The device tracking add-on for the minFraud service identifies devices as they move across networks and enhances the ability of the minFraud service to detect fraud. If a fraudster changes proxies while they are browsing your website or between visits to your website, you will observe an increased proxyScore and riskScore in the minFraud output associated with their transactions.
Replace USER_ID with your MaxMind user ID.
maxmind_user_id = "USER_ID";
mt.src = ('https:' == document.location.protocol ? 'https://' : 'http://') + 'device.maxmind.com/js/device.js';
var s = document.getElementsByTagName('script'); s.parentNode.insertBefore(mt, s);