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How secure are online account services?
Barclaycard online account services are very secure.
When you connect to your account online, your session is encrypted. Data you submit is encoded by your browser using a unique secret key (a session key), which your browser and the secure server negotiate at the beginning of your session. When your encrypted data is sent over the Internet, any third party monitoring traffic will effectively be unable to read it but the Barclaycard secure server will be able to decrypt it and handle your request normally. Such encryption also occurs when we display screens back to you. We use Secure Sockets Layer (SSL) protocol for managing your encrypted session and 128 bit encryption which is why the latest versions of Web browsers are needed to register and use this service.
For more information on SSL and encryption, many resources are available on the Internet, or via your browser's help section.
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