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
Hidden_in_Flash #i2c #eeprom #hardware	UMassCTF 2025	48.38	Hardware	files wu 1
Brick_by_Brick	UMassCTF 2026	65.95	Hardware	files
Smart_Brick_v2	UMassCTF 2026	65.95	Hardware	files
IR_Fan	UMassCTF 2025	48.38	Hardware	files