It's been addressed multiple times (e.g. here: https://proton.me/blog/climate-activist-arrest https://proton.me/blog/climate-activist-arrest). The IP address in

It's been addressed multiple times (e.g. here: https://proton.me/blog/climate-activist-arrest https://proton.me/blog/climate-activist-arrest). The IP address in question was a signup address, which we need to keep temporarily in order to keep the services working properly and prevent abuse. As any other legally operating company, we need to comply with the local legislation, and we've been transparent about it: https://proton.me/legal/transparency https://proton.me/legal/transparency. If anonymity is part of your threat model, we recommend using a no-logs VPN service or Tor to hide your actual IP address: https://proton.me/blog/use-protonmail-anonymously https://proton.me/blog/use-protonmail-anonymously.