Tech Skills

Cybersecurity

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

7,042
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

Showing 1,660 reads from curated sources

"5 Cybersecurity Threats React Developers Should Know in 2024"
Dev.to · wheelz27 🔐 Cybersecurity ⚡ AI Lesson 3w ago
"5 Cybersecurity Threats React Developers Should Know in 2024"
Written by Fenrir — Hunger Games Arena competitor 5 Cybersecurity Threats React Developers Should...
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Python Security Automation for Busy Sysadmins — 5 scripts that lock down SSH, au
Written by Brutus — Hunger Games Arena competitor Python Security Automation for Busy Sysadmins You’re drowning in alerts and manual log checks. Here are 5 Pyth
OWASP 2026 Smart Contract Vulnerabilities: Access Control (SC01:2026) Analysis
Dev.to · Meriç Cintosun 🔐 Cybersecurity ⚡ AI Lesson 3w ago
OWASP 2026 Smart Contract Vulnerabilities: Access Control (SC01:2026) Analysis
Access control failures represent the highest-severity class of smart contract vulnerabilities in the...
SecurityHeaders.com API Is Gone — Here's the Migration
Dev.to · Guardr 🔐 Cybersecurity ⚡ AI Lesson 3w ago
SecurityHeaders.com API Is Gone — Here's the Migration
The SecurityHeaders.com API is discontinued — no new or renewed subscriptions. If you had CI/CD pipelines or scheduled audits built on it, here's a practical dr
Offensive Security Intro
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Offensive Security Intro
Hack your first website (legally in a safe environment) and experience an ethical hacker’s job. Continue reading on Medium »
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 3w ago
"Cybersecurity Best Practices for React Developers: A Comprehensive Guide"
Written by Fenrir — Hunger Games Arena competitor Cybersecurity Best Practices for React Developers: A Comprehensive Guide As a React developer, you're likely n
I built a Cyber-Cipher Text Decoder on Vibe Code Arena
Dev.to · YASHWANTH REDDY K 🔐 Cybersecurity ⚡ AI Lesson 3w ago
I built a Cyber-Cipher Text Decoder on Vibe Code Arena
There’s a version of this app that’s technically correct. You type text. Click a button. It returns...
CORS Errors Explained: A Practical Debug Guide for 2026
Dev.to · Andrew Rozumny 🔐 Cybersecurity ⚡ AI Lesson 3w ago
CORS Errors Explained: A Practical Debug Guide for 2026
Access to fetch at 'https://api.example.com' from origin 'http://localhost:3000' has been blocked by...
New Google Chrome Security Alert For 3.5 Billion Users
Forbes Innovation 🔐 Cybersecurity ⚡ AI Lesson 3w ago
New Google Chrome Security Alert For 3.5 Billion Users
Google has issued a new security update for 3.5 billion Chrome users. Here’s what you need to know and do.
Sloving CTF’s of flaws.cloud? Read this first.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Sloving CTF’s of flaws.cloud? Read this first.
Hacking Games: Level Up Your Cybersecurity Skills with Capture The Flag Continue reading on Medium »
SoSimple Walkthrough (Proving Ground-play-OSCP)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
SoSimple Walkthrough (Proving Ground-play-OSCP)
By cyber_public_school | Cyber Security Researcher Continue reading on Medium »
When Visibility Becomes Noise: It’s Context Dependent
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
When Visibility Becomes Noise: It’s Context Dependent
Think about it: what is the difference between an employee who is traveling logging in from a different country and a malicious login… Continue reading on Mediu
Bitwarden Confirms Compromise—Here Are The Facts For 10 Million Users
Forbes Innovation 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Bitwarden Confirms Compromise—Here Are The Facts For 10 Million Users
Bitwarden has confirmed a serious security incident in which a compromised product was made public. Here's why most users need not worry.
The Register 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Microsoft beefs up Remote Desktop security with ... hard-to-read messages
Ailing scaling blamed by Windows-maker for unreadable missives Microsoft's update to harden Remote Desktop against phishing attacks has arrived. When users open
The Register 🔐 Cybersecurity ⚡ AI Lesson 3w ago
It's a myth that you need Mythos to find bugs: Open source models can do it just as well
OpenAI's first security hire, Ari Herbert-Voss, thinks more automated bug finding will improve security without costing jobs Black Hat Asia Open source models c
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Red Team vs Blue Team: Understanding the Two Sides of Cyber Defense
If I’m being honest, the whole “Red Team vs Blue Team” thing made way more sense in my head before I actually started learning… Continue reading on Medium »
Post-Quantum Cryptography
Dev.to · Christian Alt-Wibbing 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Post-Quantum Cryptography
Why the Future of Encryption Starts Today I have been developing software for over 20...
403 Forbidden to Established: Bypassing Academic Filters with Open Source
Dev.to · Andy Stewart 🔐 Cybersecurity ⚡ AI Lesson 3w ago
403 Forbidden to Established: Bypassing Academic Filters with Open Source
In my previous posts, I shared how I mastered C++, Assembly, and Haskell in the most chaotic...
The Register 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Researchers find cyber-sabotage malware that may predate Stuxnet by five years
FAST16 could be the first cyberweapon, and its effects could be with us today Black Hat Asia Infosec outfit SentinelOne found malware that tries to induce error
The Corix Partners Friday Reading List — April 24, 2026
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
The Corix Partners Friday Reading List — April 24, 2026
Top 10 Leadership and Management links of the week, curated by Corix Partners Founder and CEO JC Gaillard, focusing on cyber security of… Continue reading on Th
Why Data Security Is the Biggest Concern in MLM Software Migration (With Real Experience Insights)
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Why Data Security Is the Biggest Concern in MLM Software Migration (With Real Experience Insights)
Why Data Security Is the Biggest Concern in MLM Software Migration (With Real Experience Insights) Continue reading on Medium »
CVE-2026-33318: CVE-2026-33318: Privilege Escalation via Sequential Exploit Chain in Actual sync-server
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 3w ago
CVE-2026-33318: CVE-2026-33318: Privilege Escalation via Sequential Exploit Chain in Actual sync-server
CVE-2026-33318: Privilege Escalation via Sequential Exploit Chain in Actual...
CVE-2026-34587: CVE-2026-34587: Server-Side Template Injection and Authorization Bypass in Kirby CMS
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 3w ago
CVE-2026-34587: CVE-2026-34587: Server-Side Template Injection and Authorization Bypass in Kirby CMS
CVE-2026-34587: Server-Side Template Injection and Authorization Bypass in Kirby...
Dev.to AI 🔐 Cybersecurity ⚡ AI Lesson 3w ago
OpenAI Revokes macOS App Certificate After Malicious Axios Supply Chain Incident
Forensic Summary A North Korean threat group (UNC1069) compromised the popular npm Axios library via a supply chain attack, injecting a backdoor (WAVESHAPER.V2)
Hack The Box - Snapped Writeup
Dev.to · Vall3nSs 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Hack The Box - Snapped Writeup
Machine: Snapped Difficulty: Hard OS: Linux Overview Snapped is a hard-difficulty...
CVE-2026-40099: CVE-2026-40099: Incorrect Authorization Bypass in Kirby CMS Page Creation
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 3w ago
CVE-2026-40099: CVE-2026-40099: Incorrect Authorization Bypass in Kirby CMS Page Creation
CVE-2026-40099: Incorrect Authorization Bypass in Kirby CMS Page Creation Vulnerability...
The Bitwarden CLI Just Got Backdoored. Here's What the Supply Chain Attack Actually Did.
Dev.to · Om Shree 🔐 Cybersecurity ⚡ AI Lesson 3w ago
The Bitwarden CLI Just Got Backdoored. Here's What the Supply Chain Attack Actually Did.
Bitwarden serves over 10 million users and 50,000 businesses. On April 22, 2026, for exactly 93...
CVE-2026-29050: CVE-2026-29050: Path Traversal to Command Execution in Chainguard Melange
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 3w ago
CVE-2026-29050: CVE-2026-29050: Path Traversal to Command Execution in Chainguard Melange
CVE-2026-29050: Path Traversal to Command Execution in Chainguard Melange Vulnerability...
CVE-2026-29051: CVE-2026-29051: Path Traversal in Melange via Unvalidated .PKGINFO Fields
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 3w ago
CVE-2026-29051: CVE-2026-29051: Path Traversal in Melange via Unvalidated .PKGINFO Fields
CVE-2026-29051: Path Traversal in Melange via Unvalidated .PKGINFO Fields Vulnerability...
Bitwarden CLI Compromised: What Developers Need to Know About the Ongoing Checkmarx Supply Chain Attack
Dev.to · Landlight 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Bitwarden CLI Compromised: What Developers Need to Know About the Ongoing Checkmarx Supply Chain Attack
Bitwarden CLI was compromised in an ongoing Checkmarx supply chain campaign. Learn how it happened, what to do now, and how to harden your dev pipeline.
CVE-2026-40886: CVE-2026-40886: Denial of Service via Unchecked Annotation Parsing in Argo Workflows
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 3w ago
CVE-2026-40886: CVE-2026-40886: Denial of Service via Unchecked Annotation Parsing in Argo Workflows
CVE-2026-40886: Denial of Service via Unchecked Annotation Parsing in Argo...
CVE-2026-40891: CVE-2026-40891: Denial of Service via Unbounded Memory Allocation in OpenTelemetry .NET gRPC Trailer Parsing
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 3w ago
CVE-2026-40891: CVE-2026-40891: Denial of Service via Unbounded Memory Allocation in OpenTelemetry .NET gRPC Trailer Parsing
CVE-2026-40891: Denial of Service via Unbounded Memory Allocation in OpenTelemetry .NET gRPC...
Day 1/90: Building a Hardened Python Security Environment
Dev.to · Naveen Karasu 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Day 1/90: Building a Hardened Python Security Environment
Setting up an isolated, hash-pinned Python security lab with pyenv, Docker, and supply chain defenses.
CVE-2026-40894: CVE-2026-40894: Excessive Memory Allocation in OpenTelemetry .NET Propagation Headers
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 3w ago
CVE-2026-40894: CVE-2026-40894: Excessive Memory Allocation in OpenTelemetry .NET Propagation Headers
CVE-2026-40894: Excessive Memory Allocation in OpenTelemetry .NET Propagation...
CVE-2026-41173: CVE-2026-41173: Denial of Service in OpenTelemetry .NET SDK via Unbounded HTTP Allocation
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 3w ago
CVE-2026-41173: CVE-2026-41173: Denial of Service in OpenTelemetry .NET SDK via Unbounded HTTP Allocation
CVE-2026-41173: Denial of Service in OpenTelemetry .NET SDK via Unbounded HTTP...
CVE-2026-40182: CVE-2026-40182: Unbounded Memory Exhaustion Denial of Service in OpenTelemetry .NET OTLP Exporter
Dev.to · CVE Reports 🔐 Cybersecurity ⚡ AI Lesson 3w ago
CVE-2026-40182: CVE-2026-40182: Unbounded Memory Exhaustion Denial of Service in OpenTelemetry .NET OTLP Exporter
CVE-2026-40182: Unbounded Memory Exhaustion Denial of Service in OpenTelemetry .NET OTLP...
Supply Chain Attacks Plague npm, Cloud Devs Expose Thousands of Secrets
Dev.to · soy 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Supply Chain Attacks Plague npm, Cloud Devs Expose Thousands of Secrets
Supply Chain Attacks Plague npm, Cloud Devs Expose Thousands of Secrets Today's...
💻 Learning Cybersecurity by Building- A Hacker Terminal Game in Python
Dev.to · Eidolmor 🔐 Cybersecurity ⚡ AI Lesson 3w ago
💻 Learning Cybersecurity by Building- A Hacker Terminal Game in Python
🚀 Introduction (The "Why") As I started learning cybersecurity, I realized that just reading concepts...
Privacy Management Policy
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Privacy Management Policy
Table of Contents Continue reading on Medium »
TryHackMe — RootMe CTF Solution
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
TryHackMe — RootMe CTF Solution
Summary: In RootMe CTF room we need to find web vulnerabilities and then we use reverse shell connect to terminal after than privelege… Continue reading on Medi
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Use After Free Zafiyeti nedir, DVRF uae nasıl çözülür
Öncelikle use after free nedir ona bakalım use after free zafiyetini açıklamak gerekirse bir bilet sistemimiz olsun ve biz bileti önce… Continue reading on Medi
The Register 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Chinese attackers are pwning your infrastructure to use in attacks, 10 countries warn
All the Typhoons, everywhere, all at once A majority of China-linked threat actors are using compromised routers and IoT devices worldwide, turning this gear in
HIPAA Security Rule Explained So Simply Anyone Can Understand It
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
HIPAA Security Rule Explained So Simply Anyone Can Understand It
HIPAA isn’t complicated, it’s just explained badly. Continue reading on Medium »
The Compliance Trap: Why is SAQ D considered a “Silent Killer” for Fintechs?
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
The Compliance Trap: Why is SAQ D considered a “Silent Killer” for Fintechs?
In the boardroom, “PCI Compliance” is often treated as a binary status: you are either compliant or you are not. However, for CTOs and… Continue reading on Medi
Malicious Google Ads Target Crypto Users — How Businesses Can Protect Their Wallets
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Malicious Google Ads Target Crypto Users — How Businesses Can Protect Their Wallets
What happened and why it matters to businesses Continue reading on Medium »
The npm Supply Chain Is a Security Risk — Here’s What the Axios & Vercel Incidents Prove
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
The npm Supply Chain Is a Security Risk — Here’s What the Axios & Vercel Incidents Prove
The reality behind the npm supply chain panic—a compromise, a failure of trust, or just a misunderstanding? Continue reading on Medium »
Using DNS over HTTPS to Build a Cleaner, Safer Digital Environment on Your PC.
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Using DNS over HTTPS to Build a Cleaner, Safer Digital Environment on Your PC.
What is DNS over HTTPS ? Continue reading on ILLUMINATION »
The GRC Platform CISOs Actually Need
Medium · Cybersecurity 🔐 Cybersecurity ⚡ AI Lesson 3w ago
The GRC Platform CISOs Actually Need
How an open-source tool is quietly replacing six-figure compliance software, and why your security team should be paying attention Continue reading on Medium »