WebBeginner
Cookie Crumbs
Inspect a demo session cookie and explain why it is not tamper-proof.
50 pts Solved
Challenges
Capture the flag, defensively
Puzzles built on sandboxed artifacts and fictional systems. Every solution ends in an explanation you could hand to an engineering team.
Challenges never target real-world systems. Do not apply these techniques without explicit authorization.
Solved
3/12
Points earned
250
Categories
7
Beginner
CryptoBeginner
Base of Operations
Decode layered encodings in a sample artifact.
50 pts Solved
ForensicsBeginner
Metadata Trail
Recover a workflow timeline from demo file metadata.
75 ptsUnsolved
OSINTBeginner
Public Footprint
Map a fictional company's public surface from provided documents.
75 ptsUnsolved
Intermediate
LinuxIntermediate
Permission Denied
Explain a misconfigured permission set in a sandbox filesystem.
150 pts Solved
WebIntermediate
Header Games
Diagnose a broken CSP in an isolated demo app.
150 ptsUnsolved
NetworkingIntermediate
Packet Puzzle
Reconstruct a session from a supplied sample capture.
175 ptsUnsolved
CryptoIntermediate
Nonce Sense
Explain why nonce reuse breaks a demo cipher mode.
200 ptsUnsolved
Advanced
Secure CodingAdvanced
Review Board
Find and fix three authorization flaws in a provided snippet.
300 ptsUnsolved
ForensicsAdvanced
Chain of Custody
Build a defensible incident timeline from demo evidence.
325 ptsUnsolved
NetworkingAdvanced
Segmentation Fault Line
Design segmentation for a sample flat network.
350 ptsUnsolved
Secure CodingAdvanced
Zero Trust Blueprint
Propose a zero-trust redesign for a demo architecture.
400 ptsUnsolved