Apple's M1 chip has a vulnerability that can't be fixed without a silicon revision, according to developer Hector Martin. The flaw allows for covert channels that enable two malicious apps to talk to ...

A transfer of information that violates a computer's built-in security systems. A covert storage channel refers to depositing information in a memory or storage location that can be accessed by ...

use Time-to-Digital Converter sensors to observe these power variations. The sensor circuits are programmed into the FPGA fabric using only standard logic components. Our covert channel achieves a ...

Researchers at the School of Cyber Security at Korea University, Seoul, have presented a new covert channel attack named CASPER can leak data from air-gapped computers to a nearby smartphone at a rate ...

“To operate efficiently across a wide range of workloads with varying power requirements, a modern processor applies different current management mechanisms, which briefly throttle instruction ...

The peer-to-peer network used by AirTags, Apple's just-released tracking and location devices, could be used by anyone to send small amounts of data, essentially creating a covert channel not limited ...

Researchers bypass Android security mechanisms and exploit smartphone cellular voice channel to act as a new covert channel which can potentially be used to leak information and to spread malware.