackers to take over any account, including adminis
How to Use Snort on Ubuntu Dedicated Servers to Detect SSH Brute-Force Attacks
Dev.to · Nyra Amsi 🔐 Cybersecurity ⚡ AI Lesson 3d ago
How to Use Snort on Ubuntu Dedicated Servers to Detect SSH Brute-Force Attacks
SSH brute-force attacks are among the most common threats targeting Linux dedicated servers....
Cloudflare's Flexible SSL looks secure. It isn't.
Dev.to · Boris Kl 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Cloudflare's Flexible SSL looks secure. It isn't.
A client called: "the site has the padlock, we're done with SSL, right?" Pulled up the Cloudflare...
Password Spray Attacks: How Attackers Exploit Authentication Weaknesses
Dev.to · GuardingPearSoftware 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Password Spray Attacks: How Attackers Exploit Authentication Weaknesses
Password spraying is a type of account takeover (ATO) attack in which cybercriminals test one or a...
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Cybersecurity for 401(k) Plans in 2026: Implementing the Next Generation of Defenses
Recordkeepers are facing growing threats, stricter regulations, and outdated infrastructure that struggles to withstand modern… Continue reading on Medium »
The One Thing That Helped Me Most in the ISC2 CC Exam
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
The One Thing That Helped Me Most in the ISC2 CC Exam
The ISC2 1 Million Initiative empowered more than 1 million individuals to pursue and obtain cybersecurity certifications. Continue reading on Medium »
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Securing Hybrid Active Directory: The Ultimate Identity Security Guide
Learn how miniOrange unifies MFA and SSO to protect hybrid Active Directory environments and stop credential attacks. Continue reading on Medium »
How to Use Snort on Ubuntu Dedicated Servers to Detect SSH Brute-Force Attacks
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
How to Use Snort on Ubuntu Dedicated Servers to Detect SSH Brute-Force Attacks
A step-by-step guide to monitoring SSH activity and identifying threats in real-time. Continue reading on Medium »
Certified SOC Analyst CSA: A Guide for Cyber Professionals
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Certified SOC Analyst CSA: A Guide for Cyber Professionals
Ever wondered what’s actually keeping a massive corporate data breach from flattening your entire business? The secret lies within a… Continue reading on Medium
Cyber Security Best Practices Every Business Should Follow
Dev.to · sneha work 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Cyber Security Best Practices Every Business Should Follow
Cyber threats are becoming more advanced, making security a top priority for businesses of all sizes....
Day 55 of #100DaysOfClickHouse - Security Best Practices for ClickHouse® Deployments
Dev.to · Kanishga Subramani 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Day 55 of #100DaysOfClickHouse - Security Best Practices for ClickHouse® Deployments
Security Best Practices for ClickHouse® Deployments Introduction As...
EU lawmaker who investigated spyware abuse was hacked with Pegasus
The Next Web AI 🔐 Cybersecurity ⚡ AI Lesson 3d ago
EU lawmaker who investigated spyware abuse was hacked with Pegasus
Stelios Kouloglou spent two years on the European Parliament committee set up to investigate governments spying on their own citizens with commercial hacking to
LLMNR poisoning:The Initial step of internal pentesting.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
LLMNR poisoning:The Initial step of internal pentesting.
LLMNR poisoning is a very famous attack in internal pentesting. LLMNR is basically a name resolution protocol.Its primary function is: Continue reading on Mediu
Digital Armageddon and the Algorithmic Horizon: Malware, Zero-Day Exploits, and the Geopolitics of…
Medium · AI 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Digital Armageddon and the Algorithmic Horizon: Malware, Zero-Day Exploits, and the Geopolitics of…
Published on: code.kaytouch.biz Continue reading on Medium »
Digital Armageddon and the Algorithmic Horizon: Malware, Zero-Day Exploits, and the Geopolitics of…
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Digital Armageddon and the Algorithmic Horizon: Malware, Zero-Day Exploits, and the Geopolitics of…
Published on: code.kaytouch.biz Continue reading on Medium »
Apple Releases Security Updates for 37 Vulnerabilities
Dev.to · BeyondMachines 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Apple Releases Security Updates for 37 Vulnerabilities
Apple released security updates for iOS, macOS, and Safari to fix 37 vulnerabilities, including 26 WebKit flaws.
Top 10 Benefits of Using Professional CST Compliance Services in Saudi Arabia
Dev.to · dubai landpackage 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Top 10 Benefits of Using Professional CST Compliance Services in Saudi Arabia
As Saudi Arabia continues to strengthen its digital economy cybersecurity compliance has become a...
How Dark Web Services Are Reshaping Cognitive Warfare
Dev.to · Adrian Alexandru Stinga 🔐 Cybersecurity ⚡ AI Lesson 3d ago
How Dark Web Services Are Reshaping Cognitive Warfare
It took me a few months to write the articles in Cognitive Warfare articles , The most important...
Developing a Practical, Ethical Web/AppSec Learning Platform for Modern Vulnerabilities and Patterns
Dev.to · Maxim Gerasimov 🔐 Cybersecurity ⚡ AI Lesson 3d ago
Developing a Practical, Ethical Web/AppSec Learning Platform for Modern Vulnerabilities and Patterns
Introduction: The Need for Modern Web/AppSec Training The cybersecurity landscape is...