Many people are used to enjoying free WiFi access in shopping centers, restaurants, gyms, hotels and other public places. The WiFi service in public places seems "harmless", but the hidden risks threaten the information security of a large number of users.Public free wifi is a security threat. To protect our information security, we should use a wifi jammer.To protect our wifi security, we can also use a wifi jammer.

Commercial operation, when several free WiFi market is considered to be a very promising "entry level" in the market, many Internet, operators enterprise successively into the bureau, but today, most loss-leader. Therefore, profits of anxiety and impulse, market competition is brutal, high operating costs, prompting some businessman dare touch and regulatory bottom line, move up from users to earn money, the idea of "the wool is on sheep's body, steal users personal information and resale behavior such as fans, became a public WiFi operating enterprise's survival.

At the same time, many users are eager to "free the web" because of their trust in public WiFi, and inevitably enter a variety of personal information. Little imagine such a "net", seems a little bit of "cheap", but "ceng" may put personal information to the degree of "all over the street", "transparent" became a veritable network, both for enterprise to provide the capital "cash", a threat to their own information security, planted a lot of "time bomb". And some public WiFi operations means of profit, did not stay in the "small", holding a large user data, can grasp accurately operating company when and where the user is to use public WiFi, according to the classification, and give the user the corresponding label, so that the processed data, have a higher commercial value, nature also have a higher risk of threat.High power jammer have been installed in public places such as schools, theatres and other places to avoid criminal activities by criminals.

This is not scaremongering. According to the research report, the main reason for the fraud is the leakage of Internet information to criminals, and the security hidden dangers of public WiFi are "contributed". But it is worth noting, and through the implant virus illegal to steal passwords and personal information in a different way, public WiFi seemed to earn money by means of "serious", it also bring certain difficulty regulation. Due to the business model is clear, even though some money from less than for humane "outside", but it is still a regulatory limbo, now there are more and more enterprises to join this gray industry chain, also makes more netizens facing network "transparent".

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