Just Noticed My Dropbox Account Logged In from a New Country — Should I Panic?

I was scrolling through my Dropbox notifications when I saw a login alert from a city I've never been to - it was from Europe, and I'm currently in the US. I double-checked my devices and found no unfamiliar activity there. I immediately changed my password and enabled two-factor authentication, but I’m worried if that’s enough since I use Dropbox for some sensitive work files. I also reviewed my shared folders and saw no strange sharing permissions or new linked apps. My question is, how likely is it that this was just a false alarm or a VPN glitch? And if not, what are the next best steps to ensure my data hasn’t been accessed or copied? Has anyone had a similar scare with cloud storage services and how did you handle it?