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Fortinet FortiCASB vs Microsoft Defender for Cloud Apps comparison

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Comparison Buyer's Guide

Executive Summary

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
Sponsored
Ranking in Cloud Access Security Brokers (CASB)
7th
Average Rating
8.4
Reviews Sentiment
7.1
Number of Reviews
19
Ranking in other categories
Secure Web Gateways (SWG) (5th), Internet Security (3rd), Web Content Filtering (1st), ZTNA as a Service (7th), Secure Access Service Edge (SASE) (8th)
Fortinet FortiCASB
Ranking in Cloud Access Security Brokers (CASB)
18th
Average Rating
7.0
Reviews Sentiment
6.7
Number of Reviews
1
Ranking in other categories
No ranking in other categories
Microsoft Defender for Clou...
Ranking in Cloud Access Security Brokers (CASB)
4th
Average Rating
8.4
Reviews Sentiment
7.1
Number of Reviews
42
Ranking in other categories
Advanced Threat Protection (ATP) (14th), Microsoft Security Suite (12th)
 

Mindshare comparison

As of January 2026, in the Cloud Access Security Brokers (CASB) category, the mindshare of iboss is 2.5%, up from 1.7% compared to the previous year. The mindshare of Fortinet FortiCASB is 0.5%, up from 0.4% compared to the previous year. The mindshare of Microsoft Defender for Cloud Apps is 6.9%, down from 10.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Cloud Access Security Brokers (CASB) Market Share Distribution
ProductMarket Share (%)
Microsoft Defender for Cloud Apps6.9%
iboss2.5%
Fortinet FortiCASB0.5%
Other90.1%
Cloud Access Security Brokers (CASB)
 

Featured Reviews

reviewer2701851 - PeerSpot reviewer
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.
VY
Delivery Head - NOC Operations at a tech vendor with 10,001+ employees
Seamlessly customize security features but need improved deployment speed
I find Fortinet FortiCASB easily customizable. It allows me to leverage features that cover almost eighty percent of use cases required by my clients. The compliance management feature supports GDPR and HIPAA compliance, effectively meeting those use cases. The hybrid model of Fortinet offers seamless deployment on cloud or hybrid best suited for customers, making it adaptable in various scenarios.
FV
Security and Continuity Manager at Rolinco NV
Deployment has been seamless with insightful data categorization and enhanced control
The features of Microsoft Defender for Cloud Apps that I have found most valuable include the overall portal view, with bubble graphs which give us insight into what goes where in the categorization, nowadays with Generative AI but all kinds of categorization, collaboration, etc. That central view of the portal is very useful for us. The impact of Microsoft Defender for Cloud Apps on our organization's ability to assess and manage app related risks has been significant because we have more visibility. Therefore, we can add more control, and we have already done so. This was not possible in the old solution, in the old CASB solution with Netskope. We now can see on the spot, and we do that almost weekly, what the end users are utilizing, which cloud providers or cloud apps they're using. The visibility into OAuth apps provided by Microsoft Defender for Cloud Apps is very good. The visibility into risk and risk management of our organization's Generative AI apps is very nice, as you can choose the category Generative AI and then see exactly what traffic has been going to and from Generative AI in the cloud. This makes us very insightful on what is used within the company. We have some policies on blocking specific Generative AI, and we use within our company one particular AI part, which is CoPilot of Microsoft. In this way, we can see what the end users are using other than CoPilot, and that makes us more in control. The effectiveness of the integration of Microsoft Defender for Cloud Apps with Defender XDR and defending against SaaS attacks is very intuitive. It works immediately if we create a new policy or in Purview or in Microsoft Defender for Cloud Apps, or when we make an app unsanctioned by blocking it, then it is almost immediately, or at least within a couple of hours, effective on all the endpoints where the EDR is running. This gives us much better control over things than before.

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."
"I would definitely recommend iboss for web filtering purposes to other organizations or individuals."
"The console is cloud-based, which is something I really appreciate."
"I would rate the technical support of iboss a solid 10 without a shadow of a doubt."
"Content filtering is the most useful feature of iboss."
"It was a very easy product to install. It can be deployed very fast."
"Our primary use case for this product is DLP,"
"Iboss is a solution that prevents advanced persistent threats, and has a zero tolerance for attacks."
"I find Fortinet FortiCASB easily customizable."
"I find Fortinet FortiCASB easily customizable."
"It is very easy to use, which is what we look for in these types of solutions."
"Microsoft Defender for Cloud Apps is very comprehensive, providing a complete 360-degree view of applications within an organization."
"The feature that helps us in detecting the sensitive information being shared has been very useful. In addition, the feature that allows MCAS to apply policies with SharePoint, Teams, and OneDrive is being used predominantly."
"Everything from Microsoft is integrated. You receive regular reports on them all. You can push your reports, logs, and security alerts, which are all integrated. It is crucial that these solutions work natively together to deliver coordinated detection and response across our environment."
"The product’s most valuable feature is SQL database."
"I would rate it a ten because I have not experienced any stability issues so far with Defender for Cloud Apps."
"The most valuable feature of this solution is its monitoring."
"If your business requirements are relatively simple, it can get the job done."
 

Cons

"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."
"I am currently doing a PoC of the zero trust aspect of it. Compared to other similar solutions, it is hard to get around each feature. It takes a while to get used to it."
"The dashboards for local use could be better."
"For zero trust implementation, we encountered complexity issues, especially with a large infrastructure company ExxonMobil."
"If they could implement an extra security layer preventing access to iboss from the open internet, it would be great."
"Regarding pricing, setup costs, and licensing, iboss is not cheap, and that's my only concern."
"To scale up, a new iboss Node Blade Chassis must be purchased."
"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."
"The turnaround time to deploy Fortinet FortiCASB could be improved. The learning curve for deploying, configuring use cases, and rules can be better."
"The turnaround time to deploy Fortinet FortiCASB could be improved."
"There could be more granular roles that are out of the box included in the product."
"The integration with macOS operating systems needs to be better."
"I believe it's only set to be integrated with Microsoft Defender for identity and identity protection. I would like to see it available for use with something like Office 365 Defender. I don't think it's integrated with that yet."
"Sometimes, we'll get false positive alarms. For example, when a SharePoint path has no file sharing, but there is an external user, it will trigger an alarm that the file has been shared with an external user... the alerting mechanism should be more precise when giving you an alert about what activity has been done with the file..."
"Sometimes the support is actually lacking."
"Generally, the pricing can always be improved along with the management system."
"It doesn't actually decrease the time to respond. This has been an issue with Microsoft recently. Sometimes, there is a delay when it comes to getting an alert policy email... Sometimes it takes two or three hours for that email to be sent."
"I would prefer to have filtering options incorporated within the policies, enabling the solution to perform tasks beyond mere blocking or allowing."
 

Pricing and Cost Advice

"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."
"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."
"We have not priced the solution recently, but they were competitive with other vendors in the past."
"It is expensive compared to one of its competitors."
"The overall pricing for iboss is very competitive and transparent."
Information not available
"The pricing is fair."
"Our clients normally use the Microsoft E1 licensing, which is renewed yearly."
"It is a little bit expensive. When you want to have the complete package with Office 365, Defender, and everything else, it is expensive."
"This product is not expensive."
"The price could be better and should be reconsidered."
"We utilize the Microsoft E5 licensing, which encompasses the entire Microsoft suite; however, it is costly."
"The product's pricing seems fair."
"We have an educational licensing agreement. It's a customer agreement for multiple years."
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Top Industries

By visitors reading reviews
No data available
No data available
Financial Services Firm
11%
Computer Software Company
11%
Manufacturing Company
8%
Government
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise6
Large Enterprise5
No data available
By reviewers
Company SizeCount
Small Business15
Midsize Enterprise10
Large Enterprise19
 

Questions from the Community

What needs improvement with iboss?
For zero trust implementation, we encountered complexity issues, especially with a large infrastructure company Exxon...
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...
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...
What is your experience regarding pricing and costs for Fortinet FortiCASB?
The price point could be better, and improvements are desired in staying on top of evolving threats while keeping cos...
What needs improvement with Fortinet FortiCASB?
The turnaround time to deploy Fortinet FortiCASB could be improved. The learning curve for deploying, configuring use...
What is your primary use case for Fortinet FortiCASB?
My primary use case for Fortinet FortiCASB is threat management and managing external threats. I predominantly use it...
Which is the better security solution - Cisco Umbrella or Microsoft Cloud App Security?
Cisco Umbrella is an integral component of the Cisco SASE architecture. It integrates security in a single, cloud-nat...
What is your experience regarding pricing and costs for Microsoft Cloud App Security?
At the time of implementation, when the size of our organization was small, it was a more affordable product. Since a...
What needs improvement with Microsoft Cloud App Security?
The fidelity of the signal in Microsoft Defender for Cloud Apps has been a challenge in some areas. There have been i...
 

Also Known As

iBoss Cloud Platform
FortiCASB
MS Cloud App Security, Microsoft Cloud App Security
 

Overview

 

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.
Rollins
Customers for Microsoft Defender for Cloud Apps include Accenture, St. Luke’s University Health Network, Ansell, and Nakilat.
Find out what your peers are saying about Palo Alto Networks, Cisco, Netskope and others in Cloud Access Security Brokers (CASB). Updated: January 2026.
881,082 professionals have used our research since 2012.