Lamphone : Real-Time Passive Sound Recovery from Light Bulb Vibrations

[upnorth]

Content source

https://www.nassiben.com/lamphone

"Lamphone," a novel side-channel attack for eavesdropping sound; this attack is performed by using a remote electro-optical sensor to analyze a hanging light bulb's frequency response to sound.We show how fluctuations in the air pressure on the surface of the hanging bulb (in response to sound), which cause the bulb to vibrate very slightly (a millidegree vibration), can be exploited by eavesdroppers to recover speech and singing, passively, externally, and in real time.

Lamphone

Recent studies have suggested various side-channel attacks for eavesdropping sound by analyzing the side effects of sound waves on nearby objects (e.g., a bag of chips and window) and devices (e.g., motion sensors). These methods pose a great threat to privacy, however they are limited in one of the

www.nassiben.com

 

[Dave Russo]

This is is nuts,The walls have ears, a little birdie told me,now my light bulb is ratting me out ,I really do not have much to hide but privacy is the new asbestos[construction term for money maker} Thanks upnorth for another interesting article

 

[brigantes]

This is nothing new at all. Over 30 years ago the same thing was accomplished by shooting a laser at any window within a room in which people were talking. You could hear everything, even whispers. Nation-states been using this tech for decades.

 

[show-Zi]

Let's decipher the alien message from the blink of the stars

 

[Vitali Ortzi]

This is really interesting .

Let's decipher the alien message from the blink of the stars

With a good team of Israelis and Chinese people it might be possible

 

[HarborFront]

Luckily I'm not using light bulbs at home.