Legacy VPNs give remote users broad access to private networks without restricting which resources they can reach. This lack of granular control introduces major security gaps because critical protections like CASB, malware defense, and data loss prevention are not applied to user activity. With no inspection of traffic, security teams lose visibility and cannot detect unauthorized access or data exfiltration. The problem is worsened by reliance on multiple point products for VPN, proxies, and VDI, adding complexity while still failing to deliver an acceptable security posture.

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