WIRELESS TELEPHONY: The GSM is still the safest way to communicate, although it must be remembered that the operator (TIM, Omnitel, Wind, blue, three) may at any time to listen and record what we say and know where we are with an accuracy of a few tens of meters, wherever we are. However, these activities are carried out only after a formal request for official investigative body. However, even third parties can intercept a GSM, but with star systems that cost tens of millions and are very complex to use. (Insights on this site). These types of valves are rare even for high-level investigative agencies, although practiced. Do not communicate the details of your SIM card number, no cellular phone operator has ever asked, they never ask these data do not lend your mobile phone. Always use a code for your SIM card, making sure to turn off the power if unattended. If possible, use a code so-called "hardware" that which stops the entire device, not just the SIM card. Periodically deleted from the memory of the last phone calls received or made. Often they do not know (or you forget) that keeps track of every phone number called or calling party, duration and time of all the latest conversations. This occurs in a small memory partition, and then these data are easily viewable in a few seconds. No need to power cycle the phone, as someone recommended on the Internet (amazing that there are such "experts" giving advice) Memories SIM and hardware type are not volatile (trouble if they did). Do not give credit to alleged technical We will call "the central" asking you to enter a code, or read a number. Has personally purchased and installed the replacement battery vs. the. phone (some bugs are hidden easily in the batteries of mobile phones) to avoid leaving the equipment unattended. Discreetly marked the battery cell with a small conventional sign, and verify periodically that it is always the same. DO NOT USE THE OLD KIND OF MOBILE PHONES (ETACS) or household cordless phones (even if qualified) to discuss confidential matters. These devices are intercepted as a joke. Inside the GSM always talking outside the home and outside your car, while walking down the street or in such a public place that does not usually frequent. Who is the victim (or believes to be) discrete control, the more privacy you get from just outside its walls, outside the workplace and from their cars, in different places and always crowded with the various telephone and computer technologies to personal use strictly off and set aside.
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