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• PIN number analysis http://www.datagenetics.com/blog/september32012/ 82 comments 27/1/2013
• PIN Number Analysis http://www.datagenetics.com/blog/september32012/ 2 comments 15/10/2012
• Analysis of bank PIN numbers http://www.datagenetics.com/blog/september32012/index.html 111 comments 17/9/2012
• Most to least common 4-digit PIN numbers from an analysis of 3.4M https://old.reddit.com/r/dataisbeautiful/comments/1cn7l7r/oc_most_common_4_digit_pin_numbers_from_an/ 19 comments 9/5/2024

• PIN number analysis http://www.datagenetics.com/blog/september32012/index.html 86 comments 19/9/2012 netsec
• PIN number analysis - numerical passwords analyzed graphically and statistically http://www.datagenetics.com/blog/september32012/ 13 comments 17/4/2013 netsec