Cloud Network Security: Regain Cost & Ops Control
Prosimo.io (acquired by Palo Alto Networks)
We simplify enterprise cloud with sophisticated multi-cloud networking.
March 15th, 2024
We've had four weeks of focus on Regaining Cost and Operational Control for Cloud Network Security. This articles brings it all together in a single resource.
The Three Phases of Cloud Adoption
The implementation of Cloud Network Security has evolved over the three phases of cloud adoption, and with each stage new and unique challenges are encountered.
The first phase of cloud adoption saw cloud as a resource extension to systems in private data centers. Application architecture scarcely differed from that of on-premises – the three-tier app architecture of database, middle-ware, and front-end still reigned – and with it the traditional castle-and-moat security model sufficed. At this stage, operating at scale was not of wide-spread concern and many deployed highly-available pairs of virtual security appliances in each VPC/VNET.
With its rapid expansion of platform and service offerings, the second phase of cloud adoption saw a sharp increase in production workloads running entirely in the cloud, with cloud now perceived as a peer to on-premises data centers. A peer in terms of focus and priority, but not necessarily in implementation patterns. Microservice architecture was gaining popularity but security architecture largely still focused on the platform ingress.
The third phase of cloud adoption positions the cloud as the center of gravity with many organizations adopting a cloud-first approach. Application diversity is widespread with architects leaning in on distributed platforms and services spanning both regions and providers. Communication paths are far from linear and the surface area in need of securing is agile – comparatively chaotic to previous phases.
You can read more about these three phases, and how they've shaped cloud network security, on our Adaptive Cloud Network Security page.
If you missed the Live Office Hours webinar that concluded the last four weeks of focus you can watch the on-demand recording here:
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Nathan Pearce
Director, Product Marketing
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