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What is a software-defined perimeter?
A software defined perimeter (SDP) establishes virtual boundaries around Internet-connected assets and user activity through an integrated security architecture approach. SDP works regardless of whether assets reside on-premises or in the cloud, or whether users are on-site or working remote. Rather than relying on hardware like firewalls or VPNs at the network boundary, SDP leverages software to prevent any access to or even visibility into resources within the virtual perimeter by default.
This deny-all approach only grants access through robust, mutual authentication of authorized users and validated devices attempting connection. Internet-connected resources protected by the SDP architecture remain otherwise hidden to everyone (and everything) else.
Organizations have historically used firewalls not only at the boundary of the network but also to segment off a limited number of sensitive areas for higher levels of protection. But those…
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Posted by: Ericka Chickowski |
The post What is a software-defined perimeter and how does SDP work? appeared first on Cybersecurity Insiders.
January 05, 2021 at 09:11PM
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