Cisco Umbrella vs Mimecast Web Security comparison

Cisco and Mimecast are both solutions in the Secure Web Gateways (SWG) category. Cisco is ranked #1 with an average rating of 9.2, while Mimecast is ranked #38. Cisco holds a 15.1% mindshare in WSG, compared to Mimecast’s 0.3% mindshare. Additionally, 97% of Cisco users are willing to recommend the solution, compared to 100% of Mimecast users who would recommend it.

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Executive SummaryUpdated on Dec 28, 2025

Cisco Umbrella and Mimecast Web Security are in the cybersecurity domain, providing proactive threat protection and management. Mimecast Web Security appears to have the upper hand due to its comprehensive feature set despite higher costs.

Features: Cisco Umbrella includes DNS-layer security, extensive threat intelligence, and ease of integration. Mimecast Web Security offers robust email security, advanced threat protection, and efficient policy management.

Ease of Deployment and Customer Service: Cisco Umbrella has an easy deployment model with strong customer service for smooth integration. Mimecast Web Security, though more complex, offers detailed support and documentation.

Pricing and ROI: Cisco Umbrella provides competitive pricing with flexible plans and transparent costs. Mimecast Web Security, though more expensive, justifies its pricing with extensive features and promising protection returns.

To learn more, read our detailed Secure Web Gateways (SWG) Report (Updated: January 2026).

Buyer's Guide

Secure Web Gateways (SWG)

January 2026

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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 January 2026, in the Secure Web Gateways (SWG) category, the mindshare of iboss is 2.4%, up from 1.9% compared to the previous year. The mindshare of Cisco Umbrella is 15.1%, down from 19.2% compared to the previous year. The mindshare of Mimecast Web Security is 0.3%, up from 0.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Secure Web Gateways (SWG) Market Share Distribution
Product	Market Share (%)
Cisco Umbrella	15.1%
iboss	2.4%
Mimecast Web Security	0.3%
Other	82.2%

Secure Web Gateways (SWG)

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.

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Emilio Montoya

CTO at PROA

Ensures internet navigation safety and boosts productivity

The features of Cisco Umbrella I prefer most are DNS protection and traffic redirect. With Cisco Talos's threat intelligence, we reduce the impact of malware traffic in our network, and we currently see the behavior of equipment and choose the correct sites. Cisco Talos has helped us reduce the impact of malware traffic. We can see the behavior and choose the correct sites. We're currently testing secure access with Umbrella in order to secure access to core applications. It's a product that the user doesn't even know is there, even though it is protecting them. It's not hard on the equipment. And, for us, it centralizes everything, which improves productivity. With the Experience Insights feature of Cisco Secure Access, we've seen impacts on the management of user connectivity by allowing us to deliver safe connectivity. We are testing the Secure Access product with Cisco Umbrella to improve our connectivity with our users in order to secure access to the corporate applications. Cisco Umbrella is in the cloud, which is nice.

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reviewer2500197

IT Manager at a logistics company with 201-500 employees

Email security has protected critical communication but hyperlink handling still needs improvement

We have been using Mimecast Web Security for quite a lot of years. Regarding the analytics part you asked and what metrics are most valuable for monitoring web activities in our case, we am not dealing with the monitoring; that's our MSP who does the majority of the monitoring on our behalf. Regarding the reporting part, I have seen the original reports from Mimecast Web Security, which seem to be quite heavy in terms of information. With the MSP, we are just reviewing and discussing what is necessary. If there is a concern, that is dealt with MSP immediately rather than waiting for formal conversations. However, I think the Mimecast report is fine and easy to read. It is hard for me to say whether the installation is easy or complex, as I wasn't involved; it was done by our MSP. I am the end customer of Mimecast Web Security, not a consultant.

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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

"Its initial setup was straightforward."

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

"First of all, the security policies are essential. I do not have to rely solely on Active Directory for our users."

"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."

"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."

"iboss is among the few products providing inline filtering where no application is needed on the device."

"Because of iboss, I did not have to assign web filtering tasks to my techs on a daily basis."

More iboss pros

"Cisco Umbrella is easy to monitor, manage, and deploy."

"It offers good visibility for the Administrator. The administrator has full visibility of what is blocked or has the knowledge of where users go when they are surfing the internet."

"One of the most important features is the security posture check which Umbrella offers when a user accesses any website. That is one of the most unique features that it offers."

"It has excellent resilience in cybersecurity. Cybersecurity for my organization is very important because we are a banking organization. We need this security to protect the personal information of our clients. This is very important for our security."

"Any time someone went off the network, the AnyConnect client had the Umbrella agent built in, and it would realize when their computer connected that they were not on the corporate network. It would monitor and they would have pretty close to the same rules that they had to follow when they were in the office, regarding what kind of website browsing they could do."

"Cisco's support is fantastic, providing assistance when needed, especially during the initial installation process."

"The customer service and technical support of Cisco Umbrella are great."

"Stability-wise, it's good. I have never encountered any bugs."

More Cisco Umbrella pros

"If I had to mention one or two things that bring the biggest benefit, I would say the security of the emails and dealing with everything."

Cons

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

"The dashboards for local use could be better."

"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."

"To scale up, a new iboss Node Blade Chassis must be purchased."

"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."

"Their on-premise hardware's network interface is capped at one gigabit, which is sort of a problem. If you stand a filter up where all traffic flows through that, according to them, in order to go above a gigabit, you have to have multiple devices, which in today's IT seems a little bit silly. They could easily put in an SFP port into their device that could accommodate 10 gigs or at least offer a box."

"Fold that in with the risk intelligence they're getting from all of the different subscriptions they are a part of. Now, these security companies subscribe to things like emerging threats, databases, etc. You can fold all this intelligence to decide what's happening on an endpoint. I would love to see them start moving into that space. That would compete directly with Microsoft. Maybe that's why they haven't. Having that ability native within the solution would be great. The other area in which I would love to see improvement is more detailed descriptions of why they block websites."

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

More iboss cons

"The main issue that we have is with the final steps or the full integration and getting rid of Zscaler. The company still has to fall back to Zscaler when something in Umbrella is not working as expected, such as when we enable SSL inspection. When something is not working 100%, the company is falling back to Zscaler."

"The firewall capabilities could be better. Cisco is starting to introduce some layer 7 capabilities now, but there's still some room to grow. They should continue with the development of Umbrella so that it is a full-blown cloud-managed firewall solution."

"There are some situations where we would like to block things for specific user groups. I know that Umbrella does that, but it's not that easy.... when you want a specific task for specific rules and policies for user groups, you have to go three levels down in the menu, and it's hard to find where you do that task."

"We need to work on integration as it is very complex."

"The integration with Cisco could be better."

"There are a couple of interface issues. I know that they say that there are feature enhancements that are noted. For example, we've got the Cisco Meraki security appliances, and there, we geofence our company to where we're allowed to send and receive traffic. So, in our case, by default, we only allow traffic to six different countries, which allows us to effectively prevent traffic for the majority of bad players in the world, but they don't give you an easy way to do that in Cisco Umbrella. With Cisco Meraki, I can specify or pick the countries. I can say that I want to only allow traffic from these six countries, and I'm done. With Cisco Umbrella, I have to rely on the fact that they're going to prevent traffic to other countries. They're going to decide if it's good or bad."

"Customization for basic users can be complex, as it is targeted toward only technical users."

"With any Cisco product, it's the licensing side of things that needs improvement."

More Cisco Umbrella cons

"Certainly, the primary area needing improvement is Mimecast's customer support. Our experience as Mimecast customers has been less than satisfactory. Even when raising a priority ticket, the response time is unacceptably long, often taking around five to six hours. This level of service is disappointing. Additionally, there have been recurring service disruptions in the UK region, leading to extended email delays due to various service issues. This year alone, we've encountered such problems on approximately four occasions."

"As for areas for improvement within Mimecast Web Security, I believe there is quite a lot that can be improved."

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."

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

"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."

"I rate the tool's pricing a five out of ten."

"There are no hidden costs with Umbrella. Everything is included in the package."

"Licensing fees are paid on a yearly basis."

"Our licensing fees are on a yearly basis."

"You get what you pay for."

"The pricing was marvelous."

"There are three models for licensing with different feature sets."

"We have a security Enterprise Agreement with Cisco, so the pricing is good."

More Cisco Umbrella pricing and cost advice

"Two subscription options are currently offered: monthly and yearly. My suggestion is to opt for the yearly subscription as it can give some discount. The pricing isn't high as other cloud solutions are pricier than Microsoft's offerings."

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Top Industries

By visitors reading reviews

No data available

Computer Software Company

13%

Manufacturing Company

Financial Services Firm

Healthcare Company

No data available

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	49
Midsize Enterprise	30
Large Enterprise	51

No data available

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

Which is the better security solution - Cisco Umbrella or Zscaler?

Cisco Umbrella and Zscaler Internet Access are two broad-spectrum Internet security solutions that I have tried. Zs...

See all answers

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...

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What do you like most about Cisco Umbrella?

Cisco Umbrella is easy to monitor, manage, and deploy.

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Comparisons

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Compared 9% of the time

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Compared 7% of the time

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Compared 6% of the time

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Compared 18% of the time

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Compared 9% of the time

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Compared 5% of the time

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Compared 5% of the time

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Compared 33% of the time

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Product Reports

Buyer's Guide

iboss

January 2026

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Buyer's Guide

Cisco Umbrella

January 2026

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Buyer's Guide

Secure Web Gateways (SWG)

January 2026

Download Mimecast Web Security product report

Also Known As

iBoss Cloud Platform

OpenDNS

No data available

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 Umbrella provides fast-deploying DNS-layer security with powerful threat protection capabilities. Trusted by over 30,000 entities, it ranks highly in DNS security and effectively supports secure remote work environments.

Cisco Umbrella offers comprehensive DNS security, web filtering, and ease of use, enhancing network security through robust threat protection and malware prevention. It processes over 600 billion requests daily, making it a leader in its field. The seamless integration with existing infrastructures and cloud-based nature makes it suitable for remote and distributed work environments, ensuring consistent security throughout. Management is streamlined with a single-pane interface that simplifies administration, while in-depth reporting capabilities provide valuable insights for continuous monitoring.

What are the key features of Cisco Umbrella?

DNS Security: Provides leading protection by managing DNS queries and blocking malicious sites.
Web Filtering: Offers granular control over web content to safeguard internet usage.
Ease of Integration: Fits well into existing infrastructures, simplifying deployment and use.
Intuitive Management: Single-pane management streamlines administration and enhances usability.
Cloud-Based Flexibility: Supports secure remote work environments.

What benefits can users expect from using Cisco Umbrella?

Superior Threat Protection: Reduces risk by effectively detecting and preventing cyber threats.
Consistent Security: Provides uniform protection across network environments.
Efficiency and Visibility: Leverages comprehensive reporting for better security insights.
Easy Deployment: Quick and straightforward setup with minimal disruption.

Cisco Umbrella is widely adopted in industries requiring advanced DNS-level security to counteract malware, phishing, and cyber threats. Its ability to monitor and protect remote and roaming employees makes it an attractive option for sectors highly dependent on cloud services. By managing DNS queries and blocking harmful sites, Cisco Umbrella enhances cybersecurity across networks, providing an added layer of protection for businesses worldwide.

Cisco

Essential cloud web security to keep you protected

The web is a persistent and growing area of cybersecurity risk, as threat actors know it presents unlimited opportunities for launching attacks. Protect your employees from malicious websites and applications with a fully cloud-based solution. Integration with Mimecast Email Security streamlines protection to lower the overall cost and complexity of reducing risk for the two largest threat vectors – email and web.

Make the web safer for your employees with Mimecast's Cloud Web Security

Mimecast’s Web Security solution empowers you to mitigate web and cloud application risks with effective protection against online threats. It’s also simple to set up and easy to manage.

Mimecast

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.

Chart Industries, City of Aspen, Eastern Mountain Sports, FLEXcon, George Washington University, Jackson Municipal Airport Authority, Ohio Public Library Information Network, PTC, Richland Community College, Smart Motors, Tulane University, VeriClaim

Aftercare, Growthpoint Properties, Vistaprint, Lodders, Methodist Le Bonheur Healthcare, UK bank

Buyer's Guide

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January 2026

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