There has been a large increase in the number of cases in which Android smartphone users are asked to pay large bills after installing a virus-infected application that steals their personal information such as phone numbers.
The number of confirmed new viruses targeting smartphones with Google Inc.'s Android operating system increased 150-fold from a year ago. Propelling the surge in the number of new viruses are malicious businesses, which use the personal information of smartphone users for billing fraud or resell the information to others.
(Yomiuri)
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