Security-as-a-service gaining popularity

Costs are an advantage, but so is flexibility.

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Security delivered as a cloud service has several benefits, including costs and flexibility, but there are some cautions, too, adopters say.

Organizations that are looking for security features including identity management, encryption and access control -- and at the same time want to take advantage of the cost and flexibility benefits of the cloud -- might check into security-as-a-service offerings available now from several vendors.

In this scenario, security is delivered as a service from the cloud, without requiring on-premises hardware. "The largest benefit to using security as a service is the ability to avoid sometimes substantial capital outlays," says Lawrence Pingree, a research director at Gartner Inc. who covers the security market.

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