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A 2024 survey commissioned by Zscaler found that 81% of respondents were rolling out a Zero Trust approach, planned to start one in 2024, or said one was already running. That is a survey result about varied adoption stages—not a verified measure of how many firms have achieved Zero Trust security, and not a current 2026 adoption rate.
How the survey arrived at 81%
The 81% figure combines three responses in a ViB survey commissioned by Zscaler. The report asked, “Do you take a zero trust approach to security in your organization?” and recorded the following stages:
| Reported stage | Share of respondents | What the category means |
|---|---|---|
| In progress | 46% | Respondents said they were rolling out an approach. |
| Planning to kick off in 2024 | 23% | Respondents reported a plan to begin that year; this is not evidence that the plan was completed. |
| Already implemented and running | 11% | Respondents said an approach was in operation. |
| No plan to embrace Zero Trust in 2024 | 15% | A separate response category in the report. |
| Not planning to implement | 4% | A separate response category in the report. |
| Other | 1% | Respondents selected “Other.” |
These are self-reported survey categories, not independently audited deployments. Zscaler’s summary identifies the poll as a ViB survey it commissioned; the available source material does not establish its sample size, field dates, sampling frame, or geography. The percentages therefore should not be treated as representative of all firms. The 2024 intention category also makes the combined number unsuitable as a present-day adoption estimate.
Sources: ViB survey report (2024 PDF) and Zscaler’s survey summary, January 30, 2025.
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What Zero Trust means in practice
Zero Trust is an architecture and policy approach, not a single product category. NIST’s SP 800-207 defines its central shift: an organization should not grant implicit trust solely because a user or device is on a particular network, in a particular physical location, or owned by the organization. Access should be authenticated and authorized for the specific resource being requested, with protection centered on resources rather than network segments.
That distinction matters when interpreting a claim that an organization “has” Zero Trust. A product purchase or a project in progress does not, by itself, establish that access decisions are consistently enforced or that activity is monitored. NIST’s framework treats Zero Trust as coordinated policies, enforcement components, relevant identity and context inputs, and monitoring.
Sources: NIST SP 800-207 (2020) and NIST, Implementing a Zero Trust Architecture: High-Level Document (2025).
How to judge an organization’s adoption claim
Ask what is covered and what the system actually does, rather than relying on the label alone. NIST’s guidance supports evaluating an implementation along several connected dimensions:
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- Stage: Is the work only planned, actively being rolled out, or operating in production?
- Scope: Which users and devices, applications and services, and data or other resources are covered?
- Policy: Are access rules defined for the resources and the circumstances in which they may be used?
- Enforcement: Do mechanisms actually apply those rules before granting access?
- Monitoring: Is activity observed so decisions and access can be assessed over time?
For cloud-native applications spanning multiple cloud environments, NIST describes identity-aware policies and gateways among the mechanisms that can support Zero Trust. The appropriate design depends on the environment; the survey’s adoption percentages do not reveal which mechanisms respondents used.
Source: NIST SP 800-207A (September 13, 2023).
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What the survey says about choosing solutions
In the same survey, respondents cited price, robustness, and integration with existing security solutions as selection considerations. Zscaler’s January 2025 summary reports these percentages:
| Selection consideration | Share reported |
|---|---|
| Price | 56% |
| Robustness | 54% |
| Integration with existing security solutions | 53% |
These figures describe this survey, not universal buyer priorities. When comparing an implementation, also check whether it fits the actual environment and can enforce the organization’s policies across the resources in scope; those are practical evaluation questions, not additional survey findings.
Source: Zscaler’s survey summary, January 30, 2025.
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