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To hide that you connect to Tor, you can use a Tor bridge. The sites that you visit can know that you are using Tor, because the list of exit nodes of the Tor network is public. Parental controls, Internet service providers, and countries with heavy censorship can identify and block connections to the Tor network that don't use Tor bridges.
Tor hides your location from destination servers, but it does not encrypt all your communication. The last relay of a Tor circuit, called the exit node , establishes the actual connection to the destination server.
This last step can be unencrypted. Observe your traffic. Pretend to be the destination server, a technique known as machine-in-the-middle attack MitM. That is why you should pay even more attention to the security warnings in Tor Browser. If you get such a warning, use the New Identity feature of Tor Browser to change exit node. To learn more about what information is available to someone observing the different parts of a Tor circuit, see the interactive graphics at Tor FAQ: Can exit nodes eavesdrop on communications?
Tor exit nodes have been used in the past to collect sensitive information from unencrypted connections. Malicious exit nodes are regularly identified and removed from the Tor network. For an example, see Ars Technica: Security expert used Tor to collect government e-mail passwords. A powerful adversary, who could analyze the timing and shape of the traffic entering and exiting the Tor network, might be able to deanonymize Tor users.
These attacks are called end-to-end correlation attacks, because the attacker has to observe both ends of a Tor circuit at the same time. End-to-end correlation attacks have been studied in research papers, but we don't know of any actual use to deanonymize Tor users. Tails protects you from viruses and malware on your usual operating system. This is because Tails runs independently from other operating systems. But your Tails might be corrupted if you install from a compromised operating system.
To reduce that risk:. Always install Tails from a trusted operating system. For example, download Tails on a computer without viruses or clone Tails from a trusted friend. Do not use your Tails USB stick to transfer files to or from another operating system.
If you worry that your Tails might be corrupted, do a manual upgrade from a trusted operating system. We don't know of any virus able to infect a Tails installation, but one could be created in the future.
Your computer might be compromised if its physical components have been altered. For example, if a keylogger has been physically installed on your computer, your passwords, personal information, and other data typed on your keyboard could be stored and accessed by someone else, even if you are using Tails. Try to keep your computer in a safe location. Use a password manager to paste saved passwords. If changing the boot menu or order doesn't work, and your PC immediately boots into the OS you want to replace, it is possible the PC had not fully shut down.
To ensure the PC fully shuts down, select the power button on the sign-in screen or on the Start menu and select Shut down. ISO file to install Windows This download is a multi-edition ISO which uses your product key to unlock the correct edition.
Select an edition from the drop down menu. Select Download Windows Before you begin Make sure you have: An internet connection internet service provider fees may apply. Once the download completes you can use the Verify your download option to ensure the integrity of the file.
Under the "General tab", click "Change Select Apply. This will enable the Burn disc image to display when you right-click on the ISO file. This will perform an upgrade of your current operating system to Windows Please see the Volume Licensing Service Center for more information.
Microsoft Office products. If you just purchased a new device that includes Office , we recommend redeeming installing Office before upgrading to Windows For more information, check How to upgrade to Windows 10 on new devices that include Office Select an edition from the drop down menu. Select edition Windows Confirm Privacy.
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