Case archive

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investigation.

Filter by track or difficulty. Every live case has a defined answer and stays inside a safe, explicit scope.

4 cases
CASE C-101Easy
Professional CTF

Header Trust

A development endpoint trusts a claim the browser is free to change.

Web 15 min100 pts
Review case
CASE C-102Easy
Professional CTF

Shift Report

A routine field report was encoded with a very old substitution.

Cryptography 10 min100 pts
Review case
CASE C-103Medium
Professional CTF

Metadata Trail

The document is ordinary. Its properties are less careful.

Forensics 25 min200 pts
In development
CASE C-104Hard
Professional CTF

Cold Storage

A cloud snapshot contains one permission that should never have survived.

Cloud Security 45 min400 pts
In development