I have no idea if this is related, but just now I attempted to purchase an app on the Mac AppStore and, after authenticating, I was given a prompt to re-enter m

I have no idea if this is related, but just now I attempted to purchase an app on the Mac AppStore and, after authenticating, I was given a prompt to re-enter my password and: Improve Apple ID Security - To help ensure the security of your Apple ID, choose three security questions and answers. Just random because I don't have challenge responses on record, or immediate low-hanging fruit in response to this breach?