Over the last seven years, hackers have attacked at least 10 cell networks in what security researchers are calling “massive-scale” espionage, TechCrunch reports. Researchers at Boston-based Cybereason first discovered the attacks in 2018. The hackers have obtained vast amounts of call records on at least 20 targeted individuals, including dates, times and locations of the calls. Researchers found the hackers broke into cell providers, one after the other, in an attempt to obtain and download rolling records on the target, avoiding having to deploy malware on the target’s individual devices. As the attacks are ongoing, researchers will not publicly identify the cell networks or targeted individuals.
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