To avoid being blocked by Netflix's security systems, many checkers use Proxy Servers (HTTPS, SOCKS4, or SOCKS5) to hide the user's IP address.

When you download a compiled checker ( .exe for Windows, .app for Mac) from a random GitHub repository, you are statistically likely to download an (Infostealer).

Minutes later, his terminal didn't show green success messages anymore. It turned a deep, static red. A single message appeared in the command line: