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Search hundreds of walkthroughs and challenges by security category or difficulty. Whether you're a beginner or a seasoned pro, there's something for everyone!

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n8n: CVE-2025-68613
room

n8n: CVE-2025-68613

Learn how adversaries can exploit the CVE-2025-68613 vulnerability in n8n.

easy

Premium Walkthrough
Exploitation with cURL - Hoperation Eggsploit
room

Exploitation with cURL - Hoperation Eggsploit

The evil Easter bunnies operate a web control panel that holds the wormhole open. Using cURL, identify the endpoints, send the required requests, and shut the wormhole once and for all.

easy

Free Walkthrough
AWS Security - S3cret Santa
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AWS Security - S3cret Santa

Learn the basics of AWS enumeration.

easy

Free Walkthrough
C2 Detection - Command & Carol
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C2 Detection - Command & Carol

Explore how to analyze a large PCAP and extract valuable information.

medium

Free Walkthrough
BreachBlocker Unlocker
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BreachBlocker Unlocker

Hopper needs your help to get the final key to the throne room.

hard

Free Challenge
Malware Analysis - Malhare.exe
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Malware Analysis - Malhare.exe

Learn about malware analysis and forensics.

easy

Free Walkthrough
Race Conditions - Toy to The World
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Race Conditions - Toy to The World

Learn how to exploit a race condition attack to oversell the limited-edition SleighToy.

easy

Free Walkthrough
ICS/Modbus - Claus for Concern
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ICS/Modbus - Claus for Concern

Learn to identify and exploit weaknesses in ICS systems.

medium

Free Walkthrough
Obfuscation - The Egg Shell File
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Obfuscation - The Egg Shell File

McSkidy keeps her focus on a particular alert that caught her interest: an email posing as northpole-hr.

medium

Free Walkthrough
Carrotbane of My Existence
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Carrotbane of My Existence

Hopper’s uprising is just getting started.

medium

Free Challenge
CyberChef - Hoperation Save McSkidy
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CyberChef - Hoperation Save McSkidy

The story continues, and the elves mount a rescue and will try to breach the Quantum Fortress's defenses and free McSkidy.

medium

Free Walkthrough
Forensics - Registry Furensics
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Forensics - Registry Furensics

Learn what the Windows Registry is and how to investigate it.

medium

Free Walkthrough

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