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Short Description: If you would have thought Onion Routing involved wooden crates and flatbed trucks or maybe a sandwich order, you might be surprised to hear its actually an online security technology. Think of an onions layers: in Onion Routing, layers of encryption make it impossible to trace messages back to their point of origin. Once a secret project of the U.S. Naval Research Lab, its now the concern of the Tor Project, an open-source community devoted to developing Tor, the software implementation of second-generation Onion Routing technology, and to maintaining the Tor network.
Details: Tor protects you against a common form of Internet surveillance known as traffic analysis. Traffic analysis can be used to infer who is talking to whom over a public network. Knowing the source and destination of your Internet traffic allows others to track your behavior and interests. This can impact your checkbook if, for example, an e-commerce site uses price discrimination based on your country or institution of origin. It can even threaten your job and physical safety by revealing who and where you are. For example, if youre traveling abroad and you connect to your employers computers to check or send mail, you can inadvertently reveal your national origin and professional affiliation to anyone observing the network, even if the connection is encrypted.
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