But if you had compromised machines that had trusted reachability, you're still susceptible for infection (and makes it easier for persistence). Giving RouterOS a public address is just another surface area to attack. If you think ISPApp might be useful for you, or even if you're not sure, please DM me, I'd love to show off what it can do for 10-15 minutes of your time.' This is why ethical people who self-promote add disclaimers, like this: 'Disclaimer: I built ISPApp all by myself and am the owner' - you can even turn that into a sales hook! 'Disclaimer: I built ISPApp all by myself and am the owner.