I know that Safe Search highlights a warning "not to continue to go to this website" when the website concerned has a history of infecting PCs that visit it. I've seen several example myself & it's excellent.
But would Safe Search highlight a site that doesn't infect PC but may have been compromised by hackers.
This article by Krebs about Google search is what I'm referring to:
http://krebsonsecurity.com/2017/03/google-points-to-another-pos-vendor-breach/