The most common iPhone passcodes

Wonder which is the most popular lockscreen PIN? Based on a sample of 204,000 passcodes, here are the most popular passcode choices.

Wonder which is the most popular lockscreen PIN?

Daniel Amitay, the developer of the Big Brother Camera Security iPhone app has been collecting aggregate data on the use of lockscreen PINs of users of his application. Based on a sample of 204,000 passcodes, here are the most popular passcode choices:

  • 1234
  • 0000
  • 2580
  • 1111
  • 5555
  • 5683
  • 0852
  • 2222
  • 1212
  • 1998

Not surprisingly, the ubiquitous 1234 occupies the top position. The research data further examines the connection between the passcode choice and the different numbers, and find out that "with a 15% success rate, about 1 in 7 iPhones would easily unlock--even more if the intruder knows the users’ years of birth, relationship status, etc"

The research data excludes password re-use patterns, therefore it's fairly logical to assume that the same insecure passcode choosing patterns can be seen elsewhere as well.

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