Patent 10896254 was granted and assigned to Sophos on January, 2021 by the United States Patent and Trademark Office.
Attachments or other documents can be transmitted to a sandbox environment where they can be concurrently opened for remote preview from an endpoint and scanned for possible malware. A gateway or other intermediate network element may enforce this process by replacing attachments, for example, in incoming electronic mail communications, with links to a document preview hosted in the sandbox environment.