As I previously posted, there is a growing threat that the person to whom you are video conferencing is really a deep fake. For projects, this threat arises in recruiting strangers remotely by video call, but also in other situations when the 'familiar face' is really fake. (But I know that person! How could the image I'm seeing be fake?)
Here is a report of new research by NSA and UC Berkley about a tool -- 'monitor illumination' -- that can 'fake the fakes' in a way that gives better assurance that the fake is detected.
Of course, now that this has been widely published, the counter-counter-measures are probably already on the drawing board, so to speak.
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