I have been covering energy and cybersecurity long enough to know that most threats are invisible until someone goes looking for them, and the latest alarms over hidden electronics inside Chinese-made ...

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A team of researchers from University of Toronto Engineering has discovered hidden multi-dimensional side channels in existing quantum communication protocols. The new side channels arise in quantum ...

Ambient-temperature thermal infrared radiation is an underutilised resource for secure communications. Demonstrations of free-space data transfer using thermal radiation have been few, and have relied ...

The article presents an overlapping covert communication scheme based on the dynamic adjustment of the spread spectrum factor within a predefined range under a chaotic multi-tone framework, aiming to ...