Apple to tighten iCloud security after celebrity leaks

Apple is to bolster iCloud security after intimate pictures of celebrities were stolen and published online, chief executive Tim Cook has said.

Alerts sent to users will now include one when data is restored to a new device, Mr Cook told the Wall Street Journal.

iCloud accounts may been broken into when hackers correctly guessed passwords or through phishing, he said.

But Apple's security had not been breached.

The company already

Celebrity leaks: Apple confirms accounts compromised but denies security breach

Apple has confirmed that some celebrities' iCloud accounts were broken into, but says it has found no evidence that this was caused by a breach of its security systems.

Instead, the firm suggests perpetrators carried out their thefts by deducing victims' log-in credentials.

The statement follows the online publication of intimate pictures of about 20 personalities.

Actress Jennifer Lawrence has confirmed a leaked topless photo of her was real.

There had been speculation that the images were obtained due to a vulnerability in software that allows users to locate missing iPhones, since it had allowed unlimited password guesses.

But Apple has indicated that