In order to work out which aspects of your communications most need to be protected, it may help to ask yourself a few questions: What is the content of your calls and text messages? With whom do you communicate, and when? Where are you calling from? Information is vulnerable in many ways:• Information is vulnerable when sent from a mobile phone Example: Each mobile phone provider has full access to all text and voice messages sent via its network. Phone providers in most countries are legally obliged to keep records of all communications. In some countries the phone providers are under the monopoly control of government. Voice and text communication can also be tapped by third parties in proximity to the mobile phone, using inexpensive equipment.• Information is vulnerable within the sender's and the recipient's phones Example: Mobile phones can store all sorts of data: call history, text messages sent and received, address book information, photos, video clips, text files. These data may reveal your network of contacts, and personal information about you and your colleagues. Securing this information is difficult, even – on some phones – impossible. Modern mobile phones are pocket-sized computers. With more features comes higher risk. In addition, phones that connect to the internet are also subject to the insecurities of computers and of the internet.• Phones give out information about their location Example: As part of normal operation, every mobile phone automatically and regularly informs the phone service provider where it is at that moment. What's more, many phones nowadays have [GPS]](/en/glossary#GPS) functions, and this precise location information may be embedded in other data such as photos, SMS and internet requests that are sent from the phone.The evolution of technology brings more features, but also more risks.
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