The transition from traditional on-premises datacenters and environments to dynamic, cloud infrastructure is complex and introduces new challenges for enterprise security. There are more systems to manage, more endpoints to monitor, more networks to connect, and more people that need access. The potential for a breach increases significantly, and it is only a matter of time without the right security posture.
Securing traditional datacenters required managing and securing an IPbased perimeter with networks and firewalls, HSMs (Hardware security module), SIEM (Security information and event management), and other physical access restrictions. But those same solutions are no longer sufficient as companies move to cloud. Securing infrastructure in the cloud requires a different approach.
Securing infrastructure in the cloud requires a different approach. As companies move to the cloud, the measures they took to secure their private datacenters start to disappear. IP-based
and access are replaced by ephemeral IP addresses and a constantly changing workforce with the need to access shared resources.
Managing access and IPs at scale becomes brittle and complex. Securing infrastructure, data, and access becomes increasingly difficult across clouds and on-premises datacenters, requiring lots of overhead and expertise. This shift requires a different approach to security, a different trust model. One that trusts nothing and authenticates and authorizes everything.
Because of the highly dynamic environment, organizations talk about a “zero trust” approach to cloud security.
Zero Trust is an IT security model that eliminates the notion of trust to protect networks, applications and data. This is in contrast to the traditional perimeter security model, which presumes that bad actors are always on the untrusted side of the network, and trustworthy users are always on the trusted side. With Zero Trust, these assumptions are nullified and all users are presumed to be untrustworthy.
Why Companies Need Zero Trust in a Cloud Environment
Implementing Zero Trust in an enterprise network is predicated on the organization itself controlling the network. It establishes where boundaries can be placed and enforces access controls to shield sensitive applications, such as those within on-premises data centers, from unauthorized access and lateral movement.
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