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ZTNA Services

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ZTNA Services Marketplace (DIY & Managed)

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What are ZTNA (Zero Trust Network Access) Services?

ZTNA (Zero Trust Network Access) is an approach to network security and resource access control that assumes no rights are inherently granted to user entities (machine or human). Access rights are determined on a case-by-case basis and applied only for a given task and are revoked after the task has been completed. This determination of whether to grant access or not is determined by a number of factors as defined by security policies, including, but not limited to, level of access requested, access control lists that allow specific users or groups of user’s access to listed tasks without any further consideration, context around the request, location and time of day.

Artificial Intelligence (AI) and Machine Learning (ML) are often deployed to look at all of the available context around access requests and automatically make correlations from the data available to determine if access should be granted or not – and for how long. With solutions like these, there are network, computing, reporting, and audit requirements that need to be managed as well as the configuration and training of the algorithms. That is why it is common for IT teams to outsource the management of these types of network security solutions. Making use of managed services can save on personnel requirements, infrastructure requirements and in-house expert knowledge requirements. The cybersecurity needs are growing faster than the available cybersecurity personnel can fulfill, which contributes to ZTNA solutions having a market worth estimated around $17 million in 2021, and that market is estimated to grow to around $65 million by 2027. A large portion of that spend is being used to procure managed services in order to eliminate the need for more personnel or hardware, and making it simple to layer with other enterprise security solutions.

The use cases for ZTNA are innumerable but one of the most common use cases is moving away from virtual private network (VPN) connectivity solutions which typically grant unnecessarily broad access to private applications and networks. Additionally, implementation of ZTNA to protect individual resources helps move an organization away from the traditional perimeter based security solutions. This is increasingly important due to the expanding remote workforce and adoption of cloud-based services which are often consumed or even deployed outside of the corporate network perimeter.

ZTNA is a crucial layer to a SASE (Secure Access Service Edge) solutions, which is why a lot of organizations are moving toward this approach. Most organizations are moving toward cloud-based SaaS (software-as-a-service) solutions because they are quicker and easier to implement, they can be globally available, and they can be easily integrated with other cloud-based products and services. ZTNA offers a more flexible approach to ensuring that all assets and resources are protected without adding complexities that would otherwise be necessary to keep the entire organization behind a secure perimeter. The early adopters of ZTNA of course include technology companies, as well as regulated industries like financial services and healthcare, where ZTNA serves as a compliance benefit. That said, any organization in any sector with a business model that allows or requires remote access to resources and applications should consider ZTNA in their cybersecurity strategy.

Managed ZTNA as-a-Service from the Cloud:

Cloud-managed ZTNA is a popular and effective approach that interests organizations who need to secure a non-homogenous WAN edge in order to enable SASE. Benefits include easy deployment and management, as well as out-of-the-box integration capabilities for disparate products or multi-layer security platforms. Cloud-managed ZTNA will also provide a central location where all access control events can be logged, processed, and analyzed without having to deploy infrastructure internally.

Why should your business adopt ZTNA?

ZTNA is an efficient and effective means of securing access to network resources, and it can simplify the implementation of network security controls for a variety of business cases. ZTNA stands to benefit organizations with growing remote workforces or who are undergoing cloud transformation and rapidly moving toward cloud-based services, which is really most businesses nowadays. These particular applications bring benefits but also cybersecurity threats which need to be mitigated, as well as quickly evolving compliance requirements from regulators around the world.


ZTNA As A Service Options

Managed Service Provider

  • Direct management of the WAN edge without requirement for intermediary parties, although may also be less flexible in providing customization or ancillary solutions.
  • Managed service providers are the direct approach best suited for those with sufficient engineering resources that can tackle integration or customization internally.
  • In many cases the managed service providers are the provider of the edge, making it simpler to integrate with SASE which may otherwise be more difficult. The provider may also be able to subcontract a variety of technical resources to handle the solution it becomes complex.


  • Managed vendors may provide an additional layer of support and care compared to the traditional service provider, but they may not build a ‘trusted advisor’ relationship like a partner would.
  • Vendors usually offer a smaller set of solutions because their goal will be to keep all service contracts in-house. This is an ideal arrangement for businesses whose needs are close or even directly align with the service offerings from the managed vendor.
  • Vendors are often the developer of the ZTNA solution itself, making them subject matter experts. This can be incredibly helpful when it comes to maintaining the solution or adapting to new business requirements.


  • A partner will offer the most flexible and diverse sets of solutions, as they are free to sell whatever they want, but this may also cost more due to the nature of how they provide their services.
  • Partner’s offerings will often be more diverse. Partners may also have more specific technical knowledge to help with solution design, especially when it’s necessary to customize or tailor a special solution comprised of multiple products.
  • Where partners have industry knowledge, they lack the ability to customize or tailor the products themselves. They are able to offer a variety of products and services from a number of vendors, but they usually aren’t developers.


Managed ZTNA As A Service Options

IT teams should consider the following components when comparing ZTNA services.


DIY vs Managed ZTNA

What is Zero Trust Network Access (ZTNA)?

ZTNA provides access to resources, networks and applications based on a given user’s entitlements for that specific resource, network, or application. This is a significant improvement in security to the traditional perimeter security model, where users are trusted completely to access any resource once they’re within the secure perimeter.

ZTNA can be achieved with a do-it-yourself (DIY) approach, or it can be acquired as a service from a provider. Managed solutions are delivered and supported by a service provider, while DIY solutions are comprised of various network security tools which may be purchased or developed, implemented, and supported by a customer’s internal security team.

Why is ZTNA and important component of SASE (Secure Access Service Edge)?

ZTNA is a vital part of the SASE (Secure Access Security Edge) because ZTNA ensures the security of resources and infrastructure by controlling access everywhere, including the edge. ZTNA is also enabled by SASE, because many of the components which comprise SASE, like secure gateways, proxies, and identity and access management solutions, are necessary in order to implement access control which is consistent with zero trust principles.

What are the Pros of Managed ZTNA?

Managed ZTNA Pros & Cons

Consider the items below when creating your vendor shortlist.


  • Less infrastructure required
  • Less engineering resources required for routine maintenance
  • Confidence provided by some risk transference to the managed service provider


  • Less flexible
  • Can be more costly, and can require engineering resources for customization or integration
  • Requires 3rd party trusted to handle sensitive information

Market worth of managed ZTNA today and in the future:

The ZTNA market recently (2020) was valued around $20 billion and is expected to be valued around $50 billion by 2028. The market growth is substantial and currently, it is estimated that market adoption will grow substantially for the foreseeable future at around 15.5% year-over-year.


Managed ZTNA market worth


Managed ZTNA sector spend

(based on 2021 stats)

(measured in billions USD)


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