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 ...

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 ...

Covert channels are clandestine communication paths that exploit legitimate network protocols or system functionalities to transfer information in violation of established security policies. They are ...

[Ryan Flowers] writes in with a clever little hack that can allow you to hide data where nobody is going to go looking for it. By exploiting the fact that a web server will generally log all HTTP ...

A new attack dubbed 'SmartAttack' uses smartwatches as a covert ultrasonic signal receiver to exfiltrate data from physically isolated (air-gapped) systems. Researchers at the School of Cyber Security ...

Researchers have found a new covert data exchange technique that abuses the TLS protocol that can circumvent traditional network perimeter protections. Researchers have released a proof-of-concept ...

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 ...

A new technical paper titled “Clock-to-Clock Modulation Covert Channel” was published by researchers at University of Rennes-INSA Rennes-IETR-UMR and University of South Brittany/Lab-STICC- UMR CNRS. ...

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.

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 ...