Forrester forecasts that the public cloud services market will reach $236 billion by 2020 — or 30% annual growth over the next three years (see estimated spending by segment below). This rapid shift to the cloud raises new challenges and risks in the cloud security market, with more than 50% of security leaders expressing concerns over software-as-a-service (SaaS}, infrastructure-as-a-service (IaaS), platform-as-a-service (PaaS), and virtualization in the data center, according to Forrester data.
In Forrester’s newly published cloud security forecast, Jennifer Adams and Andras Cser provide a five-year view of growth in the global security solutions market, predicting that it will grow from $1 billion in 2016 to $3.5 billion in 2021. They also examine major security concerns, such as ineffective traditional perimeter-based security models, the complexity of monitoring data across coexisting cloud options, and a lack of cross-platform security support.
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