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How Air-Fi Works?
Attacker implants a specially designed malware on the air-gapped system.
The malware manipulates the electrical current inside the RAM on the air-gapped computer to generate electromagnetic radiation at a 2.4 GHz frequency.
The attacker infects the nearby Wi-Fi enabled device to intercept the generated signals and exfiltrate the air-gapped system’s data.
How to prevent Air-Fi attacks?
Avoid placing Wi-Fi enabled devices near the isolated or air-gapped systems.
Always monitor air-gapped systems for suspicious activities.
Restrict external devices, including push-button phones, in the enterprise.
Use signal jamming techniques to prevent the transmission of Wi-Fi signals around the air-gapped system.