Introduction to Zero Trust Networks
Zero trust (ZT) is a "never-trust-always-verify" framework used by IT organizations to increase defenses against external attack to steal sensitive data, private information and resources. IT and enterprise architects use zero trust architecture (ZTA) based on zero trust principles to design and implement robust and resilient infrastructure. When zero trust is applied to protect data-in-transit by securing a network and communication, it is called a zero trust network (ZTN).
The idea of zero trust in networks has become famous among enterprises after 2020 because of the following drivers: