According to Buzzfeed they confirmed that paparazzi agency X17 was shopping around 26 pictures of Doria and Archie. They were claiming they were from a family outing in Malibu but it’s obvious it’s from their home.
https://www.buzzfeednews.com/article/ikrd/prince-harry-meghan-markle-archie-lawsuit-paparazzi
https://www.buzzfeednews.com/article/ikrd/prince-harry-meghan-markle-archie-lawsuit-paparazzi