An online quiz to help consumers spot digital malvertising that can result in unexpected mobile charges has been launched by UK regulator, PhonepayPlus.
Two firms have been fined a total of £450,000 (approximately US $720,000) for running a series of scams on Facebook.
The scams, which claimed to offer free vouchers and supermarket gift cards for the likes of Tesco and Asda,resulted in members of the public signing-up for expensive premium-rate phone services.
A Moscow-based firm has been ordered to refund victims who lost money as a result of Android malware.
A firm has been fined £50,000 after Trojan versions of popular Android apps secretly sent expensive SMS messages to premium rate numbers.