This isn't the first time Apple's online service has been linked to a hack. Apple's statement on Tuesday refuted speculation about a widespread breach. However, some of the photos appeared to have come from different devices and may have been accumulated over a long period of time. Two-factor authentication: What you need to know (FAQ).

Apple 'actively investigating' iCloud link to celeb photo leak.The code-hosting site reported that Apple had repaired the vulnerability. Some security sites speculated that a vulnerability in the online storage service's 'Find My iPhone' feature could allow a brute force attack in which multiple, rapid-fire attempts are made to correctly guess an account's password, according to Github. Whether a security breach at its iCloud service was responsible for the leak of several private, nude images of celebrities, including Lawrence. The images were said to have been taken from the iCloud accounts of celebrities such as Lawrence, model Kate Upton, and recording artist Ariana Grande, and have since spread across the Internet on social media. 'None of the cases we have investigated has resulted from any breach in any of Apple's systems including iCloud or Find my iPhone.'ДЄpple declined to comment beyond the statement.ДЄ large cache of risque images - some said to be real, others fake - first appeared Sunday on the image-based bulletin board 4chan. 'After more than 40 hours of investigation, we have discovered that certain celebrity accounts were compromised by a very targeted attack on user names, passwords, and security questions, a practice that has become all too common on the Internet,' Apple said in a statement. The Cupertino, Calif., electronics giant on Tuesday said the recent attack on celebrity iCloud accounts wasn't a widespread breach but was the result of a targeted attack on people such as actress Jennifer Lawrence. Jennifer Lawrence, pictured attending the Christian Dior show in July as part of Paris Fashion Week, had photos stolen from her Apple account.

Apple security breach