Tech Skills
Cybersecurity
Ethical hacking, penetration testing, network security, CTFs and defensive security
Skills in this topic
8 skills — Sign in to track your progress
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

Dev.to · Theo Ezell (webMethodMan)
🔐 Cybersecurity
⚡ AI Lesson
5h ago
The Security Liability of Memory Allocation in TEEs: A Design Decision Log
Memory allocation is not a feature — it is a security liability. In high-assurance Trusted Execution...

Dev.to · sweet
🔐 Cybersecurity
⚡ AI Lesson
5h ago
SaaS Security Best Practices: Auth, Authorization, and Data Protection
Security is not a feature — it is a property of your entire architecture. This guide covers the...

Dev.to · Yassine Sellami
🔐 Cybersecurity
⚡ AI Lesson
5h ago
Stop pasting JWTs into random websites
A JWT isn't just JSON you can inspect. It's a live bearer token. Here's a safer way to decode...

Dev.to · TiltedLunar123
🔐 Cybersecurity
⚡ AI Lesson
6h ago
SAML logs you in, OAuth lets you in: the Security+ protocols people keep confusing
If you are studying for the SY0-701 Security+ exam, there is a cluster of protocols that shows up...

Dev.to · Cor E
🔐 Cybersecurity
⚡ AI Lesson
7h ago
Phantom Squatting: When AI Hallucinated Domains Become Attacker Infrastructure
The Attack Is Simpler Than You Think Researchers at Palo Alto Networks Unit 42 documented...

Dev.to · Programming with Shahan
🔐 Cybersecurity
⚡ AI Lesson
7h ago
How to Bypass Anti-Bot Walls for Production-Ready Apps
In this guide, you’ll learn: Why traditional scraping approaches fail against modern anti-bot...

Dev.to · Cor E
🔐 Cybersecurity
⚡ AI Lesson
7h ago
282 AI Apps Are Handing Strangers Your API Bill — And Calling It a Product
The App Store Has an API Key Problem and "Move Fast" Culture Is to Blame Sixty-three...

Dev.to · Etairos.ai
🔐 Cybersecurity
⚡ AI Lesson
9h ago
SharePoint RCE CVE-2026-45659 Hits CISA KEV as Attackers Exploit It in the Wild
TL;DR what: CISA added SharePoint Server RCE CVE-2026-45659 to its KEV catalog after...

Dev.to · Aribu js
🔐 Cybersecurity
⚡ AI Lesson
14h ago
How I Built a Free AI-Powered Cybersecurity Guide
A personal story of building a bilingual cybersecurity guide with embedded AI assistants, structured Schema markup, and GEO optimization.

Dev.to · Luis Cruz
🔐 Cybersecurity
⚡ AI Lesson
15h ago
Checkov: Guia Completo de Segurança para Infraestrutura como Código
Escrever infraestrutura como código resolve o problema de reprodutibilidade, mas cria um novo risco:...

Dev.to · Andrei Toma
🔐 Cybersecurity
⚡ AI Lesson
15h ago
Fixing XDP Redirect Map Failures for Edge Security
Learn how to troubleshoot XDP redirect map lookup failures and maintain high-speed network security on low-cost edge hardware like the Raspberry Pi.

Dev.to · Hamza Mansoor
🔐 Cybersecurity
⚡ AI Lesson
18h ago
I built envcontract: give your .env file a contract (and stop leaking secrets)
Every project I've worked on relies on a .env file — database URLs, ports, API keys. And every team...

Dev.to · PatchVex
🔐 Cybersecurity
⚡ AI Lesson
18h ago
SOC 2 CC7.1: What Auditors Actually Ask For in Vulnerability Management
Your SOC 2 Type II audit is scheduled. Somewhere in the auditor's request list is a line that looks...

Dev.to · Andrea Roversi
🔐 Cybersecurity
⚡ AI Lesson
20h ago
Firebase PWA Security Audit: XSS via innerHTML, Hardcoded Credentials and a Custom Token Migration
Three vulnerabilities found in priority order in a vanilla JS Firebase management panel: XSS via...

Dev.to · CyberMaîtrise CyberMaîtrise
🔐 Cybersecurity
⚡ AI Lesson
20h ago
Outil de Cybersécurité du Jour - Jul 2, 2026
Titre: Décryptage de l'outil de cybersécurité incontournable : Wireshark ...

Dev.to · Yogeshwar Peela
🔐 Cybersecurity
⚡ AI Lesson
20h ago
HackTheBox: vulnEscape Writeup
Summary Escape is a Windows box that exposes only RDP (3389). The RDP session drops you...

Dev.to · Aditya Pandekar
🔐 Cybersecurity
⚡ AI Lesson
20h ago
Ethical Hacker vs Cybercriminal: What’s the Difference?
Introduction Offensive technical skillsets are explicitly dual-use, making it vital to establish the...

Dev.to · Ayman Eldawy
🔐 Cybersecurity
⚡ AI Lesson
22h ago
What is Content Security Policy (CSP)?
One of the most important, yet often underrated, topics in frontend security is Content Security...

Dev.to · Shweta Pathak
🔐 Cybersecurity
⚡ AI Lesson
22h ago
Top 10 Cybersecurity Jobs That AI Cannot Replace: The Human-in-the-Loop Roadmap
Introduction In the rapidly evolving landscape of Cyber Security, there is a growing fear that...

Dev.to · Yogeshwar Peela
🔐 Cybersecurity
⚡ AI Lesson
1d ago
HackTheBox: Manage Writeup
Summary Manage is a Linux box built around an exposed Java RMI / JMX service...

Dev.to · Wade Thomas
🔐 Cybersecurity
⚡ AI Lesson
1d ago
How to Secure a VPS: The Complete Ubuntu Hardening Guide
Step-by-step VPS hardening for Ubuntu — create a sudo user, lock down root, configure UFW, change your SSH port, and set up Fail2Ban.

Dev.to · Mark0
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Finding and Addressing Vulnerable and Outdated Web Application Components
Vulnerable and outdated third-party components like jQuery, Angular, and Bootstrap remain a pervasive...

Dev.to · swift king
🔐 Cybersecurity
⚡ AI Lesson
1d ago
I Analyzed 200 Free Online Tools — 87% Upload Your Files Without Clear Disclosure
Last week I ran a systematic test. I opened 200 free browser-based utility tools — converters,...

Dev.to · fdjedkdls-spec
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Using AI to find authorization bugs — and to prove the ones that aren't real
Using AI to find authorization bugs — and to prove the ones that aren't real Draft...

Dev.to · Vadim Ivanov
🔐 Cybersecurity
⚡ AI Lesson
1d ago
How to safely move your DMARC policy from p=none to p=reject
Publishing a DMARC record is the easy part. Most domains do it: in a scan I ran across the top 10,000...

Dev.to · TiltedLunar123
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Full, incremental, differential: the Security+ backup question that trips people up
Backups feel like the easy part of Security+. You run a full backup, then smaller ones through the...

Dev.to · Furkan Beydemir
🔐 Cybersecurity
⚡ AI Lesson
1d ago
I scanned my own laptop for leaked secrets and found 62,311 of them
Last week I got a little paranoid about how much sensitive data my AI coding tools were writing to...

Dev.to · Mayne
🔐 Cybersecurity
⚡ AI Lesson
1d ago
38+ Cryptographic Algorithms in Pure Zig - Zero Dependencies, Zero Std Imports
38+ pure Zig cryptographic algorithms - hash functions, symmetric/ asymmetric crypto, KDFs, and post-quantum schemes. Zero std imports, zero dependencies, zero

Dev.to · Dhruv Rastogi
🔐 Cybersecurity
⚡ AI Lesson
1d ago
I built a formal verifier for EVM contracts with no SMT solver
Most smart-contract bugs aren't exotic. They're an > that should have been a >=, an invariant...
Dev.to · Dave Kurian
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Cursor AI Editor Patched Critical Sandbox Escape Flaws
Two high-severity vulnerabilities in Cursor AI editor allowed arbitrary command execution without user interaction. Patch now available in Cursor 3.0.

Dev.to · Chathura Rathnayaka
🔐 Cybersecurity
⚡ AI Lesson
1d ago
David Chaum's ghost in the machine: A warning from 1990.
David Chaum's Ghost in the Machine: A 1990 Warning for Tomorrow's Architects ...

Dev.to · Martese O Temple, Sr
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Understanding Security+ 701 Threat Vectors (For Future DoD Professionals)
If you're a high school senior thinking about a career in cybersecurity—especially working with the...

Dev.to · Achin Bansal
🔐 Cybersecurity
⚡ AI Lesson
1d ago
AI Tools Discover WebKit Vulnerabilities as Apple Accelerates Patch Cadence
Forensic Summary Apple patched over 30 vulnerabilities across iOS, macOS, and Safari, with...

Dev.to · Pranay Trivedi
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Understanding the ISSAP Certification
Explore the ISSAP certification, its benefits, key domains, and effective preparation tips for aspiring security professionals.

Dev.to · Code Decode Labs
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Why Cybersecurity Is No Longer an IT Decision; It’s a Business Strategy
In 2025, the global average cost of a data breach was $4.44 million. In the United States alone, that...

Dev.to · Pascal Kuhn
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Local-First vs. Cloud Password Managers: What SMBs Should Know
A practical comparison of local-first and cloud-based password managers for small and medium...

Dev.to · Bala Paranj
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Microsegmentation is a Workaround for a Missing Application Map
Zero Trust says 'only allow required network flows.' Nobody declares which flows are required. So the industry compares what's allowed against what's observed a

Dev.to · Shushkrut Ghiwe
🔐 Cybersecurity
⚡ AI Lesson
1d ago
ISO 27001 vs SOC 2: Strategic Comparison Guide
ISO 27001 vs SOC 2: The Definitive Strategic Compliance Comparison Guide Enterprise Governance, Risk...

Dev.to · TiltedLunar123
🔐 Cybersecurity
⚡ AI Lesson
1d ago
A clean vulnerability scan doesn't mean you're secure: a Security+ Domain 4 breakdown
If you are studying for SY0-701, vulnerability management questions have a habit of looking easy and...

Dev.to · Nchiminyi — Founder, Kriosa
🔐 Cybersecurity
⚡ AI Lesson
1d ago
Why I built a security tool for PHP developers in Africa
I'm Nchiminyi, a PHP/Laravel developer from Cameroon. A few months ago I watched a developer I know...

Dev.to · Yogeshwar Peela
🔐 Cybersecurity
⚡ AI Lesson
1d ago
HackTheBox: Reset Writeup
Summary Reset is a Linux box built around a chain of web application logic flaws and a...

Dev.to · Adrian Alexandru Stinga
🔐 Cybersecurity
⚡ AI Lesson
2d ago
The same 5 signals that preceded every major attack wave since 2012 are all active right now
What I’m seeing right now on the dark web tells me the next major attack wave is not a question of...

Dev.to · Steve Emmerich
🔐 Cybersecurity
⚡ AI Lesson
2d ago
Short-lived, scoped, challenge-based: designing safer service tokens for agents
A lot of security design comes down to asking a plain question: if this credential leaks, how bad is...

Dev.to · Cor E
🔐 Cybersecurity
⚡ AI Lesson
2d ago
BioShocking: How AI Browsers Were Tricked Into Handing Over Your Passwords
Six AI browsers and assistants. One adversarial framing technique. Your credentials,...

Dev.to · Atharv Gupta
🔐 Cybersecurity
⚡ AI Lesson
2d ago
Threat Intelligence Sharing: Why Collective Defense Is the Future of Ransomware Protection
Ransomware has kinda moved past those lone, isolated hits that individual hackers used to do. These...

Dev.to · Zein Saleh
🔐 Cybersecurity
⚡ AI Lesson
2d ago
I found 10 bugs in my own security scanner. Here's what they taught me about false positives.
I built a VS Code extension that scans code for leaked secrets, PII, and security vulnerabilities...

Dev.to · Shieldly
🔐 Cybersecurity
⚡ AI Lesson
2d ago
The 7 IAM Misconfigurations We See in Almost Every AWS Account
Originally published at shieldly.io/blog. After analyzing a lot of IAM policies, the same seven...

Dev.to · v. Splicer
🔐 Cybersecurity
⚡ AI Lesson
2d ago
Nobody Is Coming to Save Your Privacy. Build the Tools Yourself
The cavalry isn't delayed. It was never dispatched. You have already done the ritual. You clicked...
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