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Mandiant Advantage vs ReliaQuest GreyMatter comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jun 15, 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

Mandiant Advantage
Ranking in Extended Detection and Response (XDR)
24th
Average Rating
8.4
Reviews Sentiment
7.8
Number of Reviews
6
Ranking in other categories
Attack Surface Management (ASM) (6th)
ReliaQuest GreyMatter
Ranking in Extended Detection and Response (XDR)
38th
Average Rating
0.0
Number of Reviews
0
Ranking in other categories
Digital Risk Protection (21st), Managed Detection and Response (MDR) (28th)
 

Mindshare comparison

As of October 2025, in the Extended Detection and Response (XDR) category, the mindshare of Mandiant Advantage is 1.0%, up from 0.7% compared to the previous year. The mindshare of ReliaQuest GreyMatter is 0.6%, up from 0.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Extended Detection and Response (XDR) Market Share Distribution
ProductMarket Share (%)
Mandiant Advantage1.0%
ReliaQuest GreyMatter0.6%
Other98.4%
Extended Detection and Response (XDR)
 

Featured Reviews

SameepAgarwal - PeerSpot reviewer
In-depth traffic analysis and proactive support reduce investigation time
The live IOC feed identifies the type, technique, and tactics used. This becomes handy since then I know what to refer to from the playbook. For instance, if I take a use case of someone with Mimikatz installed on their system, knowing the nature beforehand reduces investigation time. I can quickly apply the playbook to resolve incidents in less time.
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Top Industries

By visitors reading reviews
Financial Services Firm
19%
Computer Software Company
10%
Government
7%
Manufacturing Company
7%
Financial Services Firm
11%
Computer Software Company
9%
Retailer
8%
Manufacturing Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
No data available
 

Questions from the Community

What needs improvement with Mandiant Advantage?
Sometimes Mandiant Advantage becomes noisy when dealing with widely recognized companies due to false positives. More fine-tuning is required to handle famous company names. It also handles alerts ...
What is your primary use case for Mandiant Advantage?
I use it for cyber threat intelligence. I gather information about newly created domains around the Internet that can be related to my managed company. I monitor these domains for any phishing acti...
What advice do you have for others considering Mandiant Advantage?
I would advise exploring multiple functions because there are many different capabilities of Mandiant Advantage. For small organizations, try every feature included in the package. Use known source...
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Also Known As

Mandiant Threat Intelligence
No data available
 

Overview

 

Sample Customers

Stater Bros. Markets, Rush Copley, Blackboat, CapWealth
Information Not Available
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869,089 professionals have used our research since 2012.