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Abnormal Security vs Mimecast Email and Collaboration Threat Protection comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Feb 11, 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

Abnormal Security
Ranking in Secure Email Gateway (SEG)
4th
Average Rating
9.4
Reviews Sentiment
7.5
Number of Reviews
11
Ranking in other categories
Email Security (6th)
Mimecast Email and Collabor...
Ranking in Secure Email Gateway (SEG)
3rd
Average Rating
8.0
Reviews Sentiment
5.9
Number of Reviews
39
Ranking in other categories
Email Archiving (2nd), Secure Web Gateways (SWG) (19th), Office 365 Protection (2nd)
 

Mindshare comparison

As of March 2026, in the Secure Email Gateway (SEG) category, the mindshare of Abnormal Security is 10.0%, down from 11.7% compared to the previous year. The mindshare of Mimecast Email and Collaboration Threat Protection is 17.1%, up from 11.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Secure Email Gateway (SEG) Mindshare Distribution
ProductMindshare (%)
Mimecast Email and Collaboration Threat Protection17.1%
Abnormal Security10.0%
Other72.9%
Secure Email Gateway (SEG)
 

Featured Reviews

reviewer2251509 - PeerSpot reviewer
Senior Director, Information Technology at a insurance company with 51-200 employees
AI has helped classify threat types more accurately but product ownership can improve
Ease of use is important, and Abnormal Security's responsiveness and ability to deliver solutions when issues arise are crucial. However, there is always room for improvement, as achieving a perfect 10 means there is no more room for enhancement. For Abnormal Security, it's about leveraging AI even more, which they are already working on in their roadmap.
HS
Email Security Engineer at Logic Infosecurity
Experience high detection and user-friendly policies with reliable email security implementation
The system is not user-friendly because you have to create policies that are mapped in a dictionary. As an IT engineer, I understand how it works, but explaining it to another IT person can be difficult. Having more user-friendly dashboards would improve the work experience. In Mimecast Email Security, checking policies in the dictionary or gateway is very complicated, and not everyone understands this process. If you examine the Check Point portal, it's user-friendly with easily accessible tabs that anyone can explore. With Mimecast Email Security, making changes might impact existing mailboxes. The portal is complicated compared to Check Point's user-friendly interface.

Quotes from Members

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

Pros

"I have never encountered any stability issues with Abnormal."
"It does some really cool stuff that other tools aren't doing. We found it to be really effective, and the AI/ML functionality is really what differentiates them."
"Their ability to take things out of the mailbox and catch things much faster than users is excellent."
"I like Abnormal's threat protection with auto-remediation, but I also love its abuse mailbox feature, which automatically responds to the end user. That feature has a super-valuable security component and helps improve the user experience."
"It protects us from being business email compromised, which is invaluable for maintaining our security."
"One of the things that I love about them is that the setup and installation are super easy. All you do is give them access to your Microsoft 365 tenant, and through APIs, they are able to do their work. They are doing all this through APIs, so you do not have to install the software and take a month to get it all set up to even see the value of the solution. You could be up and running in less than an hour."
"The features that appeal to me most are the combination of auto-remediation and Detection 360."
"Ease of use is undoubtedly one of the most valuable features of Abnormal Security."
"It is our spam filter, phishing filter, and executive impersonation filter."
"The most valuable feature is the DMARC Analyzer."
"URL inspection works pretty well."
"It does a good job for us, and its admin console is easy to use."
"We like the content filtering and secure messaging features."
"The initial setup is very straightforward."
"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 initial setup is easy."
 

Cons

"There could be more selectable options and more granular selections available."
"The ideal scenario would be for Abnormal Security to work in tandem with Microsoft to analyze incoming emails."
"The biggest pain point for us is the lack of support for on-premise email systems."
"One feature I'd love to see is outbound scanning."
"There could be room for improvement in enhancing integration with other cybersecurity tools."
"I, as such, do not have anything that I do not like or would like to add, but you could argue that because they are doing it API-based, there is a chance that something could slip through temporarily before they are able to pull it out. In theory, it could happen just because of the nature of the system. They are not in line with the delivery of the mail. They are kind of asynchronous, which is a pro as well as a con. If it is synchronous, then I know it would always stop them, but because it is asynchronous, things could get through temporarily or because of some system issues on the Microsoft side or their side. It is the nature of the beast, but it is a little bit of a con."
"I would like to have the ability to customize the auto-remediation feature."
"The pricing for academic institutions and student mailboxes is challenging."
"As for areas for improvement within Mimecast Web Security, I believe there is quite a lot that can be improved."
"The differentiation between bulk spam mail and campaign-related mail could be improved."
"The price of the solution is expensive. It can improve by reducing the price."
"Its pricing can be improved. It is a bit expensive."
"The reaction time between a new threat being identified and Mimecast picking it up needs to be narrowed a bit."
"As a user, the user interface of the management console could be upgraded, for example."
"While it's quick and easy, the initial setup could be more user-friendly."
"Technical support has been slower than it was in the past, likely due to the pandemic."
 

Pricing and Cost Advice

"Abnormal Security, on the other hand, provides the same level of functionality for just over $60,000 – that's half the price!"
"The pricing appears fair, and they demonstrate a genuine willingness to work with us on it."
"Overall, we'd certainly prefer lower pricing, but Abnormal Security doesn't seem unreasonable compared to similar offerings in the market."
"The license is based on the user count, so the number of users that have an email address in the organization."
"The product has good pricing in terms of return on investment."
"On a scale of one to ten, where one is cheap, and ten is expensive, I rate the pricing a ten."
"Compared to the other products in the market, it is neither cheap but nor very expensive. I would rate it somewhere in the middle, 5 out of 10."
"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."
"The customers can select the license packages as per their requirements."
"Compared to the other solutions in the market, Mimecast Email Security with Targeted Threat Protection's pricing is fine."
"For what it is, the product is overpriced."
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Top Industries

By visitors reading reviews
Computer Software Company
11%
Financial Services Firm
10%
Manufacturing Company
8%
Government
6%
Computer Software Company
12%
Financial Services Firm
8%
Manufacturing Company
6%
Comms Service Provider
5%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business1
Midsize Enterprise2
Large Enterprise8
By reviewers
Company SizeCount
Small Business19
Midsize Enterprise11
Large Enterprise13
 

Questions from the Community

What is your experience regarding pricing and costs for Abnormal Security?
I find the pricing to be favorable, but I did not disclose the exact cost.
What needs improvement with Abnormal Security?
Ease of use is important, and Abnormal Security's responsiveness and ability to deliver solutions when issues arise are crucial. However, there is always room for improvement, as achieving a perfec...
What is your primary use case for Abnormal Security?
The main use case for Abnormal Security is as a spam filter and for mail hygiene. This use case is for the finance industry.
What do you like most about Mimecast Email Security with Targeted Threat Protection?
The interface of this solution is very easy to navigate and user-friendly. There is no delivery in email and other communications, making it reliable. The configuration is relatively easy.
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 worthwhile. Mimecast Email Security is somewhat expensive compared to the competi...
 

Also Known As

No data available
Mimecast Email Security with Targeted Threat Protection, Mimecast Web Security, Mimecast Mailbox Continuity, Mimecast Advanced Email Security
 

Overview

 

Sample Customers

Foot Lcoker, Xerox, Liberty Mutual, Mattel, Boston Scientific
Azizi Developments, Affinity Credit Union, Aftercare, Al Abbar Group
Find out what your peers are saying about Abnormal Security vs. Mimecast Email and Collaboration Threat Protection and other solutions. Updated: February 2026.
885,264 professionals have used our research since 2012.