The app enabled the user to do voice calls and send text messages at zero cost. In a scam of a typical nature, the hacker fakes to be the account owner who prompts the friends of the owner to purchase the prepaid cards on his behalf. The Tokyo and Osaka police have warned the app users not to share their passwords and usernames.
Osaka police claimed that there are losses of around 6, 54, 000 ¥/$ 6,500. There was a loss of ¥ 2,20,000 in July last year in Shiga Prefecture case. The company warned its users to use a combination of letters, numbers and symbols in a random fashion and not to use the same IDs or passwords for various web programs. The company’s spokeswoman reported that the user’s information hasn’t been leaked out from the company’s servers and the users can place their requests to delete their accounts through the contact form online.