It was a logical step, giving the televisions with their own operating system and intelligent capabilities, could therefore be victims of attacks. Now, according to Rafael Scheel, a researcher who works for the Swiss cyber security company Oneconsult, about 90% of Smart TVs are susceptible to attack using the DVB-T (Digital Video Broadcasting – Terrestrial) signal. Is what most current TVs use and the default signal in Europe and a good part of the Asian and African continent.

Although most of the information that these televisions handle, and which can be accessed through this attack, is very limited, it highlights a growing danger in devices that until now we had not worried about were vulnerable and attackable.

And so far, most attacks on smart TV were based on physical access to the device, in order to connect a USB that runs the malicious code, or base these attacks on social engineering, i.e. the attackers They had to trick the users into installing a malicious app on their TV.

Now the situation is totally different because the attacker can execute malicious code remotely, without user interaction, and execute the code in the background, which means that users will not notice anything strange when an attacker compromises their televisions.

The attack itself is somewhat complex, detailed in the security conference of Rafael Scheel and, for the moment, does not have a simple solution because, once infected, it is almost impossible to rid the TV of malicious code.


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