Going Cloud Security all the way!
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"Executive summary
As applications continue to migrate to the cloud, changing traffic
patterns drive the need for a new Wide Area Network (WAN)
approach and security model. When all applications resided in
enterprise data centers, life was simpler for IT; all traffic from the
branch was backhauled to the data center over MPLS circuits, with
the entire stack of security services enforced at data center egress
points, requiring only fundamental security services at the branch.
Now, applications reside everywhere and may be hosted in the data
center, in public and private clouds, or delivered by myriad Software-as-a-Service (SaaS) providers. To further complicate the security
model and the IT challenge, users now access applications from
anywhere, from any device and across diverse WAN transports,
including the internet. This increases the attack surface, significantly
increasing the need for more advanced security services to protect
the branch from threats.
While enterprises could deploy next-generation firewalls at every
branch, that model is untenable. The hardware is too expensive, and
managing dedicated security appliances at hundreds or thousands
of branch locations requires far too many IT resources. In addition,
branch locations need advanced security controls, like sandboxing,
intrusion prevention (IPS) and Data Loss Prevention, as well as SSL
inspection, to protect against advanced threats.
To address the security and cost challenges, centrally orchestrated
cloud-hosted security services, such as those available from
Zscaler™, have emerged and are experiencing hyper-growth.
The Zscaler Cloud Security Platform combined with the application-aware, business-driven Silver Peak® Unity EdgeConnect™ SD-WAN
edge platform provides a powerful solution that secures the
enterprise from threats delivers the highest application performance
and user experience and keeps costs in check."