Lumension Security has received a US patent for its data-shadowing technology, which enables organisations to monitor all the information transferred to or from removable media while capturing a full copy.
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The technology provides a comprehensive audit trail to help firms cope with data compliance demands, the firm said.
"Virtually all organisations track data being sent via e-mail, but very few monitor what is written to or read from removable storage media," said Mike Wittig, president and CTO of Lumension Security.
"Our Sanctuary Device Control system combines white-listing and granular policy enforcement with this critical data shadowing functionality to provide our customers with a powerful tool for preventing data leakage," he said.
Sanctuary Device Control's data in-out shadowing capability monitors, controls and audits the information that users may copy to or from removable media to their PCs and laptops.
Administrators are able to capture the complete binary code of the data transferred and save it on a centralised server. This can be assimilated to an entire mirror copy of the data and used for auditing purposes.