Challenges

Category Web Pwn Reverse Crypto Forensics Misc OSINT Stego Blockchain Hardware Mobile

Difficulty Beginner Easy Medium Hard Insane

CTFtime weight

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Higher weight ≈ harder, more prestigious event.

Year

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CTF

Country

Must have Source / Docker Writeup

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Challenge	CTF	Weight	Category	Has
Encrypted_Audit_Logs	UNSDG 2026	–	Misc	files
Patient_Zero	UNSDG 2026	–	Misc	files
Prescription_Pad	UNSDG 2026	–	Misc	files
Vital_Signs	UNSDG 2026	–	Misc	files