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Abnormal Security vs Mimecast Email Security comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jun 2, 2024

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)
2nd
Average Rating
9.6
Reviews Sentiment
7.9
Number of Reviews
10
Ranking in other categories
Email Security (3rd)
Mimecast Email Security
Ranking in Secure Email Gateway (SEG)
4th
Average Rating
8.0
Reviews Sentiment
6.2
Number of Reviews
31
Ranking in other categories
Office 365 Protection (3rd)
 

Mindshare comparison

As of July 2025, in the Secure Email Gateway (SEG) category, the mindshare of Abnormal Security is 12.8%, up from 6.2% compared to the previous year. The mindshare of Mimecast Email Security is 11.9%, down from 15.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Secure Email Gateway (SEG)
 

Featured Reviews

ChrisBrown5 - PeerSpot reviewer
Automated threat detection that protects against corruption with minimal intervention
Abnormal Security is valuable because it features an automated scoring tool that doesn't require much intervention from our team. It enhances threat detection capabilities by making the process automated and is easy to scale to our entire environment. Additionally, it protects us from being business email compromised, which is invaluable for maintaining our security.
ShaheenKapery - PeerSpot reviewer
Provides valuable security features and has a straightforward setup process
The initial setup process is straightforward and takes a weekend at most. A .com domain can take up to forty-eight hours, while a local domain takes about four to eight hours because it has to propagate through the international DNS records. It is a cloud-only solution. If you're managing email security on-premises, you use your bandwidth to download emails, including spam, and then use your servers to clean it up. For example, say a third of your email is spam; this consumes significant bandwidth and resources. However, if you use Mimecast, they filter the emails on their servers before delivering them to you. It can be a major selling point in regions with expensive bandwidth, such as Africa. You can save bandwidth and improve overall efficiency by offloading the spam filtering to Mimecast.

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 protects us from being business email compromised, which is invaluable for maintaining our security."
"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."
"Their ability to take things out of the mailbox and catch things much faster than users is excellent."
"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."
"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."
"What I like about Abnormal Security is that it notifies me if any of my partners or suppliers are experiencing a security breach by analyzing their database and identifying potential cyber threats."
"I would recommend Abnormal Security."
"It's really quite user-friendly. In terms of technical superiority and the product itself, there are no complaints. It is really cutting edge."
"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."
"URL inspection works pretty well."
"The integration is straightforward."
"The initial setup is very straightforward."
"Its administration console is very easy to use. The administration console is absolutely important because you interact with the platform through it."
"The solution is pretty straightforward to use and easy to set up."
"Due to our specialized use case, that HIPAA dictionary really comes in handy."
 

Cons

"When we're working on something as engineers, and we find an idea or a method of doing something that would be greatly improved by doing it another way, there should be an ability for me to click the ideas button, type in an idea that I have, and submit it to a product review team or developers to have them think through the process a little bit more."
"The ideal scenario would be for Abnormal Security to work in tandem with Microsoft to analyze incoming emails."
"One feature I'd love to see is outbound scanning."
"Abnormal should add more automatic reports. I have an open request to our account team for more notification and report types that can be sent automatically. For example, they have an awesome report that gets sent weekly, and I also want them monthly, so I don't need to do so much adding up when my director wants numbers over time."
"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."
"There could be more selectable options and more granular selections available."
"There could be room for improvement in enhancing integration with other cybersecurity tools."
"There could be more selectable options and more granular selections available."
"While it's quick and easy, the initial setup could be more user-friendly."
"The detection rates are an area for improvement."
"Mimecast need to ensure that the body text format is correctly handled and that images are properly embedded in the body text."
"The filtering needs more flexibility."
"Lately, Mimecast's outbound mail servers have been regularly blocklisted by spam filters. That didn't happen a few years back, but it seems to be a more frequent problem these days. When a server is blocklisted, it means all of my outgoing mail ends up in the recipient's junk mail. That affects my reputation and business confidence."
"They could provide a unified licensing model, including all the security features."
"The solution is very expensive."
"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."
 

Pricing and Cost Advice

"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."
"Abnormal Security, on the other hand, provides the same level of functionality for just over $60,000 – that's half the price!"
"The license is based on the user count, so the number of users that have an email address in the organization."
"It's an expensive solution."
"We pay monthly fees to our provider."
"For what it is, the product is overpriced."
"The product price is moderate. I rate the pricing a five out of ten."
"Compared to the other solutions in the market, Mimecast Email Security with Targeted Threat Protection's pricing is fine."
"On a scale of one to ten, where one is cheap, and ten is expensive, I rate the pricing a 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."
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Top Industries

By visitors reading reviews
Computer Software Company
15%
Financial Services Firm
10%
Manufacturing Company
7%
Government
7%
Computer Software Company
15%
Financial Services Firm
8%
Manufacturing Company
7%
Comms Service Provider
5%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What do you like most about Abnormal Security?
The features that appeal to me most are the combination of auto-remediation and Detection 360.
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?
There could be more selectable options and more granular selections available.
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?
If I ask you about the room for improvement, we discussed the phishing aspect, the DNS system, and the key rotation. Apart from that, are there any other areas that you would like to see improved o...
 

Also Known As

No data available
Mimecast Email Security with Targeted Threat Protection
 

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 Security and other solutions. Updated: June 2025.
861,524 professionals have used our research since 2012.