Older versions simply disabled the visual Fog of War layer, though Blizzard's updated Warden Anti-cheat in the Remastered version has made this more difficult to achieve without detection.
Blizzard did not sit idly by. With StarCraft: Remastered , they introduced several layers of protection that didn't exist in the original 1998 client.
Modern Battle.net filters certain traffic rather than exposing absolute direct connections.
When a hacker successfully deploys a maphack, how does Blizzard eventually catch them? And how can you, as an honest player, spot a cheater?
The world of StarCraft: Remastered (SCR) is built on a legacy of intense competition, but where there is competition, there is often a shadow industry of "maphacks." While Blizzard has updated the game's engine and security, the fundamental mechanics of how these cheats function remain rooted in the game’s classic architecture. How Maphacks Work in StarCraft: Remastered
: The game client typically has information about all units on the map to maintain synchronization, even if they aren't visible to you. Hacks "sniff" or read these memory addresses to display the "hidden" data. Anti-Cheat Countermeasures : Modern versions like Remastered

