What is it about?
In this paper we prove how to use inkjet printers to exfiltrate information out of a monitored network. You can include certain invisible patterns into the documents people print so that while the printer is in use, the produced noise encodes secret information (unrelated to the document being printed) from the computer to which it is connected.
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Why is it important?
This paper shows that inkjet printers are not entirely benign devices as they may be used as part of an attack vector to exfiltrate sensitive information from any computer connected to them.
Perspectives
Doing this project was very entertaining and challenging as it consisted in transforming an inkjet printer into a communication device without any noticeable effect on the documents being printed. I hope it is of your interest.
Julian de Gortari Briseno
University of California Los Angeles
Read the Original
This page is a summary of: InkFiltration: Using Inkjet Printers for Acoustic Data Exfiltration from Air-Gapped Networks, ACM Transactions on Privacy and Security, May 2022, ACM (Association for Computing Machinery),
DOI: 10.1145/3510583.
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