![]() ![]() In contrast to regular USB ports, USB-C ports have higher privileges and low-level access to a device. ![]() Theodore Markettos, Colin Rothwell, Brett F. The research paper from the University of Cambridge, Rice University and SRI International was presented on Tuesday at the Network and Distributed Systems Security Symposium in San Diego. ![]() "The combination of power, video and peripheral-device DMA over Thunderbolt 3 ports facilitates the creation of malicious charging stations or displays that function correctly but simultaneously take control of connected machines," the researchers write. Stealing data this way would require physical access to a device. The research also covered PCI Express, or PCIe, an older set of device connection and data transfer protocols. Although operating systems are supposed to only allow a peripheral to have direct memory access for the resources it needs, researchers found that this defense isn't implemented effectively to prevent data theft. The work focused on the Thunderbolt 3 data transfer standard over USB Type-C connectors. ![]()
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