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Secure System Design -- 14 Challenges

Dev.to · fosres 🔐 Cybersecurity ⚡ AI Lesson 2mo ago

Secure System Design -- 14 Challenges

I Studied 14 Real Security Engineering Interview Problems. Here Is Everything I...

Week 12: Malware Analysis Lab: Can You Identify This Malware?

Dev.to · fosres 🔐 Cybersecurity ⚡ AI Lesson 3mo ago

Week 12: Malware Analysis Lab: Can You Identify This Malware?

A hands-on security challenge that tests your CLI, Python, cryptography, encoding, and Linux permissions skills — all at once.

Week 11: Audit 7 Full-Stack Security Audit Challenges: Can You Find All the Bugs?

Dev.to · fosres 3mo ago

Week 11: Audit 7 Full-Stack Security Audit Challenges: Can You Find All the Bugs?

Real full-stack Python + JavaScript code riddled with SQL Injection, XSS, IDOR, Path Traversal, SSRF, OS Command Injection, and Broken Auth. Audit it. Fix it. S

Week 9: Audit 70 FullStack Snippets for XSS

Dev.to · fosres 🔐 Cybersecurity ⚡ AI Lesson 4mo ago

Week 9: Audit 70 FullStack Snippets for XSS

70 XSS Code Audit Cases: Can You Find Every Bug Before an LLM Does It For Them? ...

Week 8 Challenge: Build an Anti-XSS Escape Encoding Framework in Python

Dev.to · fosres 🔐 Cybersecurity ⚡ AI Lesson 4mo ago

Week 8 Challenge: Build an Anti-XSS Escape Encoding Framework in Python

A LeetCode-style secure coding challenge — implement a context-aware XSS prevention framework covering HTML, attribute, JavaScript, URL, and CSP output contexts

Week 7 Scripting Challenge: JWT Token Validation

Dev.to · fosres ⚡ AI Lesson 4mo ago

Week 7 Scripting Challenge: JWT Token Validation

A hands-on security engineering challenge: implement a JWT validator using PyJWT and the cryptography library, then discover which five of the twelve required s

Week 5 Scripting Challenge: Secure Password Authentication

Dev.to · fosres 🔧 Backend Engineering 5mo ago

Week 5 Scripting Challenge: Secure Password Authentication

Build complete authentication with scrypt, PBKDF2, Argon2, AND bcrypt across 3 databases. 32 functions, 100+ tests. Can you implement them all correctly?

Week 4 SQL Injection Audit Challenge

Dev.to · fosres 🔐 Cybersecurity 6mo ago

Week 4 SQL Injection Audit Challenge

66 SQL Injection Code Audit Exercises: From Beginner to Expert 🔐 Master SQL injection...

SQL Injection Audit Challenge Week 1

Dev.to · fosres 🔐 Cybersecurity 7mo ago

SQL Injection Audit Challenge Week 1

Master SQL Injection Detection: 15 Real-World Exercises for AppSec Engineers The...