‘SIM Farms’ Are a Spam Plague. A Giant One in New York Threatened US Infrastructure, Feds Say

The phenomenon of SIM farms, even at the scale found in this instance around New York, is far from new. Cybercriminals have long used the massive collections of centrally operated SIM cards for everything from spam to swatting to fake account creation and fraudulent engagement with social media or advertising campaigns. The SIM cards are typically housed in so-called SIM boxes that can control more than a hundred cards at a time, which are in turn connected to servers that can then control thousands of…