Well, many of you are paranoid about someone gaining access to your iPhone or iPad data should it be stolen or left unattended. But many aren't too smart when choosing their passcode, some people use street addresses or maybe even their bank pin number. 15% of the passcodes reviewed included the 10 shown below in the table...giving someone a 1 in 7 chance of determining the passcode for a given iPhone or iPad.
Daniel Amitay stated on his blog
Naturally, 1234 is the most common passcode: mimicking the most common internet passwords. To put this into perspective, these 10 codes represent 15% of all passcodes in use. Most of the top passcodes follow typical formulas, such as four identical digits, moving in a line up/down the pad, repetition. 5683 is the passcode with the least obvious pattern, but it turns out that it is the number representation of LOVE (5683), once again mimicking a very common internet password: “iloveyou.”
Other popular passcodes included years 1990 to 2000, which are all in the top 50 along with 1980 through 1989 being in the top 100 most popular passcodes. I would interpret this occurrence as a subset of users that set their passcodes to the year of their birth or graduation.
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