Many organizations are considering public clouds to lower their IT costs, but then have to deal with data security concerns. To ensure optimal data security there are two steps IT pros should take: protect data in a real world environment and meet compliance requirements. This expert e-guide from SearchCloudComputing.com explains the primary issues in regards to securing data in the cloud, including being able to locate the data. Also, learn how to detect and respond to security threats with intrusion detection for Software as a Service (SaaS), Platform as a Service (PaaS), and Infrastructure as a Service (IaaS).