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Access "Is encryption enough?"

Published: 30 Oct 2012

Encrypting data at rest is a reliable security measure, but it's only one component of an effective storage security plan. Attend a storage conference these days, and you might think encryption solves all of your storage security woes. It seems as if one "expert" after another is singing the praises of storage encryption for both data in transit and data at rest. But don't believe them. Encryption is part of the SAN security solution, but it has its limitations. "Encryption is an interesting option, but mainly for tape," says Tim Arland, principal consultant at Forsythe, a Skokie, IL-based storage systems integrator. "Real-time encryption of everything at line speed is very rare," adds Arland, yet that's ultimately what you would need if you want encryption to solve all of your SAN security problems. And even then, it might not work. What happens if a host bus adapter (HBA) spoofs an authorized system? More than encryption will be needed. The storage security problem transcends storage alone, which makes it unlikely that storage professionals can solve it by... Access >>>

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