Whispers in the Wireless: Hiding Data in Wi-Fi Signals
![A Wi-Fi steganography system conceals data within the seemingly innocuous structure of wireless network traffic, offering a covert communication channel by exploiting the inherent redundancies and flexibility of the [latex]802.11[/latex] protocol.](https://arxiv.org/html/2604.20521v1/x1.png)
Researchers have developed a system to embed secret messages within the normally unused components of Wi-Fi transmissions, offering a new avenue for covert communication.
![A Wi-Fi steganography system conceals data within the seemingly innocuous structure of wireless network traffic, offering a covert communication channel by exploiting the inherent redundancies and flexibility of the [latex]802.11[/latex] protocol.](https://arxiv.org/html/2604.20521v1/x1.png)
Researchers have developed a system to embed secret messages within the normally unused components of Wi-Fi transmissions, offering a new avenue for covert communication.
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![A testbed spanning Galicia and the Basque Country demonstrates a hybrid quantum-classical key distribution network, utilizing physically secured [latex]QKD[/latex] links-propagating keys via [latex]ETSI\,020[/latex] with [latex]QKD[/latex] and post-quantum cryptography-alongside [latex]ETSI\,020[/latex] interfaces secured solely with post-quantum cryptography, while vendor key management systems distribute [latex]QKD[/latex] keys via [latex]ETSI\,014[/latex] calls to key management transfer station nodes.](https://arxiv.org/html/2604.20376v1/x1.png)
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