Storage encryption is becoming more important in a world where laptop use is growing and laptop theft is a pressing concern. The Trusted Computing Group has published three standards for storage encryption—one for PC hard drives, another for enterprise drives and the third for interoperability with other standards such as SCSI and ATA. Thanks to these hardware-based encryption standards, software encryption is going to lose ground. The latter is more complicated and needs to be deployed unlike hardware-based encryption, which comes built-in on drives that support it. Expect business laptops to offer this feature for a premium in the near term. IT departments will have to figure out how to manage these systems. Enterprise storage will also be affected though this may take longer.
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