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Maybe I should apply for research funding for jumping airgaps. I can come up with this stuff all day. "FeelTheLED: thermal side channel from screens with dynamic LED backlights by modulating image brightness" "EtheRF: robust RF side channel from 100BASE-TX via scrambler abuse"
"PWMned: modulating data over CCFL display backlight EMI by using DDC-CI to change the backlight brightness setting" "TOSLEAKED: uncovered TOSLINK ports considered evil - receiving TOSLINK signals over tens of meters of air"https://twitter.com/marcan42/status/1010453980906844161 …
"InTheMatriX: hacking the EC to turn your laptop keyboard into a longwave broadcast antenna via scan rate modulation" "DeadMouse: upturned laser optical mice illuminators can generate signals receivable over long distances with a telescope equipped with a narrowband filter"
"HDCPlz: webapps can toggle HDCP on and off via DRM plug-ins to change the EMI signature of HDMI" "HamDrive: modifying HDD firmware to transmit radio via the head write data line" "RicHDter: covert channel between adjacent servers by creating and sensing vibration using HDDs"
you joke but a few of these have been actually written about
I was *trying* to avoid all the really obvious ones (keyboard LEDs, PSU capacitors, CPU power/clocks, etc), because last time I tried to joke about this I accidentally came up with half of that Israeli team's research output, but I'm sure I still overlapped with some.
Simulated crash causes user to get coffee while computer reboots. Bandwidth of ~10bits a day.
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