Harry and Meghan were forced to leave their home after the photos were published in outlets such as The Times, a case-lawed royal source told CNN.
Splash News chartered a helicopter in January to take pictures of the couple's private home in the Cotswolds area of England, which Buckingham Palace said threatened the couple's safety.
the safety of the Duke and the house to the extent that they are no longer able to live on the property, "it says in a statement by the palace.
"The helicopter flew over the house at low altitude, allowing Splash to take photos of and into the living and dining areas of the house and directly into the bedroom," he added.
"The Duke of Sussex acknowledges and welcomes the formal apology of Splash News and Picture Agency."
Harry and Meghan's official residence is Frogmore Cottage in Windsor, near London.
In 2016, Kensington Palace issued a rare statement in Harry's name in which he overstaffed media coverage The couple criticized and noted that "his girlfriend Meghan Markle has been subjected to a wave of abuse and harassment." The Press Association news agency, Splash, said she "has always recognized that this situation is an assessment error and we have taken steps to make sure it is not repeated. We apologize to the Duke and the Duchess for the hardships we have caused. "
CNN asked Splash for a comment.