Using your hardware to mine cryptocurrency without your knowledge.
Stealing your Epic Games login, bank details, or passwords.
Using skin swappers is a direct violation of Epic Games' Terms of Service (ToS). Epic considers unauthorized modification of game files a "big no-no," and detection can lead to a permanent account ban , resulting in the loss of all legitimately purchased skins and progress.
While these modifications are "client-side" (meaning only you see the change, while other players see your original skin), they come with significant risks.
Turning your PC into part of a network for cyberattacks.
Modifying game files can cause Fortnite to crash, glitch, or fail to update properly, often requiring a full reinstallation of the game. Helpful Precautions