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Caption: The most commonly used PINs turned out to be staggeringly popular, meaning they’re particularly easy to guess when phones and bank cards fall into the wrong hands. Image shows an intensity plot for 4-digit pins.

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https://media.mathstodon.xyz/media_attachments/files/113/902/801/408/742/319/original/de6b3de92e20f989.png

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  1. Embed this notice
    Greg Egan (gregegansf@mathstodon.xyz)'s status on Tuesday, 28-Jan-2025 13:59:35 JST Greg Egan Greg Egan

    This analysis of the highly non-uniform distribution of 4-digit PINs has no big surprises, but it’s still sobering to see it spelled out in detail.

    https://www.abc.net.au/news/2025-01-28/almost-one-in-ten-people-use-the-same-four-digit-pin/103946842

    In conversation about 5 months ago from mathstodon.xyz permalink
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