Computers containing sensitive information are often air-gapped to prevent data breaches. But air-gapping also cannot guarantee security. Attackers can use air-gap malware to steal sensitive data from air-gapped computers or networks. What is an air gap malware? How does it work, and how can it steal sensitive data from an air-gapped computer or network? Let’s discuss that in detail.
In this article, we will discuss the following:
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What is air gap malware?
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What is air gapping?
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How does air-gap malware work?
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Stages of infection
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Acoustic data exfiltration by air gap malware
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Data exfiltration from air-gapped networks using router LEDs
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Data exfiltration by air gap malware using Infrared and Security Cameras
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Data exfiltration by air gap malware via CPU-generated magnetic fields
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Exchange of data between two air-gapped computers via ultrasonic waves
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Data exfiltration by air gap malware using power lines
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Data exfiltration over GSM, UMTS, and LTE frequencies by air gap malware
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How to prevent air gap malware?
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