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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)
60th
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)
14th
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 October 2026, in the Security Information and Event Management (SIEM) category, the mindshare of Graylog Security is 0.6%, up from 0.6% compared to the previous year. The mindshare of Sentinel is 2.7%, down from 4.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Security Information and Event Management (SIEM) Mindshare Distribution
ProductMindshare (%)
Sentinel2.7%
Graylog Security0.6%
Other96.7%
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."
"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."
"It provides real time security event analytics."
"Transactional user information improves security, prevents fraud, and promotes best practices."
"Novell SIEM was my second technology of this kind."
"The most valuable feature of this solution is that it provides a central locking system for many event sources."
"Sentinel has positively impacted my organization by improving monitoring significantly."
"In my opinion, Sentinel's best features include that it's a very easy product to use, it's very simple, and the after-sale service is very good."
 

Cons

"Graylog Security needs to incorporate security scorecards."
"Some functions look great but, in practice, some key limitations turn the process into something opaque."
"I would prefer to extend dashboards part and their functions in Web GUI version, so the charts could be for configurable."
"This product's connection to certain types of cloud systems could be improved."
"Creating a drag-and-drop dashboard or workbook in Sentinel is a little more complex compared to other tools like LogRhythm and IBM QRadar."
"On version 5, builder was somewhat unstable during deployment -> workaround strong procedure with too many middle steps of saves."
"The solution does not allow outsourced authorizations."
"There are still a few vendor-specific devices for which Sentinel needs to work on integration, such as Netskope devices."
"I rate Sentinel a six out of ten for scalability."
 

Pricing and Cost Advice

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

By visitors reading reviews
Educational Organization
14%
Comms Service Provider
9%
Retailer
8%
Outsourcing Company
8%
Outsourcing Company
10%
Financial Services Firm
9%
Manufacturing Company
9%
Comms Service Provider
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.
915,341 professionals have used our research since 2012.