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Why Software-Defined Perimeters Outflank VPNs for Secure Remote Access

September 17, 2018 / Chris Preimesberger

Perimeter-based virtual private networks (VPNs) are deployed globally for employee and contractor access to corporate networks. Up until now, they were one of the better solutions for remote access. However, once authorized, VPN users have broad access to resources on the corporate network. This all-or-nothing approach to access leaves potentially sensitive resources and information exposed to VPN users and attackers. As a result, interest has been heating up around software-defined perimeter solutions (SDP) as a much more compelling alternative for secure remote access, and for good reason. SDPs ensure that users are authenticated and authorized based on preset policies prior to accessing specific applications, rather than whole networks.