iPhones users—particularly those in larger US cities—may want to start keeping an eye out for odd iMessages. According to security firm Cloudmark, there has been a dramatic uptick in recent months of spam directed at Apple's iOS messaging system.
Cloudmark says that the new spam campaign, which appears to be peddling counterfeit goods, accounted for 34% of US-based SMS spam during the past two months. Activity seemed to be particularly high in New York City, L.A., San Diego and Miami...