ZTNA vs VPN: Secure Remote Work and Access

After the connection is granted, ZTNA continuously assesses the risk by running user identity checks as well as monitoring the health of the device in line with configured security policies. For example, if a device used by an account is suddenly dumping memory files using PowerShell, the risk score will increase, and the connection will be severed. Similarly, if malware if detected and there’s a change in the device’s security posture, access will be terminated instantly.

Improved scalability
Since VPNs provide a user with access to everything, businesses needed a certain bandwidth to function without impacting workflows. Legacy VPN technology that connects traffic to an on-premises VPN firewall or concentrator aren’t equipped to scale or deliver the user experience needed in an increasingly agile business world.

With ZTNA, the specific application-to-user connection doesn’t require the bandwidth that VPNs do. It is designed for rapid scale while maintaining high-performance availability and consistent delivery needed for modern security solutions without negatively impacting user experience.

Tips for evaluating ZTNA technology

Swapping out VPN for ZTNA can seem overwhelming, especially considering the sheer number of apps, devices, and users that businesses must contend with. Here are three tips for evaluating ZTNA technology:

VPN replacement is a journey
We strongly advise against the rip-and-replace approach. Think of updating your remote access solution as a journey, like that of migrating apps from on-prem to the cloud. Start by migrating low-risk apps to the ZTNA solution to identify any issues and then ramping up (at rate

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