Cloud Service Models: What is PaaS (Platform as a Service)?

Cloud computing has become a widely adopted model for IT infrastructure environments. It includes three basic service models: Infrastructure-as-a-Service (IaaS), Platform-as-a-Service (PaaS) and Software-as-a-Service (SaaS). IaaS was described in a previous post. This blog focuses on PaaS, and a future post will highlight SaaS. IDC has indicated the cloud services market has entered an “innovation […]
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Cloud Service Models: What is IaaS?

Cloud computing has become a widely adopted model for IT infrastructure environments. It is defined by the National Institute of Standards and Technology (NIST) as follows: “Cloud computing is a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can […]
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How Has The Past Year Of NSA Surveillance Revelations Changed The Cloud Market?

The whole point of Learning Tree’s Cloud Security Essentials course is to discuss the questions you must ask a potential cloud provider to see if you could move some of your operation into the public cloud. Moving to the cloud means losing some control and visibility. You lose physical control with IaaS, much more control […]
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Federate Your Identities Carefully

Just what is Identify Federation? I always describe it as being like a driver’s license in the U.S. There is no national driver’s license, every state (plus the District of Columbia for the nation’s capital, plus Caribbean and Pacific territories) issues its own. They are, however, recognized from one state to another. I could use […]
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What Happens When “Shadow IT” Goes Missing?

Last week I told about how a vulnerable cloud server was deployed, ignored, and then owned by an attacker, with Amazon catching this and the entire cycle complete in just over two weeks. It had an obvious cause: skipping part of the process in which unneeded cloud resources are shut down. But I said that […]
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