September 30, 2014

Top 10 Passcodes to Avoid Using on Your iPhone

Daniel Amitay, the developer of Big Brother Camera Security, added some code his app to anonymously record common user passcodes and the results are quite interesting. The app collected 204,508 passcodes and Daniel discovered that 10 common passcodes were used in over 15% of the cases. This means that you have a greater than 1 in 10 chance of breaking into someones cell phone by just trying the ten most common passcodes listed below.

  1. 1234 – 8,884 uses or 4.34%
  2. 0000 – 5, 246 or 2.5%
  3. 2580 – 4,753
  4. 1111 – 3,262
  5. 5555 – 1,774
  6. 5683 – 1,425
  7. 0852 – 1,221
  8. 2222 – 1,139
  9. 1212 – 944
  10. 1998 – 822

As expected, 1234 is the most common passcode and the other passcodes follow typical formulas, such as four identical digits (0000,1111,5555,2222) or moving in a line up or down the pad (2580 & 0852). 5683 isn’t instantly clear, but if you look carefully at the letters on the numbers you will see it spells “love”.

In 2010 Imperva released a study analyzing 32 million passwords and found that the 10 most commonly used passwords for computers and Internet accounts were:

  • 123456
  • 12345
  • 123456789
  • Password
  • iloveyou
  • princess
  • rockyou
  • 1234567
  • 12345678
  • abc123
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