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CRITICALSTART vs ReliaQuest GreyMatter comparison

 

Comparison Buyer's Guide

Executive Summary

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

CRITICALSTART
Ranking in Managed Detection and Response (MDR)
28th
Average Rating
9.4
Reviews Sentiment
7.3
Number of Reviews
10
Ranking in other categories
Security Orchestration Automation and Response (SOAR) (25th)
ReliaQuest GreyMatter
Ranking in Managed Detection and Response (MDR)
17th
Average Rating
9.6
Reviews Sentiment
8.1
Number of Reviews
2
Ranking in other categories
Digital Risk Protection (11th), Extended Detection and Response (XDR) (25th)
 

Mindshare comparison

As of August 2026, in the Managed Detection and Response (MDR) category, the mindshare of CRITICALSTART is 1.2%, up from 0.8% compared to the previous year. The mindshare of ReliaQuest GreyMatter is 1.5%, down from 1.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Managed Detection and Response (MDR) Mindshare Distribution
ProductMindshare (%)
ReliaQuest GreyMatter1.5%
CRITICALSTART1.2%
Other97.3%
Managed Detection and Response (MDR)
 

Featured Reviews

JH
Sr. Manager, Security Engineering at a financial services firm with 501-1,000 employees
The transparency of data in the platform is perfect: You see everything as they are seeing it
Their Zero Trust Analytics Platform (ZTAP) engine, which is kind of their correlation engine, is by far and away one of the best in the business. We can filter and utilize different lists to build out different alerts, such as, what to alert on and when not to alert. This engine helps reduce our number of alerts and false positives. The service's Trusted Behavior Registry helps the provider solve every alert. The way that they have it built out is very intelligent. The way every alert comes in, it gets triaged one direction or another. If it is already a false positive, then it is still getting addressed and reviewed on a regular cadence. Also, true positive alerts get escalated to the appropriate personnel. Its mobile app is great. The ability just to be able to quick reference and see what's coming in when you're on the move or go. You don't always need to have your computer or laptop handy, because you can operate it just from the mobile app. It can communicate with analysts, which is great. The mobile app is great at affecting the efficiency of our security operations. Those guys are using it throughout the day, whether that be at the office, home, or off hours. Typically, they triage from the mobile app. Then, if an escalation needs to be done on a computer, they will pull out a computer. We were on the original UI for a few years, so the updated UI has been a refreshing change. It has significantly more ability to filter and translate data, then load that data. It is rather intuitive to click through for some of our junior analysts or interns, especially as we are starting to onboard and teach them different aspects of the security operations team.
MK
Senior Security Analyst at Tata Consultancy
Unified security monitoring has reduced alert fatigue and improves proactive threat hunting
I use real-time monitoring in ReliaQuest GreyMatter, which significantly improves my security posture. The unified interface helps reduce alert fatigue. I would estimate it saves around 20% in alert fatigue reduction. The automated threat hunting capabilities in ReliaQuest GreyMatter help me stay ahead of threats. The machine learning algorithm benefits my threat intelligence by providing deeper insights and predictions. I use various metrics to rate the success of the predictive threat intelligence in ReliaQuest GreyMatter.

Quotes from Members

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

Pros

"I also use their mobile app. It's very easy to use and very convenient to be able to respond to alerts wherever you are. I love the app. You can respond and communicate, per ticket, with their SOC in near real-time. The response is very quick."
"The most valuable feature of their service is their tuning... If we were getting 1,000 alerts a day without them, they tune it until they know what to do for 999 of them, and one will make it through to us per day. That tuning is the most valuable part of their solution."
"We are absolutely seeing return on our investment from CRITICALSTART's services, as they're doing the job of a 24/7 SOC at a fraction of the price that it would cost me to run it myself."
"There is a team of people who monitor our traffic and processes 24/7, so if anything raises a flag or alert, it will escalate back to me right away. That's the most incredible part: Humans working behind the scenes 24/7 to monitor our networks."
"After a year of using the service, our expectations have been met in terms of services delivered on time, on budget, and on spec."
"It is a comfort to know that there is a team of professionals backing you up, especially in an area that you don't feel 100 percent comfortable."
"There are two parts of CRITICALSTART's services that are most valuable to us. The MDR solution where they monitor our computers, laptops, and users across the board; and their knowledge of Palo Alto firewalls."
"Their Zero Trust Analytics Platform (ZTAP) engine, which is kind of their correlation engine, is by far and away one of the best in the business. We can filter and utilize different lists to build out different alerts, such as, what to alert on and when not to alert. This engine helps reduce our number of alerts and false positives."
"ReliaQuest GreyMatter has helped us to reduce security incidents by 89%, which is a significant amount of incidents we have seen."
"ReliaQuest GreyMatter saves around 60% of time or resources."
 

Cons

"The biggest room for improvement is not necessarily in their service or offering, but in the products that they support."
"The updated UI is actually pretty bad. Regarding the intuitiveness, it is fairly easy to use, but the responsiveness, on a scale of one to 10, is a one. It's really poor performance."
"They just did a user interface overhaul to the website portal that you use for troubleshooting tickets. The old one was fine. The new one is not intuitive and I hate it."
"They could dig a little bit deeper into the Splunk alerts when they feel like they need to be escalated to us."
"In terms of responsiveness, when I open up an alert, sometimes it takes a bit of time to load. However, it only happened once or twice."
"There is room for improvement with the new UI, and that's about it. I would like to see a more intuitive design."
"During the six-month integration and rollout, there were some bumpy roads along the way. There were communication breakdowns between the project manager, CRITICALSTART leadership, and us (as the customer). I expressed my displeasure during the integration in their inability to effectively communicate when there were holdups or issues. They were going through some growing pains at that time, but they have been right there for us ever since."
"The biggest room for improvement is not necessarily in their service or offering, but in the products that they support. I would like them to further their knowledge and ability to integrate with those tools. They have base integrations with everything, and we haven't come across anything. They should just continue to build on that API interface between their applications and other third-party consoles."
"Areas that have room for improvement include user interface and integration."
 

Pricing and Cost Advice

"There are contractual penalties if their SLAs are not met. This commitment was very important in our decision to go with this service, because not having downtime is extremely important to us. The providers has not missed an SLA in the 18 months that I have worked with them."
"The pricing has always been competitive. They have always been good to us. They will make it a fight. They don't try to hide anything; it's always been fully transparent and well-worth what we pay for it."
"As far as the expense goes, it's very competitive pricing and the services you get are almost like you have a person on your team."
"I've told CRITICALSTART that I think the managed service they provide is cheaper than it should be. It's a really good deal."
"It costs a lot for what we felt comfortable to spend."
"Overall, for what I'm paying for it, and the benefit I'm getting out of it, it is right where it needs to be, if not a little bit in my favor. For what it costs me to actually have this service, I could afford one internal person to do that job, but now I have a team of 10 or more who are doing that job, and they don't sleep because they work shifts."
"The pricing of other services was so insane that they weren't even an option."
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Top Industries

By visitors reading reviews
Construction Company
12%
Outsourcing Company
10%
Manufacturing Company
9%
Financial Services Firm
9%
Financial Services Firm
10%
Manufacturing Company
10%
Construction Company
8%
Retailer
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business4
Midsize Enterprise3
Large Enterprise4
No data available
 

Questions from the Community

Ask a question
Earn 20 points
What needs improvement with ReliaQuest GreyMatter?
Areas that have room for improvement include user interface and integration.
What is your primary use case for ReliaQuest GreyMatter?
I use ReliaQuest GreyMatter for detection and response, XDR, and SIEM. The best features I like about GreyMatter the most are its efficiency and user experience.
 

Also Known As

Critical Start, CriticalStart
No data available
 

Overview

Find out what your peers are saying about CRITICALSTART vs. ReliaQuest GreyMatter and other solutions. Updated: June 2026.
909,647 professionals have used our research since 2012.