We have recently experienced a security incident that may potentially involve your Plex account information. We believe the actual impact of this incident is limited; however, action is required from you to ensure your account remains secure. What happened An unauthorized third party accessed a limited subset of customer data from one of our databases. While we quickly contained the incident, information that was accessed included emails, usernames, securely hashed passwords and authentication...
Most of these require some form of random id to exploit, which leaves you either brute forcing ids or brute forcing a user account
If you hand wave those away then you can’t possibly have any issue with Plex.
I mean, that’s fine, but it’s still an issue and a risk that would cause me to want to use VPN for remote viewing. It doesn’t seem like security is Jellyfin’s priority at the moment, not that it’s Plex’s either, but it’s not to a place where it’s worth it to switch from a security standpoint, personally.