SecDim AppSec Journeys - M4773L

03/03/2026

At SecDim, we’re proud to have supported the AppSec journeys of many developers. One such person is @Matt (username M4773L).

Joined in 2023, M4773L quickly became one of our most dedicated contributors:

13 awards

5 challenges created

3rd place on our Hall of Fame

From his first Hackblitz to regular appearances in Holiday Wargames and even the AppSec Village CTF at DefCon 32, M4773L has consistently pushed the boundaries of his AppSec skills.

Stories like his are why we built SecDim. We hope his journey continues to inspire others to start theirs.

Start your Journey today: https://play.secdim.com

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