Six months after its announced deadline for when it planned to roll out its Payment Card Industry Data Security Standard (PCI DSS) compliance, StubHub’s Ticket Technology (TT) has yet to announce the designation.

PCI compliance is a worldwide security standard created by the credit card industry to protect information and data obtained during credit card purchases, particularly online. Merchants with the designation must pass annual assessments of their security systems, and can better assure customers that their credit card data is safe.

At the beginning of the year, TT’s Dave Ring, who is heading up the project for the company, emailed clients that company hoped to complete the PCI compliance by the end of the second quarter. While TT’s Web site has received an impressive redesign in recent months, it does not mention the company’s PCI compliance.

Achieving PCI compliance is no simple feat. According to former company spokesperson Sean Pate, StubHub is PCI compliant and Ticketmaster Entertainment’s EventInventory system, through its TicketsNow subsidiary, is also PCI compliant, as is TicketNews’s parent company TicketNetwork, which spent more than $2.25 million and over 18 months to reach the designation.

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When TT will become PCI compliant is unknown. In a statement to TicketNews, StubHub spokesperson Joellen Ferrer said that “unfortunately” the company was “unable to comment on Ticket Technology” and did not elaborate. Ring did not return a message seeking comment.

According to TicketNews’s exclusive industry rankings, StubHub is the nation’s second-largest overall ticket seller behind Ticketmaster, and it bought Ticket Technology for an undisclosed price just over a year ago.

TT has more than 150 clients, and the acquisition has been viewed as a shrewd move by StubHub because it allows the company to offer its large-scale ticket brokers a point-of-sale software system that would make it easier for those clients to manage tickets on the StubHub platform.