Can I scan networks anonymously with GFI LanGuard? Author: Luis Fernandes November 30, 2018 04:21 AnswerNo. GFI LanGuard is a tool designed for network administrators. It creates a lot of noise when it does a scan. It is not a hacking tool, but a security tool to be used by administrators. Related articles What 3rd party products does GFI LanGuard offer major / minor version upgrades for?