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Most to least common 4-digit PINs
(www.grc.com)
or why it is not a good idea to use your birthday as your pin
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this post was submitted on 26 May 2024
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Can someone create a list of the most secure 4-digit PINs?
Umm... wouldn't that... you know... invalidate it?
It’s hard to look at but any of the ones that are black squares in the picture would be the least used ones. It looks like that’s most any that starts in the 7000+ range.
Edit: 6806 for example.
Thanks for the thoughtful answer, but my question was actually meant as a joke.
4 digit pins are not secure. As long as you avoid all the light colored dots on the chart, that's the most secure you can make it.
If a system allows brute forcing without a pause, delay, cool down, or lockout, and a 4 digit pin is the only thing preventing access, they will get in.