We have a web page which lists every single tool/service we use, and we actively encourage people to check whether unfamiliar links are listed on that page. I'

We have a web page which lists every single tool/service we use, and we actively encourage people to check whether unfamiliar links are listed on that page. I've considered creating a browser plugin which marks the address bar red/green when you're on URLs the company (dis)trusts. Seems like this would be something that should exist already.