"If you haven't yet enabled encrypted backups for your iPhone or iPad, now's definitely the time to start. Two security researchers have discovered
a simple way to map out where you've been almost anywhere in the world—without any hacking involved. The information comes from a location cache
file found within your iPhone's backups on your Mac or PC, bringing out serious privacy concerns and opening the door for a jealous spouse, thief, or
even a crafty trojan to take a detailed look at your whereabouts. And it's information that no one should have access to—not even law enforcement,
barring a court order."