UMBC CYBER DEFENSE - CAN IT BE BREACHED?
Is the shield for keeping things in or keeping things out? https://clearedge.ctf.umbccd.io/
The website has a shield image as given in the challenge description as a hint.
Downloading and opening the image on the stegsolve tool give us the flag.
Read descriptive writeup at https://jaiguptanick.github.io/Blog/blog/DawgCTF2020Writeup/