Ashley Madison User's Email Domains

Looking through the Ashley Madison email dataset, I noticed a surprising number of users registered with employee email addresses. Here’s a list of the top 20 Fortune 50 companies ordered by number of employee emails registered on Ashley Madison.

Company Email Domain # Of Emails
General Motors gm.com 361
IBM ibm.com 251
General Electric ge.com 217
Hewlett Packard hp.com 193
Ford ford.com 179
Wells Fargo wellsfargo.com 171
Proctor and Gamble pg.com 152
Boeing boeing.com 117
UPS ups.com 74
Bank of America baml.com 72
Citi Bank citi.com 60
PepsiCo pepsico.com 59
DOW dow.com 59
Walmart walmart.com 52
Metlife metlife.com 43
State Farm statefarm.com 37
AIG aig.com 26
Archer Daniels Midland adm.com 19
Kroger kroger.com 14
CVS cvs.com 12

The overwhelming majority of users did not register with their employee email addresses. The overall distribution of email address domains is shown in the pie chart below:

Here’s the script used to sift through the dump:

Written on September 3, 2015