Need indicators
This capability is usually relevant when these signals appear in the operating environment.
Broad VPN access.
Network exposure larger than needed.
Remote users need precise access.
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Network Security Management
Technology solutionZero Trust Network Access
Grant precise application access instead of exposing the entire network to a user or device.
ZTNANCA ECC
What is this solution?
ZTNA grants access to a specific application rather than trusting a user simply because they joined an internal network. A policy point evaluates identity and available context, then a broker or connector permits the authorized application path. Authorization for transactions and files within the application remains separate.
Zero trust network access supports per-application remote access using application-specific access policies rather than broad network exposure.
Practical example
A contractor needs one application. The team designs a policy that grants access to that application rather than to a broader network segment.
Technical summary and scope of use
Technical explanation
What to validate before rollout
- Bind access to the required application rather than broad network reach.
- Evaluate the identity, device, and context signals the deployment supports.
- Verify denial to unauthorized applications and behavior when access context changes.
Scope of use
Identify applications, identity sources, and available device posture signals. Verify connectors and legacy application support before committing to scope.
What it delivers
Core capabilities that turn the requirement into practical controls.
Publish the application, not the network
Identity- and context-based policy
Validate boundaries and operations
Expected value
The impact security teams and leadership can expect from the right implementation.
More precise access
Lower exposure
Better remote-work control
Technical capabilities
Feature availability depends on product version, target systems, deployment, and integrations.
Publish the application, not the network
Application-specific paths
Bind identity to a named application and verify that neighboring applications or unauthorized network ranges remain inaccessible.
Connectors and legacy services
Evaluate connector paths for modern and legacy applications. Web access and administrative protocols may require different support.
Identity- and context-based policy
Identity federation and access groups
Application policies can use identity groups and stronger authentication where needed. Test the effect of removing a user from a group.
Device and session signals
Use enrollment or posture where reliable signals exist. Check whether a context change triggers immediate re-evaluation or only the next connection.
Validate boundaries and operations
Allow and deny testing
Test contractor access to an approved application and denial to another from the same device. Review paths outside the broker.
Decision records and exceptions
Record the application, identity, and policy outcome. Document time-bound exceptions and operating procedures for connector or identity-provider outages.
What to validate before rollout
- Bind access to the required application rather than broad network reach.
- Evaluate the identity, device, and context signals the deployment supports.
- Verify denial to unauthorized applications and behavior when access context changes.
Integration and scope
Identify applications, identity sources, and available device posture signals. Verify connectors and legacy application support before committing to scope.
Regulatory alignment
Illustrative ways to support control implementation. An area may have more than one example; each row is not necessarily a separate official control.
NCA · ECC 2:2024For entities within the scope of the Essential Cybersecurity Controls.
| Domain or control | How it supports implementation | Application |
|---|---|---|
| Least-privilege access authorization | ZTNA can restrict access to the required application rather than a broader network segment. In-application permissions and segregation of duties remain organizational responsibilities. | Applied |
“Applied” describes the capability in the illustrative example, not an implementation or compliance status for the customer.
Decision questions
Questions before you start
How do we know this solution is right for us?
Start with the risk signals on this page. If they match your environment, they can be turned into a short assessment that defines scope, priority, and a practical implementation approach.
How do we start without adding operational complexity?
Start with a focused risk and scope assessment, then define implementation priorities, technical requirements, and phased rollout steps.
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