Leaving Your Mark: Thermal Signatures of Passwords Left on Keyboards
aug 15, 2018
We leave evidence of where we’ve been and what we’ve done all over the place. From footprints to DNA, we seldom act without a trace. Our keyboards are no exception. I’m not talking just about fingerprints, DNA, food particles, or skin oils. I’m talking about heat. I saw a movie or maybe a television show […]
Is Heat-based Data Communication a New Cyber Security Threat?
apr 21, 2015
I am fascinated by techniques to indirectly capture data from computers. In college we had software to play sounds on a radio placed near a processor or printer. The signals from the device generated radio-frequency data one could hear on a radio. Clever programmers even made music from those sounds. Some people still do this […]