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Darktrace vs Heimdal Email Security comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Sep 21, 2025

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

Darktrace
Ranking in Email Security
8th
Average Rating
8.2
Reviews Sentiment
7.2
Number of Reviews
82
Ranking in other categories
Intrusion Detection and Prevention Software (IDPS) (2nd), Network Traffic Analysis (NTA) (1st), Network Detection and Response (NDR) (1st), Extended Detection and Response (XDR) (6th), Cloud Security Posture Management (CSPM) (14th), Cloud-Native Application Protection Platforms (CNAPP) (10th), Attack Surface Management (ASM) (4th), AI-Powered Cybersecurity Platforms (2nd)
Heimdal Email Security
Ranking in Email Security
64th
Average Rating
9.0
Reviews Sentiment
7.9
Number of Reviews
1
Ranking in other categories
Fraud Detection and Prevention (73rd)
 

Mindshare comparison

As of October 2025, in the Email Security category, the mindshare of Darktrace is 2.6%, up from 2.4% compared to the previous year. The mindshare of Heimdal Email Security is 0.2%, up from 0.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Security Market Share Distribution
ProductMarket Share (%)
Darktrace2.6%
Heimdal Email Security0.2%
Other97.2%
Email Security
 

Featured Reviews

Malebo Lethoba Group - PeerSpot reviewer
Have found the AI analyst and detection functions highly valuable for network operations while managing complexity in initial setup
The functions I find most valuable in Darktrace are the AI analyst as well as the detection.The autonomous response capabilities of Darktrace are not crucial for me because it doesn't work in a network where there are no core switches. In a modern network, the autonomous response doesn't work, especially when sitting in a shared data center.If I'm running a traditional network where I am not in a shared data center with a layer two dedicated for my resources, then it can work for me. However, if I am in a data center where I don't have layer two, it becomes an issue because the autonomous response is reliant on sending spoofed TCP resets to my core switch to block traffic, which is a major issue.
Melvin Ong - PeerSpot reviewer
Straightforward to set up, reliable, and offers good functionality
We primarily use the solution for email security and general email management.  It's improved our productivity.  The solution works well overall. The functionality is very good.  The setup process is easy.  It is stable and reliable. It's scalable.  I don't have any specific areas that need…

Quotes from Members

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

Pros

"I am impressed with the product's ability to give insights into network traffic."
"It provides a comprehensive, detailed view of network activity and whatever is happening inside it."
"Its AI technology supports cybersecurity by learning my environment and accurately responding to threats."
"Ability to see events and exactly what traffic or website the device had tried to connect to that raised the alert or issue."
"It is a very simple product to use."
"The solution is outstanding from a monitoring perspective."
"Darktrace is very flexible."
"It has helped the organization to detect any malware affecting the machines...The network monitoring and the email monitoring features are very valuable for us."
"It is stable and reliable."
 

Cons

"It is expensive, but everything else has been great so far."
"One thing I would like is for Darktrace to flag SMB traffic more accurately. Currently, it only flags that SMB traffic has occurred, but it doesn't specify which file was being transferred. This makes it difficult to investigate incidents involving SMB traffic, as we don't have concrete evidence of what was being sent."
"I would like to see more protection in the endpoint. Especially because we have a lot of people using VPNs. If they would improve end point security, it would give more control there."
"The cost is a bit on the higher side."
"The program is quite expensive."
"They just need to make it a little bit more accurate as far as their alerts are concerned. It does generate some false positives that you have to tune. You have to do a lot of tuning when you first get it because of the false positives, but once it is all tuned up and ready to go, it will do its thing from there."
"I feel that Darktrace could be improved, particularly in the support aspect which is currently very poor. We need to chase Darktrace instead of them being proactive with us."
"I think there is some MSSP missing."
"The solution could be less expensive."
 

Pricing and Cost Advice

"It is a very expensive product."
"The pricing is quite high, estimated at around $350,000 per year."
"There is an annual license to use Darktrace."
"They are too expensive compared with other vendors."
"It's an expensive solution."
"The cost of the solution can be reduced to make it more appealing to customers."
"This solution is expensive."
"Prior to negotiating, Darktrace offered their appliance and service for $80,000 per year."
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Top Industries

By visitors reading reviews
Computer Software Company
12%
Manufacturing Company
9%
Financial Services Firm
8%
Comms Service Provider
7%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business44
Midsize Enterprise19
Large Enterprise29
No data available
 

Questions from the Community

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Which is better - SentinelOne or Darktrace?
Which solution is better depends on which is more suitable specifically for your company. Darktrace, for example, is meant for smaller to medium-sized businesses. It is also a good option for organ...
What do you like most about Darktrace?
A very useful feature in Darktrace for real-time threat analysis is the packet inspection that analyzes the packet traffic in real time.
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Comparisons

No data available
 

Also Known As

No data available
MailSentry
 

Overview

 

Sample Customers

Irwin Mitchell, Open Energi, Wellcome Trust, FirstGroup plc, Virgin Trains, Drax, QUI! Group, DNK, CreaCard, Macrosynergy, Sisley, William Hill plc, Toyota Canada, Royal British Legion, Vitol, Allianz, KKR, AIRBUS, dpd, Billabong, Mclaren Group.
Brother, Symbion, CPH West
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