ZeroDNS: Towards Better Zero Trust Security using DNS
Levente Csikor, Sriram Ramachandran, Anantharaman Lakshminarayanan · 2022
Due to the increasing adoption of public cloud services, virtualization, IoT, and emerging 5G technologies, enterprise network services and users, e.g., remote workforce, can be at any physical location. This results in that network perimeter cannot be defined precisely anymore, making adequate access control with traditional perimeter-based network security models (e.g., firewall, DMZ) challenging. The Zero Trust (ZT) network access framework breaks with this traditional approach by removing the implicit trust in the network. ZT demands strong authentication, authorization, and encryption techniques irrespective of the physical location of the devices. While several prominent companies have embraced ZT (e.g., Google, Microsoft, Cloudflare), its adoption has several obstacles.