Literally stop being paranoid and do it. Prosecuting individuals for reproducing copyrighted material is almost never enforced unless you’re directly angering the copyright holder.

“security” in /Linux distributions is using up-to-date software and having common sense OPSEC. I suggest you read up on the computer science of torrenting first and then pick your preferred libre bittorrent client with a VPN.

Sorry if I sound a bit standoffish but you have to rid yourself of the idea that there exists a “secure linux os.” The only increased security with libre software is your own knowledge and know how.

It allows integration with IMAP and SMTP and allows users to connect from TOR.

It might be useful if you use the airmail.cc domain name as a default email identity.