For those who received this and are worried thier phone may be compromised. Dont panic.
Yes I got that Find My Phone notification too on my S10 but did not worry too much after checking it
However some customers were concerning about hacking and a few going spare on social media. Anyway Samsung will work to try and prevent a similar occurence. https://www.theverge.com/2020/2/20/21145130/samsung-find-my-mobile-app-1-notification-galaxy