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With today’s acquisition of a data security firm, Hewlett-Packard is marking a push toward cloud-based security products.

HP announced a deal with data-encryption firm Voltage Security, the details of which it did not disclose. However, HP says Voltage will join the ranks of its Atalla Solutions division. Atalla Solutions is a data-encryption and security suite for enterprises that protects information across mobile and web devices as well as data centers. Not only does this acquisition reaffirm HP’s interest in cloud security, it also shows a move away from physical security solutions — traditionally the company’s bread and butter.

Many small security players with an emphasis on cloud-based technology have emerged in the last several years, stealing market share away from behemoth security companies like HP. To combat them, HP has acquired a smattering of security startups with Voltage being the latest.

Voltage last made headlines when it raised a $12 million Series A in 2007. The company’s technology focuses on tokenization to keep data safe as it travels from device to server to device and so on.

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