Is there any way to be sure that pre-made EFIs from GitHub are safe?

I am actually writing this off my Hackintoshed x390 (Used this EFI): https://github.com/mahronid/thinkpad-x390-hackintosh. I want to daily drive this machine. However, I feel kind of insecure when it comes to entering my personal data on this machine. I'm no cybersecurity expert, but is there a way such a pre-made EFI could be compromised?

Yes, I know it's better do make/build your own EFIs. I have done that in the past. Unfortunaly, it's too time consuming for me, and this pre-made EFi works flawlessly. Just wanted to be sure though

submitted by /u/debiancat
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