A maphack removes this limitation. It allows the user to see the entire map, including enemy unit movements, building placements, and resource lines, effectively removing the element of surprise and reconnaissance.
If your goal is to see more of the map in competitive play, focus on these legitimate mechanical skills: starcraft remastered maphack
A maphack does not hack Blizzard’s server. It hacks your own computer's memory. A maphack removes this limitation
(Version 1.20+), Blizzard integrated the game into the modern Battle.net launcher, which includes more robust anti-cheat measures than the original 1998 client. Server-Side Validation including enemy unit movements