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Graylog Security vs Sentinel comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Sep 18, 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

Graylog Security
Ranking in Security Information and Event Management (SIEM)
61st
Average Rating
8.6
Reviews Sentiment
7.5
Number of Reviews
2
Ranking in other categories
No ranking in other categories
Sentinel
Ranking in Security Information and Event Management (SIEM)
13th
Average Rating
7.6
Reviews Sentiment
6.8
Number of Reviews
18
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of November 2026, in the Security Information and Event Management (SIEM) category, the mindshare of Graylog Security is 0.6%, up from 0.5% compared to the previous year. The mindshare of Sentinel is 2.6%, down from 3.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Security Information and Event Management (SIEM) Mindshare Distribution
ProductMindshare (%)
Sentinel2.6%
Graylog Security0.6%
Other96.8%
Security Information and Event Management (SIEM)
 

Featured Reviews

Tony Zafiropoulos - PeerSpot reviewer
Owner/ Chief Engineer at Fixvirus.com
Aggregates logs in one place and helps to review data points
We tried Graylog Security, starting with their inexpensive open-source version. We tested it out and continued using it for a while. As for the main differences between Graylog Security and other vendors, some users might prefer cloud-based platforms over on-premises solutions. It isn't inherently cloud-native, but that might not matter much for some.
PT
Senior Specialist at a tech vendor with 10,001+ employees
Improved incident monitoring has reduced false positives and supports audit-ready reporting
The best features Sentinel offers, in my experience, include the filtering features and the ability to run KQL queries so that I can understand what table has what and when the last log has been monitored and reported. Sentinel has positively impacted my organization by improving monitoring significantly. As a pay-as-you-go service, we are ingesting logs as needed. When the pay-as-you-go service is enabled, we can either ingest whenever there is a spike in the logs, and when there are fewer logs, we can reduce the ingestion. This approach is helpful for both the organization and me. In terms of metrics showing how Sentinel has helped, as part of log filtering, we have reduced around thirty to thirty-five percent of false-positive incident creation. We have also cleared some audits by enabling log retention in Sentinel, allowing us to pull out data for audits when necessary using both hot retention and cold retention. This has helped the organization as a whole.

Quotes from Members

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

Pros

"The tool aggregates logs. We can see the logs in one place."
"We use the solution to collect logs."
"If Sentinel is integrated with Identity Manager and User Application Portal, the solution runs simply perfect!"
"The native integration with out-of-the box format is hassle free and allows data to be used advantageously."
"The stability is phenomenal and we never had any issues with downtime or even had to restart."
"Sentinel has positively impacted my organization by improving monitoring significantly."
"The most valuable feature of this solution is that it provides a central locking system for many event sources."
"Sentinel is a tool that, if it's well configured, removes from view all unnecessary information and shows you only needful entries, so you can do your job faster, more conveniently, and with high performance."
"One of the most valuable features is the business intelligence engine. It's very important because it keeps track of everything that's happening and alerts us if something is different than expected. The first time I used it, I was shocked at how well it performed. Another valuable feature that I think makes this product worth the price you pay for it is that it connects to basically every system that provides some form of logging, and it's very easy to set up what triggers this."
"The solution lets us get all the logs properly and regularly monitor customer infrastructure."
 

Cons

"Graylog Security needs to incorporate security scorecards."
"You need a lot of Unix scripting knowledge in order to manage the tool, which is one of the main issues that we faced."
"It's probably not a product that I would recommend to anyone."
"Documentation for security aspects could be improved. It is difficult to find clear information about encryption or risks that are addressed."
"On version 5, builder was somewhat unstable during deployment -> workaround strong procedure with too many middle steps of saves."
"There is a need for more flexibility in customization, especially when working with different vendors and platforms."
"I would like to see a better reporting work structure on the dashboard."
"I would prefer to extend dashboards part and their functions in Web GUI version, so the charts could be for configurable."
"Frankly speaking, we did not find this product to be valuable, at all."
 

Pricing and Cost Advice

"I rate the tool's pricing a one out of ten."
"The solution’s pricing is aligned with its competitors."
"Sentinel's slightly on the expensive side."
"Sentinel is a subscription-based solution."
"We receive a pricing discount because of our ongoing partnership with Micro Focus."
"We inquired about getting support from the vendor, Micro Focus, but the cost was very high."
"Sentinel is moderately priced."
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Top Industries

By visitors reading reviews
Educational Organization
12%
Comms Service Provider
9%
Healthcare Company
8%
Retailer
8%
Outsourcing Company
11%
Financial Services Firm
9%
Comms Service Provider
8%
Manufacturing Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise3
Large Enterprise8
 

Questions from the Community

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What is your experience regarding pricing and costs for NetIQ Sentinel?
My experience with pricing, setup cost, and licensing shows that while it is a little on the higher side, since it is part of a package for all Microsoft products, I feel it is a better choice comp...
What needs improvement with NetIQ Sentinel?
Sentinel needs minimal improvement, though improvements are ongoing. Everything seems to be functioning perfectly, and I don't have any specific inputs for improvements I would like to see in Senti...
What is your primary use case for NetIQ Sentinel?
My main use case for Sentinel is that I'm a subject matter expert for Sentinel, specifically for security incident event and event management. I head the SME for SIEM in LTIMindtree for this curren...
 

Also Known As

No data available
NetIQ Sentinel, Novell SIEM
 

Overview

 

Sample Customers

Information Not Available
Faysal Bank, GaVI, Handelsbanken, ISC Mªnster, Lambeth Council, Swisscard, The Municipality of Siena, Tukes, University of Dayton, University of the Sunshine Coast
Find out what your peers are saying about Graylog Security vs. Sentinel and other solutions. Updated: September 2026.
920,769 professionals have used our research since 2012.