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 #3 with an average rating of 8.8, while Zscaler is ranked #1 with an average rating of 8.4. Cisco holds a 2.3% mindshare in ZaaS, compared to Zscaler’s 14.8% mindshare. Additionally, 97% of Cisco users are willing to recommend the solution, compared to 98% of Zscaler users who would recommend it.

Comparison Buyer's Guide

Download the report

Executive SummaryUpdated on Feb 8, 2026

Cisco Duo and Zscaler Zero Trust Exchange Platform compete in the cybersecurity space, each offering unique features and services to enhance network security. Based on the comparisons, Cisco Duo takes an edge with its ease of deployment and customer service, whereas Zscaler's strength lies in integration and connectivity features.

Features: Cisco Duo offers multi-factor authentication (MFA) with options beyond smartphones, making it flexible for all users. Its cloud-based management supports VPN security through a single-pane-of-glass interface. For Zscaler, its Zero Trust Exchange Platform excels with seamless VPN-centric connectivity, security features like Data Loss Prevention (DLP) and Cloud Access Security Broker (CASB), and easy cloud integration.

Room for Improvement: Cisco Duo could improve by removing the telephony credits system and extending on-premises support. Compatibility with additional products would also enhance its offering. Zscaler needs to work on connection stability and support for legacy systems. Introducing a single-tenant option and pricing adjustments would better position it in the market.

Ease of Deployment and Customer Service: Cisco Duo's deployment is simple in cloud and hybrid environments, and its customer service is noted for promptness and informativeness. Zscaler, while also easy to deploy across diverse cloud setups, faces challenges with slower technical support response times.

Pricing and ROI: Cisco Duo is reasonably priced considering its comprehensive functionality, though it's not the cheapest option. It offers significant ROI through enhanced security. Zscaler Zero Trust Exchange Platform, seen as costly, provides pricing benefits for larger user bases, with value anchored in strong security returns and reliable user protection.

To learn more, read our detailed Cisco Duo vs. Zscaler Zero Trust Exchange Platform Report (Updated: February 2026).

Buyer's Guide

Cisco Duo vs. Zscaler Zero Trust Exchange Platform

February 2026

Download the complete report

Helped 883,044 peers since 2012

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 March 2026, in the ZTNA as a Service category, the mindshare of iboss is 2.4%, up from 1.7% compared to the previous year. The mindshare of Cisco Duo is 2.3%, down from 2.3% compared to the previous year. The mindshare of Zscaler Zero Trust Exchange Platform is 14.8%, down from 17.7% 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	14.8%
Cisco Duo	2.3%
iboss	2.4%
Other	80.5%

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.

Read full review

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.

Read full review

Quotes from Members

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

Pros

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

"iboss has significantly lowered the number of security incidents. It is crazy how much it blocks and how much it is aware of the outside danger."

"We were impressed by the solution's mental health function, which can detect if someone needs help. It scans what users are browsing and flags warning signs so we can check to see if they are okay. We've had to use it a couple of times."

"I would definitely recommend iboss for web filtering purposes to other organizations or individuals."

"I would rate the technical support of iboss a solid 10 without a shadow of a doubt."

"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."

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

"The iboss system is highly reliable. The false positive rates are small compared to some other systems we've experienced through other partner agencies who use competing solutions."

More iboss pros

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

"The two-factor authentication is valuable because that is the use case for which we are using it."

"I appreciate the simple login feature of Cisco Duo; being able to log into your actual page and then having all your apps there is convenient."

"Regarding the valuable features, I would say that Duo Security is easy to use, has speed, and is dependable."

"I appreciate the secured push feature of Cisco Duo, which requires you to choose a number, because it enhances the security of your users, especially when combined with geolocation for a Verified Push, benefiting my company and our customers by making logins much more secure."

"Cisco Duo seems very scalable; in my last contracting position, it was a large one for a major worldwide airline that had hundreds of thousands of devices that could use Cisco Duo, and it scaled very well."

"The most valuable features of Duo Security are visibility and OTP authentication. The OTP is very important because it is a self-enrollment feature, you are able to enroll users very quickly with a shorter time period."

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

More Cisco Duo pros

"The most valuable feature of Zscaler Private Access is the categorization of the dynamic URLs which keeps the customer's environment protected. The threats and the malware are correctly categorized."

"From a cost perspective, I would say fair market value, and then from an efficiency perspective, I notice a very good user experience, which is easy to use with Zscaler Zero Trust Exchange Platform."

"The product’s most valuable features are inbound and outbound scanning and API control."

"With SASE, we have a single platform that covers multiple task services with which we need to control access. All the features are equally valuable."

"It does the job. What it is needed for. I can use it for VPN, I can use it for secure connections, I can use it as a firewall. So the solution does the job."

"Has a good zero trust feature."

"The platform offers advanced threat protection features and embedded AI/ML capabilities, making it more proactive in blocking threats."

"The solution is cloud-based with the latest inspection engines, which I find to be amazing."

More Zscaler Zero Trust Exchange Platform pros

Cons

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

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

"The reporting feature needs improvement."

"Our iboss subscription access should be more secure with an OTP or VPN etc. It is easy to gain access if, for example, hackers obtain my username and password."

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

"If they could implement an extra security layer preventing access to iboss from the open internet, it would be great."

"The area I would like to see improvement in is the ability with in the reporter to navigate directly to the content the user is traversing. It is kind of there, but it's not perfect. Quite frequently, I receive links that lead me to pages with error messages."

"I'd like to see them accelerate development on the security side, particularly around data loss prevention."

More iboss cons

"We were considering purchasing other products, like AMP for Endpoints, and it was not properly integrated with the firewall function. It might be better now with SecureX."

"The product could be more intuitive on the app."

"The only thing I can think of to improve for tech support is to have a dedicated engineer but then I would get an engineer that has priorities in one area or another and maybe not the scope I need."

"Duo Security could improve by being more compatible with other vendors."

"The cost will become expensive for large user accounts."

"I believe there are two new features. I am interested in adding auto-admin services and incorporating icons for easier navigation. This could contribute to a new business idea platform. I have seen the features, and they make things easier, resolving issues from before. The platform has been updated, and there's now another link in my platform for media access. When it comes to improvements, the UI can be more user-friendly, and there is room for easier navigation. Perhaps there could be enhancements in customization. I haven't faced issues in storage or backup, but I am open to improvements in customization functionality. It's not my environment, but I see possibilities for improvement in the deployment of funds. The addition of new features is appreciated, and for customization, it could provide more freedom for users."

"One downside of Cisco Duo is the expense, as there are clients that can afford only the basic package, which does not include Geo-fencing, leaving them unable to pay for the more expensive level, which I do not feel justifies the double price of that upper tier version."

"My experience with Cisco Duo's strong security authentication system is that sometimes there are difficulties, and sometimes users just won't be able to log in. We have to reset their password so they can use Duo."

More Cisco Duo cons

"While Zscaler supports client-initiated connections, it does not support server-initiated connections. This is a feature that Zscaler may consider adding in the future."

"The only issue with Zscaler Cloud DLP is that it only gives you DLP protection from web traffic, which is flowing out, while a full-blown DLP solution such as Forcepoint or Symantec gives you DLP coverage for multiple channels. Zscaler Cloud DLP doesn't give you coverage for email, fax, and USB channels, and this is the only challenge or room for improvement in the solution. It's just an extension on top of what you're buying on the proxy, so it's just an added layer, and it doesn't cover DLP on a very broad level. I'm unsure if Zcaler is in the business of competing with a full-blown DLP solution, and if there's a plan to expand the features of Zscaler Cloud DLP beyond the web channel because you'll have to deploy a full-blown agent for it. I'm unsure if this is on the cards because the solution is just an added layer that you get with your proxy. I've asked the Zcaler team whether there's a plan to go full DLP in the future, but I didn't get a positive response. There isn't any feature I'd like added to Zscaler Cloud DLP currently, because anything you could think of that should be in cloud or SaaS solutions is already there, except for machine learning, as it's the only functionality that seems to be lacking in the solution. Machine learning is an additional policy available in other DLP solutions in the market, but my team didn't find it in Zscaler Cloud DLP."

"The DX layer could be better if it had improved visibility."

"More on-prem infrastructure is required when Zscaler Private Access is to be implemented as a single point of entry."

"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."

"There aren't really any missing features that I have witnessed."

"We have issues with the tool's maintenance and networking. It should be able to work in offline mode as well."

"Zscaler Private Access could improve by improving external access. If external parties want to access locally to my company's services, we need to onboard them into our domain, otherwise, it doesn't work. Additionally, if their company also has Zscaler Private Access, then it doesn't work. They need to log in with our domain ID, not their company ID."

More Zscaler Zero Trust Exchange Platform cons

Pricing and Cost Advice

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

"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 expensive compared to one of its competitors."

"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."

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

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

"Our licensing fee is currently on an annual basis."

"Duo Security's pricing is good, fair, and very comparable to today's market."

"I believe the licensing model is excellent as it offers flexibility to our customers, allowing them to adopt a crawl, walk, or run approach."

"During testing we are allowed a certain number of licenses for free."

"From a reseller perspective, it's still challenging to explain the whole license strategy to a client, so we really have to be ahead of that for all the true forward conversations."

"The pricing is pretty competitive. It's pretty cheap. Anybody can adopt it."

"With regard to pricing, for a small business buying a one off, it's pretty expensive. If it's an enterprise that has thousands of employees, however, it's really nothing to protect your data because if your network goes down or it's breached, you're losing millions of dollars every minute. When it comes to a large enterprise, it's priced where it should be because you're talking business to business. You're not talking business to consumer."

"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."

More Cisco Duo pricing and cost advice

"The solution has increased prices this year."

"The product is a little more expensive than other tools."

"It's an affordable solution"

"It has been relatively reasonable for what it does. Some of the additional license costs based on the advanced next-generation firewall functions are quite high, and they should have certain features ready and available as a baseline rather than having to purchase additional licenses for it. Overall, the cost seems reasonable."

"Zscaler DLP solution is expensive, with a fixed pricing structure that is billed annually and monthly. There are no additional costs for licenses."

"Zscaler CASB is an expensive solution."

"The product has reasonable pricing."

"The technical support is good."

More Zscaler Zero Trust Exchange Platform pricing and cost advice

See which vendors are best for you

Use our free recommendation engine to learn which ZTNA as a Service solutions are best for your needs.

See recommendations

883,044 professionals have used our research since 2012.

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

Financial Services Firm

Comms Service Provider

Financial Services Firm

13%

Computer Software Company

10%

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	6

By reviewers
Company Size	Count
Small Business	41
Midsize Enterprise	23
Large Enterprise	53

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?

Compared to other vendors, Cisco Duo is on the pricey end. However, the other vendors do not have the wide range of f...

See all answers

What needs improvement with Duo Security?

The primary issue is adoption. When I used to work for Deloitte, I did consulting and advisory for at least 95 of the...

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

Netskope vs iboss

Compared 12% of the time

Prisma Access by Palo Alto Networks vs iboss

Compared 9% of the time

FortiSASE vs iboss

Compared 8% of the time

Cisco Umbrella vs iboss

Compared 6% of the time

Cloudflare One vs iboss

Compared 4% of the time

More iboss Competitors

Microsoft Entra ID vs Cisco Duo

Compared 7% of the time

Fortinet FortiAuthenticator vs Cisco Duo

Compared 7% of the time

Fortinet FortiToken vs Cisco Duo

Compared 5% of the time

Yubico YubiKey vs Cisco Duo

Compared 4% of the time

RSA Authentication Manager vs Cisco Duo

Compared 3% of the time

More Cisco Duo Competitors

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 5% 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

February 2026

Download iboss product report

Buyer's Guide

Cisco Duo

February 2026

Download Cisco Duo product report

Buyer's Guide

Zscaler Zero Trust Exchange Platform

February 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

February 2026

Free Report: Cisco Duo vs. Zscaler Zero Trust Exchange Platform

Find out what your peers are saying about Cisco Duo vs. Zscaler Zero Trust Exchange Platform and other solutions. Updated: February 2026.

DOWNLOAD NOW

883,044 professionals have used our research since 2012.

See our Cisco Duo vs. Zscaler Zero Trust Exchange Platform report.

See our list of best ZTNA as a Service vendors.

We monitor all ZTNA as a Service reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.