Cisco Duo vs Zscaler Zero Trust Exchange Platform comparison

Cisco and Zscaler are both solutions in the ZTNA as a Service category. Cisco is ranked #4 with an average rating of 8.8, while Zscaler is ranked #1 with an average rating of 8.5. Cisco holds a 2.3% mindshare in ZaaS, compared to Zscaler’s 15.3% mindshare. Additionally, 96% of Cisco users are willing to recommend the solution, compared to 98% of Zscaler users who would recommend it.

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Executive SummaryUpdated on Nov 2, 2025

Cisco Duo and Zscaler Zero Trust Exchange Platform are key players in the security solutions market, with each offering distinctive strengths. Cisco Duo seems to have an advantage in deployment ease and multi-factor authentication, while Zscaler excels in its cloud-native zero-trust architecture.

Features: Cisco Duo offers robust multi-factor authentication options, including methods that do not require a smartphone, making it accessible to a broader range of users. Its single-pane-of-glass management enhances administrative ease and security oversight. Zscaler provides comprehensive cloud-based security with advanced threat protection and the ability to secure applications without traditional VPNs, notable for its data protection and visibility capabilities.

Room for Improvement: Cisco Duo could improve in integrating with other systems and refining its management features, as well as enhance password management and customizable notifications. Zscaler users suggest improvements in legacy system support, scalability, and pricing transparency, along with increased flexibility in integration.

Ease of Deployment and Customer Service: Cisco Duo is noted for its swift deployment across various environments, with high customer satisfaction concerning support responsiveness and effectiveness. Conversely, while Zscaler offers straightforward cloud deployment, it receives criticism for slower support response times compared to Cisco Duo.

Pricing and ROI: Cisco Duo is viewed as cost-effective with a transparent licensing model suitable for smaller businesses, contributing positively to security ROI and insurance premium reduction. Zscaler's pricing is seen as higher, especially for advanced features, though users see value in the security provided. Suggestions for pricing flexibility and transparency are common feedback for Zscaler.

To learn more, read our detailed Cisco Duo vs. Zscaler Zero Trust Exchange Platform Report (Updated: December 2025).

Buyer's Guide

Cisco Duo vs. Zscaler Zero Trust Exchange Platform

December 2025

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Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Categories and Ranking

iboss

Mindshare comparison

As of February 2026, in the ZTNA as a Service category, the mindshare of iboss is 2.3%, up from 1.6% compared to the previous year. The mindshare of Cisco Duo is 2.3%, down from 2.4% compared to the previous year. The mindshare of Zscaler Zero Trust Exchange Platform is 15.3%, down from 18.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.

ZTNA as a Service Market Share Distribution
Product	Market Share (%)
Zscaler Zero Trust Exchange Platform	15.3%
Cisco Duo	2.3%
iboss	2.3%
Other	80.1%

ZTNA as a Service

Featured Reviews

reviewer2701851

Managing Director

Enhances web security with a single pane of glass and flexible deployment

I don't see any need for improvement; one of the really good things about iboss as a company is that they listen to customer feedback. I have suggested enhancements, and they are responsive, making changes for the better, and they do a lot of testing. To improve iboss, although we haven't used it, we considered the VPN solution that comes with the highest tier licensing, which includes DLP and various other add-ons. We prefer using another product which automatically logs you back onto your network when turning on your PC. With iboss, the connection is manual, which doesn't meet our needs. Additionally, sizing can be tricky because, although the initial recommendations may seem adequate, actual usage may require more gateways than anticipated.

Read full review

Charles Slaustas

Information Technology Contractor at Insight global

Supports seamless authentication for users across multiple organizations and personal portals

The features I use in Cisco Duo include Duo Pushes to confirm my identity to the device, and eventually as MFA security was increased, I actually had to use exchange passcodes. Sometimes, I have to go into the site and get into Cisco Duo to retrieve the passcode, and many of them have been two-factor, where the sites send a passcode that I have to enter into Cisco Duo. It has been more of the latter. I have not seen issues with lagging or crashing on Cisco Duo's end; it was usually on the client end, often because someone set up a bad upgrade or there were connection issues with the Cisco Duo cloud through the administrative site.

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Zaheer_Khan

Cybersecurity Senior Program Manager at Dayforce

Secure access has improved remote work and has reduced vulnerabilities across our workforce

Zscaler Zero Trust Exchange Platform probably needs to be more efficient because scanning takes a lot of time. Some vulnerabilities create issues, and when we wanted to identify the source of the vulnerabilities, specifically focusing on mobile ID and related areas, it was unable to provide assistance. However, according to discussions with Zscaler Zero Trust Exchange Platform, they said that by the end of mid-2026, they are exploring these features, and probably those features can be incorporated or embedded into this particular system. That is the only major negative point.In terms of responses, Zscaler Zero Trust Exchange Platform is good. In terms of controlling vulnerability, it is good. The only cons I have noticed is that it is a bit slower, and sometimes it is unable to identify the source. These are the key areas for improvement.

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Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Pros

"The security aspect of the solution, particularly the malware behind it, is excellent. That's something that really helped us out. It's not just a simple proxy that just blocks the insights of potential threats that come on behind it. They do malware detection and that helps us a lot."

"The solution has massively improved our security posture, giving us full visibility into what our staff does online."

"iboss is pretty scalable. They provide good support. The case managers you work with to coordinate what you need are pretty good."

"Content filtering is the most useful feature of iboss."

"Granular setup, which was able to set different levels of filters using the OUs in the AD."

"Its initial setup was straightforward."

"iboss is among the few products providing inline filtering where no application is needed on the device. It operates on the network side and is not device-based. This feature was one of the main reasons why we stayed with them for so long."

"From a use-case scenario, what I like the most is the plug-in. I like the fact that we can do the filtering of these devices offsite independent of the network they are connected to, and we do not have to have traffic coming back inside our network."

More iboss pros

"Multifactor authentication and secure two-factor authentication are the most valuable features. It's been around for a while, but now it's becoming an enforced behavior as opposed to something that you used to do as optional."

"My impression of Cisco's identity intelligence capability to detect and respond to identity-based risks effectively is that it's a great product."

"The most appealing feature of Cisco Duo is the phone notification system that simply pops up on your phone."

"The most valuable feature of Cisco Duo for us is the multi-factor authentication."

"It's pretty easy for users to figure it out."

"I lead an IT organization that has a significant amount of technical debt, and we're not in a zero-trust architecture yet. I'm pushing in that direction. Duo helps me considerably with my identity in an environment where I don't have zero trust. It's helping me bridge the gap until I can build a zero trust architecture."

"Cisco Duo helps minimize the risk of attack vectors and prevents unauthorized access to our data since it's tied with multi-factor authentication, which helps block threats."

"Duo Security gives us an additional layer of security that would give us added confidence that our network will be less likely to get hacked, compromised, or otherwise."

More Cisco Duo pros

"The product's most valuable features are cloud-based services and secure internet access. We don't have to set up any physical appliances."

"The customer service and support are very good."

"The solution offers a simplified network infrastructure and security functions and it enables secure remote access for the users"

"The tool's scalability is good."

"I find all Zscaler Private Access features valuable because each replaces flawed technologies, such as EPAs being replacements for VPN and PR as a replacement for PAM, so I can't mention only one valuable feature. Overall, Zscaler Private Access is a good solution."

"We don't need to connect anymore. It is automatically connected when you log on in Windows."

"Zscaler Cloud DLP provides you with basic DLP features that you get out of the box such as keywords, regular expressions, and data identifiers, for example, your social security numbers, and credit card numbers, with everything built into the product, so you can directly use those features within the policies. You don't need to create it from scratch, and to me, this is the biggest benefit of Zscaler Cloud DLP. You have a lot of templates to choose from in the solution, rather than having to create templates from scratch or reinvent templates."

"The most valuable features of this solution are the CASB solutions, which is protecting their Office 365."

More Zscaler Zero Trust Exchange Platform pros

Cons

"Regarding pricing, setup costs, and licensing, iboss is not cheap, and that's my only concern."

"Sometimes the agent stops working in iboss, and we have to reinstall the agent."

"File integrity monitoring would be very advantageous as an additional feature."

"SSL decryption: We had issues with learners using apps instead of using web browsers. This type of encryption is tough for any appliance in a BYOD environment."

"For zero trust implementation, we encountered complexity issues, especially with a large infrastructure company ExxonMobil."

"Our biggest problem with their service was it did not recognize the device and filtering did not always work correctly."

"One thing I would like to see differently with their Zero Trust platform is that some of the AI aspects related to high-risk activities have more false positives."

"Its pricing could be better."

More iboss cons

"To improve Cisco Duo, the biggest consideration is the licensing standpoint; the most common issue I've found is customers not setting up the Active Directory sync properly, leading to inflated licensing usage when they try to delete inactive users that are still being charged."

"We have users who move throughout the world, and their levels of connectivity change. It can be a challenge, if someone is in Bahrain, to authenticate via Duo."

"Duo Security should better organize its tile feature to organize applications better."

"Often, people do not receive expiration messages, and sometimes, for security reasons, accounts get disabled without notifying the end user, so they mistakenly think something has gone wrong when it really just needs to be re-enabled on the external system."

"I'm unsure how to disable the ping notification sound on my phone when using Cisco Duo."

"For upgrades, there should be a better notification of when they're coming out. We always have a testing phase, so we need to be ahead of it. It takes us longer before we can upgrade to the newest version."

"Integration between Duo Security and FTDs needs improvement. Integrating Next Generation Firewall safety with Duo Security currently requires a proxy agent between Active Directory and the appliance. It's an additional factor that we need to think about. It would be great to have direct integration with FTD so that we don't have to worry about middleware products. For the rest of the Cisco Secure solutions, the APIs need improvement."

"It could be a little bit more intuitive when it comes to the sign-up process. I know they send out an email, but sometimes our users get a little confused. It could be an end-user problem, but Cisco could work on that a little."

More Cisco Duo cons

"The pricing for Private Access seems to be on the expensive side, and I believe they should consider making it more competitive with other solutions."

"Zscaler CASB should include integrations with other SaaS applications."

"The product must allow users to check logs for an entire year in the local console."

"On the improvement side, when we bypass certain internet traffic types, it's currently recommended to have a one-click option, but audio and video aren't always supported. Thus, we need to bypass that kind of traffic. So, it is an area of improvement."

"It has massive room for improvement. The Zscaler product itself is okay, but it doesn't give enough granularity for us as an organization to stipulate rules or processes, especially for data-driven services. For instance, we can stick on SSL inspection, but it's just a click box. It doesn't allow us to go any further into the detail of the SSL inspection. We also can't pull it out without having an additional logging server. It just doesn't give us enough granularity. They should give us more control over the interfaces because it is all backend. They weren't very open to discussing their backend architecture with us in terms of their own data centers. They can maybe a little bit more open about what components are there and how the backend infrastructure works alongside Zscaler. Its licensing can be better. Some of the additional licensing costs are quite high, and they should have certain features ready and available as a baseline rather than having to purchase additional licenses for it. Their support should also be improved. I initially had a consultant from Zscaler for its deployment, but the support that I had throughout the deployment of the project wasn't the best."

"User management can be improved."

"Sometimes, support takes time since the solution has some bugs that need fixing."

"Sometimes applications crash on some machines, and we’d like Zscaler to give us some information as to why that may have happened. We’d like more detailed reports."

More Zscaler Zero Trust Exchange Platform cons

Pricing and Cost Advice

"It is expensive compared to one of its competitors."

"We have not priced the solution recently, but they were competitive with other vendors in the past."

"We had the cost of purchasing a new appliance along with the implementation and licensing costs. However, the following year, the cost of just licensing was similar to what was paid the previous year for a new appliance along with the implementation and licensing costs."

"The overall pricing for iboss is very competitive and transparent."

"It is not expensive, and it is also not cheap. iboss is priced right in the sweet spot for the number of features it offers."

"It is probably in line with other solutions, but I do not deal with the financial side."

"I only need the solution for IT staff, which makes it relatively cheap. If I deployed it for the whole company, it would be costly, so it depends on the number of users. Duo Security is affordable compared to other products in the segment."

"Cisco's licensing is always a bit complicated to understand, but the price is fair. It could be more expensive than others, but the way they integrate everything, it has a fair price."

"You pay per user when using this solution and the pricing is fair."

"It's a bit confusing because we're on a three-year plan with a certain number of licenses, and we've gone over that number. They told us that when we renew, they will add all these licenses. We've expanded quickly, so everyone's kind of scared because no one knows what the bill is with the long pricing cycle."

"I rate the product pricing a seven out of ten."

"From a business perspective, it is a little bit costly. The licensing is on a per-user basis."

"Overall, the pricing is fair. Customers can wrap it into their Enterprise Agreement, making it easier for them to solve their issues."

"It is affordable for what's coming to the table with it, but in this day and age, the cost is looked at under a microscope, and companies need to very finely define what is needed versus what is critical. In some cases, it might not be cost-effective for a company to have it. In a lot of other cases, it is the cost of doing business."

More Cisco Duo pricing and cost advice

"The cost is expensive. It depends on the number of users."

"The technical support is good."

"Zscaler Private Access is extremely expensive."

"Zscaler SASE software is quite expensive compared to other solutions"

"It's an affordable solution"

"The licensing model for Zscaler Cloud DLP allows you to only buy what you need. You don't need to buy it as a whole, so it's good."

"My company is a Zscaler Private Access partner, so the customers pay for the license fees."

"The pricing is quite high, especially when it comes to the gateway."

More Zscaler Zero Trust Exchange Platform pricing and cost advice

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Top Industries

By visitors reading reviews

Financial Services Firm

11%

Computer Software Company

10%

Manufacturing Company

Comms Service Provider

Manufacturing Company

11%

Computer Software Company

Comms Service Provider

Financial Services Firm

12%

Computer Software Company

11%

Manufacturing Company

10%

Insurance Company

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	6
Midsize Enterprise	6
Large Enterprise	5

By reviewers
Company Size	Count
Small Business	34
Midsize Enterprise	18
Large Enterprise	40

By reviewers
Company Size	Count
Small Business	16
Midsize Enterprise	12
Large Enterprise	42

Questions from the Community

What needs improvement with iboss?

For zero trust implementation, we encountered complexity issues, especially with a large infrastructure company Exxon...

See all answers

What is your primary use case for iboss?

Previously when I used iboss, we did the POC for iboss for ExxonMobil. Four or five people wanted to move from our ol...

See all answers

What is your experience regarding pricing and costs for iboss?

Regarding pricing, setup costs, and licensing, iboss is not cheap, and that's my only concern. There are cheaper alte...

See all answers

How does Duo Security compare with Microsoft Authenticator?

We switched to Duo Security for identity verification. We’d been using a competitor but got the chance to evaluate Du...

See all answers

What is your experience regarding pricing and costs for Duo Security?

The pricing of Cisco Duo is quite reasonable compared to other products.

See all answers

What needs improvement with Duo Security?

One downside of Cisco Duo is the expense, as there are clients that can afford only the basic package, which does not...

See all answers

What is the better solution - Prisma Access or Zscaler Private Access?

We looked into Prisma Access before choosing Zscaler Private Access (ZPA). Palo Alto’s Prisma Access is a secure ac...

See all answers

What do you like most about Zscaler SASE?

The most valuable features of Zscaler Private Access are reliability, scalability, and availability.

See all answers

What needs improvement with Zscaler SASE?

The solution needs to improve a lot of aspects.

See all answers

Comparisons

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Compared 12% of the time

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FortiSASE vs iboss

Compared 7% of the time

Akamai Secure Internet Access Enterprise vs iboss

Compared 3% of the time

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Compared 7% of the time

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Compared 7% of the time

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Compared 6% of the time

Yubico YubiKey vs Cisco Duo

Compared 4% of the time

UserLock vs Cisco Duo

Compared 3% of the time

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Cato SASE Cloud Platform vs Zscaler Zero Trust Exchange Platform

Compared 9% of the time

Prisma Access by Palo Alto Networks vs Zscaler Zero Trust Exchange Platform

Compared 5% of the time

FortiSASE vs Zscaler Zero Trust Exchange Platform

Compared 4% of the time

Check Point Harmony SASE (formerly Perimeter 81) vs Zscaler Zero Trust Exchange Platform

Compared 4% of the time

Microsoft Purview Data Loss Prevention vs Zscaler Zero Trust Exchange Platform

Compared 4% of the time

More Zscaler Zero Trust Exchange Platform Competitors

Product Reports

Buyer's Guide

iboss

January 2026

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Buyer's Guide

Cisco Duo

January 2026

Download Cisco Duo product report

Buyer's Guide

Zscaler Zero Trust Exchange Platform

January 2026

Zscaler Zero Trust Exchange Platform report

Download Zscaler Zero Trust Exchange Platform product report

Also Known As

iBoss Cloud Platform

Duo Security

Zscaler SASE, Zscaler DLP, Zscaler CASB, Zscaler CSPM, Zscaler Browser Isolation, Zscaler Posture Control

Overview

Iboss offers a comprehensive cloud-based security platform valued for its scalability and autonomous features, ensuring robust security with easy deployment and management capabilities.

Renowned for its robust security architecture, Iboss integrates seamlessly within diverse networks, delivering efficient granular filtering and advanced content categorization. Its single pane of glass console provides ease of management, allowing rapid scalability suitable for rapidly deploying environments. Operates in BYOD setups due to inline filtering without device installation. Integration with cloud-based applications enhances user control, and features like SASE, SSL inspection, and ChatGPT risk protection stand as highlights. Despite its strengths, users have pointed out areas for enhancement like direct navigation in reports, SSL decryption, and better cloud integration while having room to improve data loss prevention.

What are the most important features of Iboss?

Scalability: Supports rapid deployment across diverse networks.
SASE: A consolidated approach to secure access.
SSL Inspection: Ensures safe data transmission.
Granular Filtering: Detailed control over accessible content.
Single Pane Management: Unifies control through a centralized console.

What benefits should users consider in reviews?

Cost-effectiveness: Offers competitive pricing with robust features.
Autonomous Operation: Reduces management overhead.
Responsive Support: Provides assistance when needed.
Flexible Deployment: Available for both cloud and on-premises environments.

The usage of Iboss spans educational institutions, specifically K-12, to enforce internet policies, protect data, and support remote work environments. It provides web filtering and security frameworks to ensure safe browsing. Its platform-as-a-service model offers flexibility for both cloud-based and on-premises requirements, integrating seamlessly to deliver enhanced security features suitable for various deployment needs including zero trust, CASB, and network security for work-from-home setups.

iboss

Cisco Duo is a cloud-based identity security platform safeguarding critical resources for any user and device worldwide. Known for its ease of use, Duo offers seamless protection across multi-cloud, hybrid, and on-premises environments.

Cisco Duo is designed to secure access with identity-first protection and provides extensive visibility throughout an organization's identity ecosystem. Offering multi-factor authentication, Duo facilitates easy integration and management, allowing teams to protect data effectively on VPNs, applications, and networks. Its single-pane management improves security processes while enhancing trust, making it suitable for diverse IT infrastructures.

What are the key features of Cisco Duo?

Multi-factor Authentication: Strengthens user verification with multiple methods.
Push Notifications: Simplifies authentication with quick approvals.
Single Sign-On: Enhances convenience by allowing one set of credentials.
VPN Access: Secures remote connections with reliable authentication.
User Activity Visibility: Offers comprehensive insights into access patterns.

Which benefits and ROI should users consider?

Quick Deployment: Facilitates rapid integration within existing systems.
Effective Management: Streamlines IT operations with centralized control.
Regulatory Compliance: Aids in meeting industry standards for data protection.
Enhanced Trust: Strengthens security posture across networks.
User-friendly Approach: Simplifies authentication for non-technical users.

In industries like education and finance, Cisco Duo is widely employed to secure multi-factor authentication across platforms such as email, databases, and servers. Its integration capabilities with Microsoft 365, Active Directory, and VPNs like AnyConnect are instrumental in verifying user identities using mobile apps or OTPs, catering effectively to both remote and on-premise environments.

Cisco

Zscaler Zero Trust Exchange enhances security with seamless cloud-based connectivity and VPN-less operation, offering integration with multiple identity providers and advanced security features, suitable for remote work environments.

Zscaler Zero Trust Exchange provides secure, adaptive connectivity without traditional VPNs, allowing organizations to replace legacy systems and bolster remote work security. The platform offers cloud-based protection, single sign-on, dynamic URL categorization, and scalable solutions. While advanced security features like DLP and threat protection enhance data protection, users may face issues with speed, connectivity, and some customization options. Integration challenges, latency due to multi-tenant hosting, reporting delays, and licensing costs require consideration. It supports secure internet access and private application security, ensuring traffic control and data compliance.

What are the key features of Zscaler Zero Trust Exchange?

VPN-less Connectivity: Enables secure remote access without traditional VPNs.
Cloud-based Security: Offers scalable protection utilizing cloud infrastructure.
Single Sign-On: Integrates with multiple identity providers for streamlined access.
Dynamic URL Categorization: Provides real-time URL filtering to enhance security.
Advanced Threat Protection: Detects and mitigates sophisticated threats effectively.
Customizable Policies: Allows tailored security protocols to fit unique requirements.
Comprehensive DLP: Protects sensitive data through robust data loss prevention.
Integration Capabilities: Connects seamlessly with cloud services and applications.

What are the benefits of using Zscaler Zero Trust Exchange?

Enhanced Security: Delivers consistent protection regardless of user location.
Improved Compliance: Ensures adherence to data protection regulations.
Streamlined Access: Simplifies connectivity to private and cloud applications.
Scalability: Supports expanding organizational demands with cloud scalability.
Real-time Visibility: Provides instant insights into security incidents and network traffic.

Zscaler Zero Trust Exchange is deployed across industries to secure remote access and enforce zero trust principles. Organizations in finance, healthcare, and technology sectors utilize it for secure internet access and visibility into cloud applications, enhancing performance and compliance in dynamic environments.

Zscaler

Sample Customers

More than 4,000 global enterprises trust the iboss Cloud Platform to support their modern workforces, including a large number of Fortune 50 companies.

Information Not Available

Siemens, AutoNation, GE, NOV

Buyer's Guide

Cisco Duo vs. Zscaler Zero Trust Exchange Platform

December 2025

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