From the sound vibrations that are generated by the speaker at the top of the cell phone, an advanced technique is able to spy on voice calls from smartphonesandroid, using an application that logs component information. With this technique, it is possible to identify the gender, identity and even what the person is talking about on the other side, just with these vibrations.
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Check now how the researchers were able to develop this technique and how it works:
EarSpy
This work, which was initially only for speakerphone messages, that is, coming from the vibrations of the bottom of the cell phone, it seemed impossible to be used by the top part of the cell phone, in which we listened to the Connections.
Thus, after achieving the expected result, the work was called EarSpy and despite still presenting some challenges, it was undoubtedly a great evolution.
Assertiveness of the new technique
As stated in the introduction, with this technique he was able to identify the gender of the person speaking and even what was being said on the call.
Statistically, the percentage of assertiveness regarding the gender identification rates of those on the other end of the line ranged between 77% and 98%.
Knowing who was speaking on the other side had an assertiveness of 63% to 91%. However, what was being said had a range of 51% to 56%.
Variables that affect the result
There are several factors that can contribute to the variation in results, especially finding out what is being said.
Lower volumes, cell phone positioning, line signal, and even the cell's internal components can make it difficult for information to be clear.
Anyway, this information already serves as a warning for people to pay more attention to what is said, as criminals are aware of these possibilities and may be trying to spy on your Connections.