Ready-made software, service providers as well as in-house solutions are now providing business-grade security to a significant amount of business data.

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"CDO" is a common term for collateralized debt obligation, an investment-grade security backed by a pool of bonds, loans and other assets.

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New York lawmakers, for example, gave train and subway security a "D" grade, citing unprotected tunnels and rail yards and a lack of surveillance.

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It is one of several devices available with Sprint Professional Grade, a new designation for select smartphones that deliver enhanced security, device management and Exchange Active Sync capabilities to business users.

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