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API Hacking

API hacking expert, Dr. Katie Paxton-Fear, takes you far beyond her Free Upskill Challenges on the basics of APIs to be your personal guide on learning the hands-on skills needed in today's competitive job...

CTF – Snyk 2025 Fetch the Flag

Hard to believe, but Snyk 2025 Fetch the Flag is the 7th CTF we've released for your educational entertainment. But if this is your first time checking out our CTFs, here's a gentle reminder...

UC – Python CLI Apps

In this free Upskill Challenge, you will embark on a journey to create your first Python CLI App! To make life easier, we'll be using Python Fire, an easy-to-use framework that makes it easy...

UC – Threat Intelligence Feeds

Threat intelligence feeds are automated streams of data that provide information on potentially malicious activity. Sounds great, right? But what's the promise vs. the reality? In this quick lesson, get the facts on why a...