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Can text messages be intercepted?

ottobre 24, 2010 Technology No Commenti

Those who fear that their conversations could be intercepted, especially if they use the phone to discuss sensitive topics, confidential subjects or matters of a certain financial relevance, sometimes think that, to avoid being tapped, they can use SMS to communicate securely.

Unfortunately for them, though, this is not true, and actually, an SMS would leave an indelible track, which could easily be used against us at any time and in any situation. In fact, thanks to modern systems mobile phone wiretapping, not only one can listen to calls from any phone within a radius of several hundred meters, but also read all SMS traffic in the same area.

These systems are able to read the encoding used by cell phone networks to encrypt conversations; therefore, to protect oneself from covert listening, the best way is certainly to encrypt our conversations, using a code that is not the one used to encrypt the signal sent through the network, and thus add an extra layer of protection to our telephone conversations.

The principle used to make encrypted phone calls is the same that we see every day on our computers, if we use a system such as PGP to protect our e-mail.

In fact, on the cell phone is installed a simple encryption software, which combined with the relevant encryption key, converts the audio track into an unintelligible noise. If our counterpart’s phone has the same software and the same encryption key, it can decode this noise, and our conversation will go on regularly and without prying ears.

Any attempt to intercept, would only be able to hear only the noise of the encoded phone call, but would not be able to decipher it. In this way, our phones are safe from being tapped, and we will not have to worry that sensitive information could end up in the wrong hands, with the potential risk to create serious damage to our work or our family.

Anyone wishing to learn more about various ways to ensure privacy protection, by telephone, at home or in the office, may visit the Endoacustica website and consult our experts, at your disposal to find the solution that best suits your safety needs.

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