Guides – GTT

From Plan to Protection: 7 Steps to Deploying ZTNA

Susan Metz — Wed, 27 Aug 2025 17:50:16 +0000

Guide

From Plan to Protection: 7 Steps to Deploying ZTNA

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Rethink Remote Access Before It Slows You Down

When users connect from everywhere—and threats come from anywhere—traditional access models stop working. It’s no longer enough to secure the perimeter or trust a login. You need dynamic access controls that adapt to the way your teams actually work.

ZTNA brings that control. But most deployments never make it past the pilot.

Why Many ZTNA Projects Stall

It’s not the technology. It’s the rollout.

Many organizations begin with broad ambitions: “Zero Trust everything.” Then internal friction sets in. Business units resist new restrictions. Security teams face pushback over user experience. Integration gaps surface between tools already in place. Suddenly, a promising initiative loses momentum—and the risk it aimed to reduce remains.

This guide is built for that moment. It lays out a real-world, operationally grounded approach to getting ZTNA off the ground—and making sure it scales.

Why This Guide Matters Now

Aligns Zero Trust principles with actual business goals
Frames access control as an operational shift, not a technology rip-and-replace
Shows how to sequence deployment for faster wins and broader buy-in

Who Should Use This Guide

This guide is designed for IT and security leaders responsible for modernizing access controls across distributed workforces, hybrid environments, or regulated data flows. If your team is navigating stalled ZTNA pilots, unclear rollout paths, or user resistance, this is the practical blueprint you need.

Why It’s Different

You won’t find broad promises or conceptual frameworks here. Instead, the guide outlines seven focused steps—from scoping and segmentation to validation and results framing—that reflect how real teams actually roll out secure access. Each one helps reduce resistance, improve alignment, and build lasting traction.

It’s backed by insights from enterprise deployments, structured around business outcomes, and informed by what causes most initiatives to stall in the first place.

FAQs

Is this guide technical or strategic?

It’s operational. It helps you turn Zero Trust principles into a workable plan that fits your infrastructure, workforce, and business goals.

Does this apply even if we already have SD-WAN?

Yes. ZTNA and SD-WAN solve different problems. This guide shows how to layer access control over your existing connectivity architecture.

What if we’re not ready to replace VPNs?

You don’t have to. The guide outlines how to use ZTNA to complement—rather than replace—your current tools.

We’re short-staffed. Is this still doable?

Absolutely. The seven-step framework is designed to reduce internal lift by helping you prioritize scope, sequence, and stakeholder alignment.

How does this help with compliance?

By promoting identity-aware access and reducing lateral movement, ZTNA helps enforce granular policies across sensitive data environments.

Why Download Now

Industry insights

Get the 7-Step Guide to ZTNA Deployment

Learn how to avoid rollout roadblocks and build a scalable Zero Trust access model that works across your enterprise.

Our Gartner rating

Build Agile Network Infrastructure Without Costly Disruption

Susan Metz — Tue, 26 Aug 2025 19:38:54 +0000

Guide

Build Agile Network Infrastructure Without Costly Disruption

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Thank you for your interest. Enjoy!

Build the Network That Moves with You

When expansion demands speed, your network should support it. Whether enabling a remote site or deploying a new digital service, infrastructure should never hold you back.

Static Networks Aren’t Built for Change

Legacy infrastructure was designed to be reliable, not adaptability. Many organizations still rely on networks that can’t flex to meet cloud performance needs, workforce mobility, or time-sensitive initiatives. As demands grow, delays compound and visibility declines putting performance at risk.

For enterprise teams under pressure to deliver, that model breaks down quickly.

Why Enterprise Agility Matters

Accelerate performance shifts
Support new sites or services with faster rollout and smoother transitions.
Gain centralized visibility
Manage hybrid environments with unified control and smart routing decisions.
Modernize without full replacement
Add orchestration, automation and intelligent path selection without ripping out what still works.
Improve resilience under real-world conditions
Enhance uptime, simplify routing and respond faster to regional needs.

What You’ll Learn

This guide walks through practical network strategies for modern enterprises—focused on adapting infrastructure without downtime. It covers hybrid deployments and managed SD-WAN models that allow IT to evolve incrementally. It also explores how orchestration platforms give teams stronger control over performance and security.

Rather than suggest a single model, the asset shows different ways businesses are achieving scalable, site-aware connectivity.

Built for Decision-Makers Managing Scale

This resource is built for CIOs, infrastructure leads and network strategists managing global operations. If you’re navigating high user expectations, shifting workloads, or fragmented legacy systems, this content addresses those pain points.

You’ll find direction on adapting what you already have while improving readiness for whatever’s next.

What Sets This Apart

Unlike generic transformation content, this white paper shares:

Real modernization journeys from enterprise scenarios (anonymized but operationally rich)
Usable models based on hybrid approaches that include MPLS, DIA and SD-WAN orchestration
Actionable guidance that highlights what matters most to uptime, visibility and speed
Insights for leaders tasked with enabling scale and controlling complexity at once

FAQs

Do I need SD-WAN already in place?

Not at all. The guidance supports you whether you’re just starting with hybrid networking or refining your existing setup.

Does it assume a specific industry?

No. While examples span manufacturing and tech, the lessons apply across sectors with multi-site operations and cloud reliance.

Will this require a major overhaul?

No. The focus is on layering modern capabilities over existing infrastructure.

Is this document technical?

It’s written for IT leaders and strategic buyers. Technical enough to be actionable—without requiring engineering knowledge.

What’s the takeaway?

A better path to scale, control and modernization—without breaking what works today.

Everything you need to know

Industry Insights

Download the Guide

See how leading enterprises are modernizing their networks without disruption.

Our Gartner rating

How GTT Customers Build Secure Foundations for Scalable Growth

Susan Metz — Fri, 22 Aug 2025 15:35:08 +0000

Guide

How GTT Customers Build Secure Foundations for Scalable Growth

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Thank you for your interest. Enjoy!

Secure Growth Starts with a Unified Foundation

When every new site, vendor, and cloud platform adds risk, complexity isn’t just a challenge, it’s a liability. For organizations operating in regulated, distributed, or fast-scaling environments, securing the business while enabling growth isn’t optional. It’s urgent. GTT’s Security Lookbook explores how enterprise leaders are doing exactly that.

Why It Matters Now

Many security teams are navigating fragmented environments, unclear Zero Trust roadmaps, and mounting compliance pressure—all while trying to maintain business agility. This lookbook shows how forward-looking enterprises have streamlined their approach, enabling secure expansion across industries and geographies.

Value to You

Understand how security architecture decisions directly affect time-to-value during site growth
See how unified connectivity and cloud-ready security help simplify policy enforcement
Learn how IT teams reduce operational burden without compromising visibility or control

What You’ll Learn

The lookbook highlights how enterprise IT leaders replaced complexity with clarity. Through real-world scenarios, you’ll see how combining secure networking with managed services enables measurable progress across security, compliance, and operational agility.

Who Should Read This and When

If you’re an IT decision-maker facing strict compliance requirements—or a security leader in a high-growth enterprise—this lookbook is for you. Especially relevant if your team is evaluating Zero Trust strategies, consolidating vendors, or onboarding new sites at speed.

Proof Without the Noise

This isn’t theory. It’s based on anonymized enterprise scenarios across sectors. The common thread? Each organization turned to GTT for secure connectivity, consistent policy enforcement, and architectural flexibility. From managing hundreds of locations to enabling secure cloud collaboration, the outcomes speak for themselves—without giving anything away.

FAQs

How is this different from a typical product overview?

This isn’t a spec sheet. It’s a practical look at how secure networking helps enterprise teams solve real, high-impact problems.

Do I need to be a current GTT customer to benefit from this?

Not at all. Whether you’re evaluating options or expanding your current footprint, the lookbook offers insights you can use.

What size of organization is this relevant for?

Primarily large, multi-site enterprises with compliance mandates or cross-border operations—but the architectural lessons apply broadly.

Is this just about Zero Trust?

Zero Trust is a theme, but the lookbook also addresses foundational connectivity, managed services, and operational streamlining.

What will I get out of it?

You’ll gain clarity on how other enterprises reduced risk while accelerating progress—and how your team can apply those principles in your own environment.

Reasons to Download Now

Industry Insights

Download the Lookbook

See how enterprises like yours reduce complexity and scale securely with GTT.

Our Gartner rating

GTT Named Leader in ISG Provider Lens™ Enterprise Managed Network Services 2024 Europe Study

Susan Metz — Thu, 19 Dec 2024 13:56:20 +0000

Guide

GTT Named Leader in ISG Provider Lens Enterprise Managed Network Services 2024 Europe Study

GTT is ranked as a Leader for the provisioning of network as a service (NaaS) and for services across WANs, LANs, managed Direct Internet Access (DIA), Voice over IPs (VoIPs) and virtual private networks (VPNs). This top ranking from ISG is based on its evaluation of 33 service providers within the managed network services industry.

Download Guide

Thank you for your interest. Enjoy!

GTT is a designated Leader in this comprehensive study evaluating Enterprise Managed Network Services in Europe by the Information Services Group (ISG), a leading global technology research and advisory firm.

GTT offers one global networking experience to help enterprises to simply and securely connect people and machines to data and applications – anywhere in the world. Its Envision platform connects, orchestrates, virtualizes and automates enterprise networks, enabling real-time reaction to changing business requirements.

GTT’s solution portfolio includes SASE: Secure Connect, Network Security and Operations, Cloud Security, Wide Area Networking, SD-WAN, Internet, Cloud Connect, Voice and Professional Services.

The ISG Provider Lens Enterprise Managed Network Services 2024 study recognized GTT’s strengths within each of the capability areas it covered:

Network as a Service (NaaS)

“GTT’s NaaS service provides a comprehensive and highly agile solution with advanced tools for network services, security, cloud integration and monitoring, based on a robust global solution.”

Dr. Kenn D. Walters, Lead Author, ISG

Managed Network Services Evolution

“GTT’s MNS provide enterprises with a cohesive and powerful portfolio of managed connectivity and voice services, supported by automation tools for monitoring, security and performance management and delivered through its global Tier 1 backbone.”

Dr. Kenn D. Walters, Lead Author, ISG

Managed Enterprise Connectivity Solutions

“GTT’s enterprise VPN, DIA and VoIP services are highly effective as managed services and enable enterprises to optimize their operations, improve communication and ensure the security of their data and voice services.”

Dr. Kenn D. Walters, Lead Author, ISG

Who is this study relevant for?

According to ISG, European enterprises increasingly rely on comprehensive Managed Network Services to ensure seamless connectivity and operational efficiency. The firm notes that NaaS responds to enterprises’ networking requirements without necessitating related enterprise staff to maintain the networking infrastructure.

This study is relevant for network, security, infrastructure and procurement professionals and leaders in enterprises across all industries in Europe who evaluate enterprise managed network service providers.

Network professionals: Gain insights into managed service trends, technologies and best practices as well as how NaaS can enable scalability for future growth
Cybersecurity professionals: Learn how managed network services, including NaaS, can enhance security, mitigate risks and ensure compliance
CIO, CTO and other C-suite executives: Understand how these technology services can optimize operational efficiency, align with business goals and support IT cost effectiveness
Procurement professionals: Understand the service provider landscape, gain insights into financial and operational benefits of these technologies and support contract decisions.

Download this
Guide

Industry insights

Our Gartner rating

GTT Named Leader in ISG Provider Lens™ Enterprise Managed Network Services 2024 U.S. Study

Susan Metz — Tue, 10 Dec 2024 20:31:00 +0000

Guide

GTT Named Leader in ISG Provider Lens Enterprise Managed Network Services 2024 U.S. Study

GTT is ranked as a top Leader position for the provisioning of network as a service (NaaS) and for services across WANs, LANs, managed Direct Internet Access (DIA), Voice over IPs (VoIPs) and virtual private networks (VPNs). This top ranking comes from ISG is based on its evaluation of 33 service providers within the managed network services industry.

Download Guide

Thank you for your interest. Enjoy!

GTT is designated a Leader in this detailed study evaluating Enterprise Managed Network Services for the U.S. by the Information Services Group (ISG), a world-renowned technology research and market intelligence advisory firm.

Leveraging its Envision platform, GTT offers one global networking experience to help enterprises simply and securely connect people and machines to data and applications – anywhere in the world. By bringing together the right people, partners and technology, GTT powers enterprises to solve their most pressing networking and security challenges and reduce the burden on IT teams.

GTT acts as a single partner for all enterprise networking needs, with a managed portfolio including SASE: Secure Connect, Network Security and Operations, Cloud Security, Wide Area Networking, SD-WAN, Internet, Cloud Connect, Voice and Professional Services.

The ISG Provider Lens Enterprise Managed Network Services 2024 study recognized GTT’s strengths within each of the capability areas it covered:

Network as a Service (NaaS)

“GTT’s NaaS service offers a comprehensive, flexible and scalable solution for enterprise networking needs, with advanced tools for network management, security and cloud integration.”

Dr. Kenn D. Walters, Lead Author, ISG

Managed Network Services Evolution

“GTT’s MNS provide enterprises with a comprehensive suite of managed connectivity and voice services. These services are supported by advanced monitoring, security and performance management tools, supported by a Tier 1 backbone.”

Dr. Kenn D. Walters, Lead Author, ISG

Managed Enterprise Connectivity Solutions

Dr. Kenn D. Walters, Lead Author, ISG

Who is this study relevant for?

According to ISG, U.S. enterprises are growing their use of comprehensive managed network services to assure seamless connectivity and operational efficiency. This study is relevant for network, security, infrastructure and procurement professionals and leaders in enterprises across all industries in the U.S. who take part in evaluating enterprise managed network service providers.

Network professionals: Gain insights into managed service trends, technologies and best practices
Cybersecurity professionals: Learn how managed network services can enhance security, mitigate risks and ensure compliance
CIO, CTO and other C-suite executives: Understand how these technology services can align with business goals, support IT cost optimization and further operational efficiency
Procurement professionals: Understand the provider landscape and gain insights to enable more informed negotiations and cost optimization

Guides – GTT

From Plan to Protection: 7 Steps to Deploying ZTNA

Guide

From Plan to Protection: 7 Steps to Deploying ZTNA

Download Guide

SHARE

Rethink Remote Access Before It Slows You Down

Why Many ZTNA Projects Stall

Why This Guide Matters Now

Who Should Use This Guide

Why It’s Different

FAQs

Why Download Now

Industry insights

Get the 7-Step Guide to ZTNA Deployment

Our Gartner rating

4

.

Build Agile Network Infrastructure Without Costly Disruption

Guide

Build Agile Network Infrastructure Without Costly Disruption

Download Guide

SHARE

Build the Network That Moves with You

Static Networks Aren’t Built for Change

Why Enterprise Agility Matters

What You’ll Learn

Built for Decision-Makers Managing Scale

What Sets This Apart

FAQs

Everything you need to know

Industry Insights

Download the Guide

Our Gartner rating

4

.

How GTT Customers Build Secure Foundations for Scalable Growth

Guide

How GTT Customers Build Secure Foundations for Scalable Growth

Read the eBook

SHARE

Secure Growth Starts with a Unified Foundation

Why It Matters Now

Value to You

What You’ll Learn

Who Should Read This and When

Proof Without the Noise

FAQs

Reasons to Download Now

Industry Insights

Download the Lookbook

Our Gartner rating

4

.

GTT Named Leader in ISG Provider Lens™ Enterprise Managed Network Services 2024 Europe Study

Guide

GTT Named Leader in ISG Provider Lens Enterprise Managed Network Services 2024 Europe Study

Download Guide

SHARE

Network as a Service (NaaS)

Managed Network Services Evolution

Managed Enterprise Connectivity Solutions

Who is this study relevant for?

Download this Guide

Industry insights

Our Gartner rating

4

.

GTT Named Leader in ISG Provider Lens™ Enterprise Managed Network Services 2024 U.S. Study

Guide

GTT Named Leader in ISG Provider Lens Enterprise Managed Network Services 2024 U.S. Study

Download Guide

SHARE

Network as a Service (NaaS)

Managed Network Services Evolution

Managed Enterprise Connectivity Solutions

Who is this study relevant for?

Download this Guide

Industry insights

Our Gartner rating

Download this
Guide

Download this
Guide