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Mimecast Advanced Email Security vs Symantec Edge Secure Web Gateway comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Jun 2, 2026

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 Secure Web Gateways (SWG)
5th
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
22
Ranking in other categories
Internet Security (3rd), Web Content Filtering (1st), Cloud Access Security Brokers (CASB) (7th), ZTNA as a Service (8th), Secure Access Service Edge (SASE) (8th)
Mimecast Advanced Email Sec...
Ranking in Secure Web Gateways (SWG)
15th
Average Rating
8.0
Reviews Sentiment
6.0
Number of Reviews
40
Ranking in other categories
Email Archiving (2nd), Office 365 Protection (2nd), Secure Email Gateway (SEG) (3rd)
Symantec Edge Secure Web Ga...
Ranking in Secure Web Gateways (SWG)
47th
Average Rating
0.0
Reviews Sentiment
6.7
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of June 2026, in the Secure Web Gateways (SWG) category, the mindshare of iboss is 3.4%, up from 2.0% compared to the previous year. The mindshare of Mimecast Advanced Email Security is 0.7%, up from 0.4% compared to the previous year. The mindshare of Symantec Edge Secure Web Gateway is 0.3%, up from 0.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Secure Web Gateways (SWG) Mindshare Distribution
ProductMindshare (%)
iboss3.4%
Mimecast Email and Collaboration Threat Protection0.7%
Symantec Edge Secure Web Gateway0.3%
Other95.6%
Secure Web Gateways (SWG)
 

Featured Reviews

Ashok Ananthula - PeerSpot reviewer
Senior Consultant Proxy Engineering at a financial services firm with 10,001+ employees
Cloud gateway has strengthened remote web security and now needs better Mac and ISP support
The problem our organization had is that iboss failed for the Mac devices. It is not able to give a successful agent for the Mac agents. That is where in 2025, we had to migrate to the Palo Alto-based platform. If your use case is for just Windows laptops,you can consider this platform as an option One issue is the data center resiliency part. In India especially, they are not tied up with the Tier 1 ISPs like Tata or Airtel; they were having Tier 2 ISPs and encountered many issues reaching few major sites that my organization depends on, and they were having problems that they could not fix quickly. They also lack a mechanism to route that traffic within their data center; rather, they ask customers to make a pac file change to route it to Singapore explicitly. It would be better if they route from their backend , i mean even if I send it to India DC, they should be able to route it internally to make that work; however, they fail to do that and ask the customer to route it in the pac file. Another suggestion is that in China, they do not have the proper setup; they used to have numerous problems with slowness and lack of premium circuits in China as well. That leads to multiple sites working slowly with latency-related issues. So the main issue is the ISP-related problems that need to be solved.
Ravishankar KumarPatel - PeerSpot reviewer
Solution Architect Cybersecurity at Microland Limited
Email defenses have reduced phishing risk and support strong compliance and user awareness
The improvement needed is not necessarily in the product itself, but rather around how other organizations have evolved. The DLP discussion is no longer limited to email; it has gone to border level with companies like Zscaler, Netskope, and Palo Alto giving the complete full-stack SASE setup. When somebody has a SASE setup, then Mimecast Advanced Email Security DLP might not even be needed at a point in time. Mimecast Advanced Email Security needs to improve in this area because they are only focusing on a particular set of problems which is on email and human risk, whereas companies that need a slightly bigger picture will look elsewhere. The second thing is when you buy an XDR provider, they give you a complete holistic story around it, showing what has happened, which email somebody has clicked on, whether there have been any changes, and whether there is any network activity. You get a holistic picture. When pushing Mimecast Advanced Email Security to end customers, people are more often saying that they would rather buy XDR from another provider because the story when an analyst sees is complete in terms of what they see, whereas they only get an email story from Mimecast Advanced Email Security. Mimecast Advanced Email Security has to improve there. Companies like Abnormal AI cover more on UEBA and user behavior, and there are many things for Mimecast Advanced Email Security to improve in this area as well. It is less of a technology issue; they are doing very well on email. The conversation for them to have is on how to get into a broader level or how to get a tie-up to become a broader supplier. At least from a service provider landscape, I can say that.
reviewer1597452 - PeerSpot reviewer
Senior Systems Engineer at a logistics company with 11-50 employees
A solid proxy appliance that works very quickly and is easy to set up
It is a normal proxy, but it is very fast. The appliance operating system is not a normal Linux Unix-based operating system. It has a special fileless operating system. Its best function is that it is very fast and has a caching function. It can be used as a forward and reverse proxy as well. The reverse proxy function is very good, and the solution can be integrated with DLP, content analyzer systems, and malware analyzer stems. Now, it has a brand new web-based graphical user interface, which is very good. Earlier, it had a Java-based GUI, which was not the best. Broadcom introduced a new web gateway, a new cloud-based web gateway called WSS.

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."
"I would rate the technical support of iboss a solid 10 without a shadow of a doubt."
"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."
"As I mentioned, the return on investment is significant, as it saved our office locations' bandwidth because when you are working remotely at home, your internet traffic routes directly to iboss and will not go to your office building, saving bandwidth bottlenecks and ensuring that issues with our building internet circuits will not impact your internet connectivity because you are directly going to the iboss data center."
"It was a very easy product to install. It can be deployed very fast."
"First of all, the security policies are essential. I do not have to rely solely on Active Directory for our users."
"Granular setup, which was able to set different levels of filters using the OUs in the AD."
"Technical support is pretty sharp and very responsive."
"Mimecast has some good support services in place."
"It has all the features required for distribution, such as the ability to mail."
"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."
"Email security is the most valuable feature of the solution."
"The Large File Send feature comes in handy when you have to send fairly large attachments."
"The initial setup is easy."
"I have always found Mimecast to be very responsive; for example, if we see something come through, they address it and it helps to sort out the issues."
"The solution offers good technical support."
"It is a normal proxy, but it is very fast."
 

Cons

"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."
"Sometimes when you call in support, you get someone who is just following a sheet. It feels like a runaround. You feel that you are running into that support wall."
"The endpoint-type solution is an area that needs some improvement."
"Iboss is growing so fast that it is often hard for them to keep up with the challenges."
"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."
"If they could implement an extra security layer preventing access to iboss from the open internet, it would be great."
"The reporting feature needs improvement. It doesn't give you the expected results. It is quite difficult to get the specific reports needed, and it is not as intuitive as the rest of the platform."
"Regarding pricing, setup costs, and licensing, iboss is not cheap, and that's my only concern."
"We have subscribed to an archival service, and yet, when we have to get our data out, we have to pay a fee to get our own data. They charge an extraction fee."
"Mimecast Advanced Email Security needs to improve in this area because they are only focusing on a particular set of problems which is on email and human risk, whereas companies that need a slightly bigger picture will look elsewhere."
"The solution should include more AI features instead of Mimecast's more general static configuration tooling."
"The interface and the documentation could be improved. They can also include some more training resources and content like video. While setting things up, I had to search for the information quite a bit. It took me time to find the correct way to do something. The information is there, but it is sort of all over the place. They can create a better help knowledge base or help portal. It retains your email for 45 days. They can maybe increase this duration."
"Many of our users complain that the system is blocking too many attachments. It's a good practice from a security perspective, but our users think Mimecast is doing too much. It might be something we'll have to adjust."
"The attachment scanning feature doesn't work properly."
"I did have a problem with Mimecast. That is why I was looking for an alternative solution because their sender IP address gets poorly rated by Microsoft."
"The solution is complex and not easy to use."
"The pricing could be improved."
 

Pricing and Cost Advice

"The overall pricing for iboss is very competitive and transparent."
"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."
"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."
"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."
"It is a bit expensive."
"The solution is expensive."
"Compared to the other solutions in the market, Mimecast Email Security with Targeted Threat Protection's pricing is fine."
"The product price is moderate. I rate the pricing a five out of ten."
"The licensing costs are per-user for the product that you get with them."
"I'm always going to say the price needs to be lower, but it's reasonable."
"The customers can select the license packages as per their requirements."
"The product has good pricing in terms of return on investment."
Information not available
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Top Industries

By visitors reading reviews
Financial Services Firm
11%
Manufacturing Company
10%
Computer Software Company
8%
Construction Company
7%
Computer Software Company
11%
Financial Services Firm
9%
Construction Company
8%
Comms Service Provider
6%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business7
Midsize Enterprise7
Large Enterprise8
By reviewers
Company SizeCount
Small Business19
Midsize Enterprise11
Large Enterprise14
No data available
 

Questions from the Community

What needs improvement with iboss?
The problem our organization had is that iboss failed for the Mac devices. It is not able to give a successful agent ...
What is your primary use case for iboss?
We used iBoss mainly for Internet Access by having an Agent on Windows laptops Primarily because when we try to use i...
What is your experience regarding pricing and costs for iboss?
I am not involved in pricing, but as per the information I have, during that time, the Blue Coat proxies we were usin...
What needs improvement with Mimecast Email Security with Targeted Threat Protection?
There is room for improvement since new threats are emerging. Considering the availability of new features would be w...
Ask a question
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Also Known As

iBoss Cloud Platform
Mimecast Email Security with Targeted Threat Protection, Mimecast Web Security, Mimecast Mailbox Continuity, Email and Collaboration Threat Protection
No data available
 

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.
Azizi Developments, Affinity Credit Union, Aftercare, Al Abbar Group
Information Not Available
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899,258 professionals have used our research since 2012.