Facebook Would Be Offering Encryption Services For User IDs

In response to the reports saying sharing of face book UIDs with ad networks and data brokers, Facebook have been investigating a technical solution to this issue. They have planned to start encrypting the parameters that they pass to iframe-based applications which will prevent the accidental disclosure of this UIDs information via HTTP headers.

When we load any image or other resources on any webpage, it sometimes send an HTTP header that identifies the URL of the webpage. But for iframe-based canvas applications on Facebook the URL of the iframe may contain UID of the user. To overcome inadvertently sharing this information via the HTTP Referrer header, Facebook would be offering encryption services for user IDs in the near future.

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