Links

Apply for membership — a human reviews every application.

Workshops, CTFs, and meetups. Come to one, no experience needed.

Rules, guides, and quick answers in one place.

Stuck, or want to suggest a link for this page? Tell us here.

The shell, Git, and tooling your degree skips over.

Lessons, certificates, and coding-interview prep. Free forever.

Harvard's free introductory coding courses.

25 small challenges every December. Great winter habit.

Zero-to-hero Linux through a beginner wargame.

Bite-size lessons on the parts of Linux you'll actually use.

Short, visual lessons on web exploitation basics.

Hands-on labs for learning to hack the web, step by step.

Free labs from the makers of Burp Suite. The gold standard.

Free web-security course with bug-bounty practice.

Pentesting labs and machines, from beginner to brutal.

Guided rooms that hold your hand until you don't need it.

A curated list of Windows security and hacking resources.

Tools and techniques used by pentesters and red teamers.

Demos and notes on OSI, VPNs, Wireshark, and wireless.

Everything IoT security, from firmware to radios.

AWS, Azure, and Google Cloud security resources.

Free labs and cloud-skills development for students.

Write-ups and resources. Start by reading other hunters.

Public disclosed reports — learn what real findings look like.

Free dev tools, hosting, Copilot, and more.

Free Azure credit and services, no card required.

20% off annual subscriptions with student status.

A friendly web pentesting proxy, free for a year.

See every device on the internet. A classic OSINT tool.

Announcements, help, and late-night CTF channels.

Photos from workshops, events, and the chaos between.

The professional face — sponsors and alumni look here.

Short updates and event shout-outs.