<img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=1705902170274878&amp;ev=PageView&amp;noscript=1">

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.

VPN vs ZTNA: Feature comparison

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
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

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.

Simplify secure access for your enterprise

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

Frequently asked questions

What is Zero Trust Network Access (ZTNA)?

Zero Trust Network Access is a cybersecurity approach that verifies every user, device, and application before granting access to enterprise resources. Unlike traditional security models, ZTNA does not automatically trust users inside a network. Tata Communications provides advanced zero trust network access solutions that help organisations secure digital environments, protect sensitive data, and manage access across distributed business operations.

What are the key components of a Zero Trust Network Access framework?

A Zero Trust Network Access framework includes identity verification, multi-factor authentication, least privilege access, continuous monitoring, device security, and encrypted communication. These components help ensure that only authorised users and devices can access enterprise applications and systems. Tata Communications integrates these capabilities into its security framework to support stronger protection across enterprise and cloud environments.

How does adopting a zero trust security model reduce the risk of cyberattacks and insider threats?

A zero trust security model reduces cyber risks by continuously verifying users, devices, and network activity before granting access to business systems. It limits unnecessary access privileges and helps detect suspicious behaviour quickly. Tata Communications’ zero trust network access solutions help organisations reduce the impact of cyberattacks, insider threats, and unauthorised access across digital and cloud-based operations.

How does Tata Communications’ Zero Trust Network Access solution help enterprises secure their distributed workforce?

Tata Communications’ Zero Trust Network Access solution helps enterprises secure distributed workforces by providing secure remote access to applications and business systems from any location. The solution continuously verifies user identity, device security, and access permissions before granting connectivity. This helps organisations maintain strong cybersecurity protection while supporting flexible work environments and secure digital collaboration.

What differentiates Tata Communications’ ZTNA offering from other zero trust network access solutions in the market?

Tata Communications differentiates its zero trust network access solutions through its integrated global connectivity, cybersecurity expertise, and managed security services ecosystem. The company combines secure network access, threat monitoring, and operational visibility within a unified framework. This approach helps enterprises simplify security management while supporting secure connectivity across cloud, hybrid, and distributed business environments.

Can Tata Communications’ ZTNA solution support hybrid and multi-cloud infrastructures?

Yes. Tata Communications’ Zero Trust Network Access solution is designed to support hybrid and multi-cloud infrastructures securely and efficiently. The platform enables organisations to manage secure access across cloud applications, on-premises systems, and distributed digital environments through a unified security framework. This helps businesses maintain operational flexibility while strengthening cybersecurity protection across complex infrastructure environments.

What are zero trust network access solutions?

Zero trust network access solutions are cybersecurity platforms that provide secure and controlled access to enterprise applications, networks, and digital resources by continuously verifying users and devices. These solutions help organisations strengthen security, reduce cyber risks, and manage secure remote access efficiently. Tata Communications provides scalable zero trust network access solutions that support secure enterprise connectivity across modern digital environments.

Contact our sales team
Thank you for reaching out.

Our team will be in touch with you shortly.