Inspired by this -> https://insight.duo.com/
- get a list of e-mail addresses
- send e-mails with personal URL from hashed e-mail address
- log each requests (ts, url, user) on server
- e-mail addresses of personel who clicked the link
- % personel who clicked
- avg time to click
- test who would give up their credentials in a company-looking-dialog
- test browser version