Predictable passcodes
Posted: 28 Jun 2011, 21:23
SourceSlashdot wrote:Research reveals something we all suspected but couldn't prove — in a four digit pin the most popular first digit is one, the most popular second digit is two. Entropy only really kicks in on the third and fourth digits. What is more looking at the frequencies of four digit groups just 10 different passcodes would be enough to unlock one in seven iPhones!
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