Anonymous hacker, using the name Tristan, posted naked images of celebrities on 4chan website. Jennifer Lawrence, Kate Upton, Jennifer Lawrence and Mary E Winstead among those allegedly affected. Anonymous hacker claims to have 60 selfies and an explicit sex video of the Oscar-winning actress available for a fee of Bitcoin in exchange for more explicit material. Apple has not yet confirmed that its iCloud service was involved in the alleged leak. The FBI said that it had begun investigating the whole matter and will prosecute anyone who posts the stolen photos.
Source: https://thehackernews.com/2014/09/reported-apple-icloud-hack-leaked_1.html