I tagged a friend in one of my photos and then one of their friends 'liked' the photo; I don't have this person as a friend but didn't think anything of it. Then I went on to a different friends profile and saw a picture from her friend (who I'm not friends with) in which she had been tagged; I clicked on it and couldn't see a 'Like' button.
How did the person manage to 'Like' my photo? I've looked through all the settings and can't find anything that would change it. Does anyone know of a way that I can stop people I don't know 'Liking' and possibly commenting on my photos?
Each individual photo now has its own privacy setting - the default seems to br 'public' so you'll have to change the settings on each photo or album to friends only.