What are the common characters used in corporate passwords? (2012)

Study: Trustwave 2012 Global Security Report
Date: February 9 2012

The corporate passwords that were cracked fell into the following character types & combinations (n=2,521,248):

36.5%	Lowercase + Number
29.3%	Lowercase + Uppercase + Number
23.9%	Lowercase + Uppercase + Number + Special
5.1%	Lowercase + Number + Special
2.1%	Lowercase Only
1.6%	Uppercase + Number
0.2%	Number Only
0.1%	Lowercase + Special
0.8%	Lowercase + Uppercase + Special
0.3%	Uppercase + Number + Special
0.09%	Lowercase + Uppercase
0.03%	Uppercase Only
0.004%	Special Only
0.004%	Uppercase + Special
0.004%	Number + Special

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