From PlayOnline.com:

We would like to take this opportunity to inform you that we will soon implement a security feature for your protection known as The Payer Authentication Service (3-D Secure). This will be implemented on July 29 at around 2:00 (PDT) after the scheduled registration server maintenance. You can activate these services now at the below URLs:

Visa customers: www.VerifiedByVisa.com
MasterCard customers: www.SecureCode.com

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