: There have been documented cases where vulnerabilities in games or their launchers allowed hackers to run malicious code on a player's machine, potentially turning it into a "zombie drone" for botnets.

: Downloading and running unknown executables from a .rar file can lead to ransomware that encrypts your personal files until a payment is made. 3. Consequences for Account Integrity

In the context of gaming, "external" refers to software that runs outside of the game's core memory space.