After a developer of Vietnam has been taken deliberately push their titles to the list of bestsellers, Apple has banned the application store.

To use a credit card to improve sales of its applications for comics, Thuat Nguyen had cut about 400 accounts in iTunes.

The trick has enhanced security, Apple said. He had forged shocks iTunes in the spotlight.

At one point, Mr. Nguyen also address applications of 50 pounds and 42 applications have been sold. Apple said in a statement that the sponsor and its applications have been released from the iTunes Store had violated the developer’s licensing program, including fraudulent purchasing habits.

It also suggested that people, who vexed that their credit card had been stolen, must speak to their financial institution and alter their account password.

“It was probably a bogus book and it was just a way to take money from one account and put it in another. If he had kept it out of the top 50 the scam may never have been detected. We are seeing a trend for hacker’s targeting accounts such as iTunes, online poker accounts. You can monetize this kind of account very quickly”, said Amichai Shulman, Chief Technology Officer of security firm, Imperva.

Amit Klein, CTO of trust, the company that provided security for online payments, estimates that Apple could do more to prevent such violations.