Nowadays every other person we meet on street have smart phone, tablet or phablet & we all have laptop in bag & desktop computer at home & in office.
So data security between devices is big issue now.
Let’s see for Apple Products user in Apple iOS & OSX ecosystem everyone has iMac or Mac Pro, iPhone or iPod touch & iPad. So using modern technologies like iCloud is main key to handling data between all of this devices.
So I will note down few points that will help you to manage your Apple ID to secure your devices & data like contacts, iWork Data files, Keychain passwords & access, iCloud Data, Photos, Notes, Safari Bookmarks & Even features like Back to my Mac, Find my Mac & WiFi iOS Over the air backups.