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Experiencing VPN vulnerabilities? Time to shift to Zero-Trust Network Access

Traditional VPNs are no longer enough to meet the security and performance needs of today’s remote workforce. Zero-Trust Network Access (ZTNA) offers a smarter, more secure alternative—enabling context-aware access while protecting critical assets. With Tata Communications’ globally distributed SASE points of presence and expert-managed services, transitioning to ZTNA is seamless. Empower your teams to work securely and productively, wherever they are, without compromising on control or user experience.

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ZTNA vs VPN : Feature comparison

ZTNA
Security model
Zero trust, identity-based
Access control
Application-specific access
User experience
Optimised and adaptable to user location
Scalability
Scales easily with cloud-based access
Risk management
Reduced risk with least-privilege access
VPN
Security model
Perimeter-based
Access control
Broad network access
User experience
Prone to latency, especially over long distances
Scalability
Limited, challenging for large and distributed remote workforces
Risk management
Higher risk due to lateral movement

ZTNA solution overview

Tata Communications delivers a carrier-grade and fully managed SASE solution that combines performance with insight-driven security, making secure access both seamless and powerful. Through our offering, customers can leverage unified SD-WAN and SSE solution to kick start SASE journey.

Scalability
Scalability

Easily supports a dynamic workforce with high scalability, ideal for hybrid and remote access needs.

Greater visibility and control
Greater visibility and control

Comprehensive visibility, of underlay, overlay and security across distributed sites, hybrid users and applications.

Global SASE points of presence (POPs):
Global SASE points of presence (POPs):

Our extensive worldwide POP network ensures low-latency enabling seamless and efficient remote access.

Managed SASE services:
Managed SASE services:

Handles the complexity of deployment, monitoring, and ongoing support and maintenance, allowing your teams to focus on strategic priorities.

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Why ZTNA is the future of secure access?

Zero trust network access

Zero trust network access

ZTNA enables secure, identity-based access with continuous monitoring and least-privilege control for enterprise protection.

VPN alternatives explained

VPN alternatives explained

Explore scalable VPN alternatives like ZTNA, SASE, SD-WAN, and SDP to fix VPN limitations and enhance secure remote access.

ZTNA architecture essentials

ZTNA architecture essentials

ZTNA enables secure, identity-based access with app segmentation, continuous verification and granular policy control.

ZTNA vs SASE explained

ZTNA vs SASE explained

Compare ZTNA and SASE to understand which delivers better security, scalability, and control for modern enterprises.

CASB vs ZTNA explained

CASB vs ZTNA explained

CASB secures cloud applications and ensures compliance, while ZTNA delivers secure, identity-based network access control.

ZTNA vs VPN explained

ZTNA vs VPN explained

Learn how ZTNA’s identity-based, app-level access offers stronger security, scalability and visibility versus legacy VPNs.

ZTNA & SD-WAN vs VPN/MPLS

ZTNA & SD-WAN vs VPN/MPLS

Discover how ZTNA and SD-WAN deliver stronger security, flexibility, and performance than traditional VPN and MPLS models.

SASE and zero trust synergy

SASE and zero trust synergy

Learn how SASE and zero trust combine to deliver scalable, cloud-native security with identity-driven access and unified control.

Customer success story

CASE STUDY

Securely connecting 18,000 remote employees in just 2 weeks

Read Case Study