Apple is reassuring customers that its systems have not been breached Attack.Databreach while a hacker , or hackers , threaten to remotely wipe hundreds of millions iPhones of all their data , including photos , videos , and messages . The hackers are using an alleged cache of stolen email accounts and passwords as leverage in an attempt to extort Attack.Ransom the world ’ s most valuable company . They claim to have access Attack.Databreach to as many as 559 million Apple email and iCloud accounts , Vice blog Motherboard reported on Tuesday . The group , calling itself “ Turkish Crime Family , ” said it would delete its alleged list of compromised login credentials only after Apple pays Attack.Ransom it $ 75,000 in cryptocurrency , either Bitcoin or rival Ether , or $ 100,000 worth of iTunes gift cards , Motherboard reported . The group has given Apple ( aapl ) a deadline of April 7 to meet its demands . Though Apple has not officially confirmed the authenticity of the data that the hackers say they have , an Apple spokesperson told Fortune in an emailed statement that , if the list is legitimate , it was not obtained Attack.Databreach through any hack Attack.Databreach of Apple . “ There have not been any breaches Attack.Databreach in any of Apple ’ s systems including iCloud and Apple ID , ” the spokesperson said . “ The alleged list of email addresses and passwords appears to have been obtained Attack.Databreach from previously compromised Attack.Databreach third-party services ” . A person familiar with the contents of the alleged data set said that many of the email accounts and passwords contained within it matched data leaked Attack.Databreach in a past breach Attack.Databreach at LinkedIn . The company representative declined to elaborate on what steps Apple had taken to monitor the situation . The spokesperson merely noted that such measures , whatever they may be , are “ standard procedure ” . Apple customers who secure their iCloud accounts with the same passwords they use on other online accounts—especially ones at LinkedIn , Yahoo ( yhoo ) , Dropbox , and other sites recently revealed to have suffered big breaches over the past few years—should adopt new passwords that are long , strong , and unique . Many security experts also recommend storing them in a password manager , and activating two-factor authentication , an additional layer of security , where available .