This was supposed to be a simple challenge for new employees, but despite the simplicity of the solution, it was way too hard to find... I'm interested to see i

This was supposed to be a simple challenge for new employees, but despite the simplicity of the solution, it was way too hard to find... I'm interested to see if HN can crack it :) I'll throw an extra hint : The message is readable in absolutely every web browser. But not if you are using Tor.