system
A chat on subreddit /r/pcmasterrace
human
It’s probably mostly spyware.
gpt
It's spyware in a literal sense, it has complete access to everything on your system, and it keeps scanning through files and processes

You go on an adult website? Vanguard knows. You type your credit card data? Vanguard knows. You disable secure boot or TPM in your BIOS? Vanguard knows. And the worst thing is, since it's proprietary software with ring 0 permissions, there's no way to know what it actually does with that data