Through segmentation gateways, authentication is defined not just by user identity but also by parameters such as device, location, time stamp, recent activity, and description of the request. Microperimeters surround specific assets, such as data, applications, and services.With zero trust, networks are built around "microperimeters," each with its own authentication requirements. The zero-trust philosophy is "never trust, always verify." Traditionally, network perimeters were secured by verifying user identity only the first time a user or device entered an environment. With zero-trust networking, security is seamless and more well integrated throughout networks. Over time, this can create security gaps for attackers to compromise. Historically, organizations have layered security solutions to block attackers. In fact, simply securing a perimeter is an outdated approach to a complex challenge that varies widely from company to company. Users are working from many locations as well, making it more difficult to define a defensible perimeter. Network infrastructure has become more complex and dispersed, with data, applications, and assets spread across many cloud and hybrid environments.
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