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Zscaler Internet Access Reviews & Insights

Score8.8 out of 10

447 Reviews and Ratings

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Based on 1,041 HG Insights installations.

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Community Insights for Zscaler Internet Access

Synthesised from 107 verified reviews.


Synthesised from 107 reviews | Last Published July 9, 2026


Zscaler Internet Access (ZIA) is primarily used by organizations to enhance user security, protect internet-bound traffic, and prevent data loss. It extends security policies to remote and on-premise workforces, protecting against malicious content and unapproved sites. Reviewers report deploying ZIA to gain comprehensive visibility into network traffic and enforce granular web access control, with deployments scaling to over 120,000 users. In TrustRadius reviews, organizations often replace legacy security solutions with ZIA to simplify infrastructure and strengthen their security posture.

Reviewers note positive impacts from ZIA's AI functionality, which has blocked malicious web access and identified sensitive data usage. However, some users report challenges with the complexity of the user interface and performance issues, including latency for certain applications and slow report generation. Configuration and management tasks also present difficulties for some. Despite these areas for improvement, the overall sentiment indicates ZIA delivers significant positive ROI through enhanced security and operational efficiencies.


  • Robust URL filtering and blocking capabilities.
  • Comprehensive security features, including malicious content detection and zero-trust principles.
  • Effective SSL inspection for visibility into encrypted traffic.
  • Strong Data Loss Prevention (DLP) features for compliance and data protection.
  • Seamless and straightforward integration into existing organizational environments.
  • Complex user interface with navigation challenges and frequent changes.
  • Performance issues and latency, particularly for certain applications and report generation.
  • Difficulties with configuration and management tasks.
  • Some users encounter challenges with full SSL inspection.
  • AI functionality is in early stages of adoption and assessment for many users.
What other products like Zscaler Internet Access have you used or evaluated?

From 107 reviews | Last Published July 9, 2026

Reviewers frequently identify other security solutions used or evaluated alongside Zscaler Internet Access, primarily focusing on related Zscaler offerings and competing SASE (Secure Access Service Edge) platforms. The most commonly cited alternative or complementary product is Zscaler Private Access, mentioned by 13% of reviewers, often in conjunction with Zscaler Internet Access to form a comprehensive security posture. Another internal Zscaler product, Zscaler Digital Experience, is also frequently noted, appearing in 9% of reviews, indicating a trend toward integrated Zscaler ecosystem adoption. Outside of the Zscaler suite, Palo Alto Networks products are a significant point of comparison, cited by 8% of the review sample, suggesting a competitive landscape for advanced security features. Other notable alternatives include Netskope, mentioned by 4% of reviewers, and Check Point Harmony SASE, which 3% of reviewers referenced, further highlighting the diversity of solutions considered in the SASE and secure web gateway market.

Zscaler Private Access

Zscaler Private Access

Zscaler Digital Experience

Zscaler Digital Experience (ZDX)

Palo Alto Networks

Palo Alto Networks Advanced URL Filtering

What other products like Zscaler Internet Access have you used or evaluated?

From 33 reviews | Last Published July 9, 2026

United States-based organizations evaluating Zscaler Internet Access frequently consider a competitive landscape that aligns with broader market trends, rather than revealing unique regional preferences or specific US-centric integrations. Reviewers in the United States primarily compare Zscaler Internet Access to other established security vendors and related offerings, indicating a focus on core security capabilities and performance. The evaluations of these alternatives by US teams exhibit a mixed sentiment, suggesting that no single competitor consistently outperforms Zscaler Internet Access across all criteria for these buyers. Palo Alto Networks products were the most frequently cited alternatives, mentioned by 15% of reviewers, with other SASE and security solutions also part of the evaluation process for US-based companies.

Palo Alto Networks

Palo Alto Networks Advanced URL Filtering

Netskope

Netskope Cloud Firewall and Netskope Private Access

Zscaler Digital Experience

Zscaler Private Access and Zscaler Digital Experience (ZDX)

What positive or negative impact (i.e. Return on Investment or ROI) has Zscaler Internet Access had on your overall business objectives?

From 107 reviews | Last Published July 9, 2026

Zscaler Internet Access has primarily delivered a positive impact on business objectives, with reviewers frequently highlighting its ability to enhance organizational security. A significant 32% of reviewers specifically noted improvements in security posture, citing the platform's effectiveness in identifying and blocking malware, malicious sites, and critical threats. This enhanced protection extends to both on-premise and remote devices, contributing to better access control and reduced security risks. Beyond security, the solution has generated substantial cost savings and a strong return on investment, a benefit mentioned by 17% of the reviewed experiences. These financial advantages stem from the replacement of multiple legacy on-premise solutions, reduced hardware footprints, and the prevention of costly outages. The platform also contributes to operational efficiencies by reducing system complexity, cited by 10% of reviewers, through consolidated security controls and simplified administration. Furthermore, 7% of reviewers reported time savings due to automation and streamlined deployment, while 5% appreciated the improved visibility and insights into network traffic and user activity.

Security Improvement

Better business insight from a security perspective.

Cost Savings / ROI

All positive! Most cost was offset by Zscaler Internet Access replacing many of the software and programs used to do the things Zscaler Internet Access does on a much better level

Improved Security

Zscaler Internet Access has identified more Malware than previous control

What positive or negative impact (i.e. Return on Investment or ROI) has Zscaler Internet Access had on your overall business objectives?

From 90 reviews | Last Published July 9, 2026

United States-based organizations utilizing Zscaler Internet Access report significant positive impacts on their business objectives, primarily driven by enhanced security and substantial cost efficiencies. A notable 14% of reviewers specifically highlight improved security, citing the platform's effectiveness in identifying malware and strengthening overall organizational posture. Furthermore, the product delivers considerable return on investment, with 13% of reviewers noting that it replaces multiple on-premise solutions, thereby reducing infrastructure overhead and maintenance costs. Reviewers frequently emphasize the ability to consolidate security controls and reduce the need for traditional firewalls, particularly beneficial for distributed workforces common in the US. The platform also contributes to operational efficiency by saving time on deployment and incident response, a sentiment echoed by 7% of reviewers. While the reviews consistently praise the product's benefits, they do not specifically call out unique regional workflows, regulatory compliance, or local integration needs distinct to the United States market, suggesting a generally positive experience aligned with global user trends.

Increased Agility / Scalability

Increased agility in adding sites for certain finance users.

Decreased System Complexity

Decrease system complexity

ROI/Cost Savings

Hard to prove ROI, but keeping our environment secure is invaluable.

Besides Zscaler Internet Access, what other software do you regularly use? How likely would you be to recommend it to a friend or colleague?

From 107 reviews | Last Published July 9, 2026

Reviewers frequently mention a range of software used alongside Zscaler Internet Access, with a notable emphasis on other products within the Zscaler ecosystem. Zscaler Private Access (ZPA) is the most commonly cited complementary solution, mentioned by 21% of reviewers, often used for secure remote access. Beyond Zscaler's offerings, CrowdStrike Falcon stands out as a significant third-party integration, reported by 12% of the review sample, indicating a focus on endpoint security. Zscaler Digital Experience (ZDX) is also frequently noted, with 11% of reviewers using it to monitor user experience and network performance. Less frequently, but still present, are mentions of Zscaler Data Security, cited by 3% of reviewers, and Okta, also mentioned by 3% for identity and access management. The prevalence of Zscaler's own products suggests a tendency for organizations to adopt a broader Zscaler security stack, while also integrating specialized third-party tools for comprehensive protection.

Zscaler Private Access

Zscaler Private Access

KnowBe4

KnowBe4 PhishER/PhishER Plus, KnowBe4 Security Awareness Training

Okta

Okta

Besides Zscaler Internet Access, what other software do you regularly use? How likely would you be to recommend it to a friend or colleague?

From 44 reviews | Last Published July 9, 2026

Based on a limited number of reviews from users in the United States of America, there is an emerging mention of KnowBe4 as a complementary software solution to Zscaler Internet Access. With only two specific mentions among 44 reviews, representing 5% of the feedback, it is challenging to draw definitive conclusions regarding its specific adoption patterns or integration experiences within US-based organizations. The current data does not provide specific insights into regional workflows, local integrations, or regulatory considerations unique to the United States. Reviewers generally list KnowBe4 alongside other security tools, indicating its presence in the broader cybersecurity stack, but without further context, its impact or specific use cases for US buyers remain largely undifferentiated from a global perspective. Therefore, the current insights are broad rather than country-specific.

KnowBe4

KnowBe4 PhishER/PhishER Plus, KnowBe4 Security Awareness Training

Describe how you use Zscaler Internet Access in your organization. What are the business problems the product addresses and what is the scope of your use case?

From 107 reviews | Last Published July 9, 2026

Organizations primarily leverage Zscaler Internet Access (ZIA) to bolster user security and protection, a key use case cited by 16% of reviewers. The product addresses critical business problems related to securing internet-bound traffic and preventing data loss, with these aspects highlighted by 12% of reviewers each. ZIA is widely adopted to extend security policies to users regardless of their location, effectively protecting remote and on-premise workforces from malicious content and unapproved sites. Reviewers frequently report using ZIA to gain comprehensive visibility into network traffic and enforce granular control over web access, with 11% of reviewers emphasizing its role in both visibility and control, and visibility and monitoring. This capability allows organizations to manage internet usage, inspect SSL traffic, and identify potential threats. The scope of deployment for ZIA varies significantly, ranging from hundreds to over 120,000 users and endpoints, indicating its scalability for diverse enterprise environments. Many organizations utilize ZIA to replace legacy security solutions, simplifying infrastructure and achieving a stronger security posture.

User Security and Protection

Allows us to extend policy regardless of where they are located.

Data Loss Prevention (DLP)

We use Zscaler Internet Access for secure web gateway, DLP, and cloud app control.

Securing Internet Traffic

ZIA solves the security gap between on-prem & off-prem locations.

Describe how you use Zscaler Internet Access in your organization. What are the business problems the product addresses and what is the scope of your use case?

From 95 reviews | Last Published July 9, 2026

Reviewers in the United States predominantly leverage Zscaler Internet Access to establish robust security postures for their internet-bound traffic, addressing critical business problems related to user protection and data integrity. The product is widely deployed across organizations of varying sizes, with some reviewers noting deployments for 15,000 users and others for over 120,000 device endpoints, indicating its scalability for US enterprises, particularly in supporting remote and hybrid work models. Key benefits highlighted by US users include enhanced user security, comprehensive visibility, and effective data loss prevention. While these concerns are universal, the reviews do not explicitly raise unique US-specific regulatory, data residency, or integration challenges, suggesting the product aligns well with standard enterprise security requirements in the region.

User Security and Protection

Allows us to extend policy regardless of where they are located.

Visibility and Control

We did not have visibility into non standard ports with our previous product and since moving we have noticed more visibility into what our applications are doing.

Data Loss Prevention (DLP)

We use Zscaler Internet Access for secure web gateway, DLP, and cloud app control.

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