Email Security's Image Problem

IT pros may be cranking up their email surveillance strategies, but a host of new threats could pose fresh worries. JPEGs, audio files, and camera phones remain Achilles heels for firms afraid of losing sensitive data.

There is no effective way at the moment to analyze a picture or an audio file. Even if the appropriate technologies were readily available, though, Hahn says they may not be practical to use. Merrimac, he explains, would need a full-time member of staff to examine all the image-based attachments his firm sends out and check for false positives.

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