"Devo helps us to unlock the full power of our data because they have more than 450 parsers, which means that we can ingest pretty much any type of log data."
"One of the biggest features of the UI is that you see the actual code of what you're doing in the graphical user interface, in a little window on the side. Whatever you're doing, you see the code, what's happening. And you can really quickly switch between using the GUI and using the code. That's really useful."
"Devo provides a multi-tenant, cloud-native architecture. This is critical for managed service provider environments or multinational organizations who may have subsidiaries globally. It gives organizations a way to consolidate their data in a single accessible location, yet keep the data separate. This allows for global views and/or isolated views restricted by access controls by company or business unit."
"Those 400 days of hot data mean that people can look for trends and at what happened in the past. And they can not only do so from a security point of view, but even for operational use cases. In the past, our operational norm was to keep live data for only 30 days. Our users were constantly asking us for at least 90 days, and we really couldn't even do that. That's one reason that having 400 days of live data is pretty huge. As our users start to use it and adopt this system, we expect people to be able to do those long-term analytics."
"It's very, very versatile."
"The ability to have high performance, high-speed search capability is incredibly important for us. When it comes to doing security analysis, you don't want to be doing is sitting around waiting to get data back while an attacker is sitting on a network, actively attacking it. You need to be able to answer questions quickly. If I see an indicator of attack, I need to be able to rapidly pivot and find data, then analyze it and find more data to answer more questions. You need to be able to do that quickly. If I'm sitting around just waiting to get my first response, then it ends up moving too slow to keep up with the attacker. Devo's speed and performance allows us to query in real-time and keep up with what is actually happening on the network, then respond effectively to events."
"The most valuable feature is definitely the ability that Devo has to ingest data. From the previous SIEM that I came from and helped my company administer, it really was the type of system where data was parsed on ingest. This meant that if you didn't build the parser efficiently or correctly, sometimes that would bring the system to its knees. You'd have a backlog of processing the logs as it was ingesting them."
"The real-time analytics of security-related data are super. There are a lot of data feeds going into it and it's very quick at pulling up and correlating the data and showing you what's going on in your infrastructure. It's fast. The way that their architecture and technology works, they've really focused on the speed of query results and making sure that we can do what we need to do quickly. Devo is pulling back information in a fast fashion, based on real-time events."
"I like the correlation and the alerting."
"Open source and user friendly."
"Graylog's search functionality, alerting functionality, user management, and dashboards are useful."
"The most valuable aspect of the solution is the dashboard. It's very intuitive."
"It's the completeness of the solution that we like the most."
"The correlation capabilities are the first value that our clients say they like with Splunk."
"The connections to the database are very good and updating the data files is simple to do. The dashboards are useful and user-friendly."
"Its compatibility with other SIEMS is very useful."
"Good for log collection and log management."
"Splunk can extract all kinds of data. There's no limitation on what kind of structured and unstructured data one needs to extract — it can access any kind of data, including machine-generated data."
"It allows us to digest the information, the data, the different data streams, so we can make decisions based upon information that we receive, and it is pretty robust."
"The Activeboards feature is not as mature regarding the look and feel. Its functionality is mature, but the look and feel is not there. For example, if you have some data sets and are trying to get some graphics, you cannot change anything. There's just one format for the graphics. You cannot change the size of the font, the font itself, etc."
"There is room for improvement in the ability to parse different log types. I would go as far as to say the product is deficient in its ability to parse multiple, different log types, including logs from major vendors that are supported by competitors. Additionally, the time that it takes to turn around a supported parser for customers and common log source types, which are generally accepted standards in the industry, is not acceptable. This has impacted customer onboarding and customer relationships for us on multiple fronts."
"There's always room to reduce the learning curve over how to deal with events and machine data. They could make the machine data simpler."
"We only use the core functionality and one of the reasons for this is that their security operation center needs improvement."
"Some basic reporting mechanisms have room for improvement. Customers can do analysis by building Activeboards, Devo’s name for interactive dashboards. This capability is quite nice, but it is not a reporting engine. Devo does provide mechanisms to allow third-party tools to query data via their API, which is great. However, a lot of folks like or want a reporting engine, per se, and Devo simply doesn't have that. This may or may not be by design."
"Some third-parties don't have specific API connectors built, so we had to work with Devo to get the logs and parse the data using custom parsers, rather than an out-of-the-box solution."
"Technical support could be better."
"From our experience, the Devo agent needs some work. They built it on top of OS Query's open-source framework. It seems like it wasn't tuned properly to handle a large volume of Windows event logs. In our experience, there would definitely be some room for improvement. A lot of SIEMs on the market have their own agent infrastructure. I think Devo's working towards that, but I think that it needs some improvement as far as keeping up with high-volume environments."
"I would like to see some kind of visualization included in Graylog."
"Lacks sufficient documentation."
"Graylog can improve the index rotation as it's quite a complex solution."
"The documentation is in definite need of improvement."
"Their technical support sucks."
"Its setup is a little bit complex for a distributed environment. Their support can also be better. If we miss the response for more than a week, they usually close the case. Sometimes, it can take us more than a week to reply."
"The solution could improve by giving more email details."
"It needs a better way to export dynamic views without requiring a ton of code and user/pw."
"The difficult part is related to integration with sources of data that are used to create the logs as this depends on the infrastructure of the client."
"The implementation and the scanning of the logs can be difficult."
"In terms of the interface, it could include some improvements for the look and feel."
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Graylog is ranked 14th in Log Management with 3 reviews while Splunk is ranked 1st in Log Management with 55 reviews. Graylog is rated 8.6, while Splunk is rated 8.0. The top reviewer of Graylog writes "Stable, scalable, easy to install and maintain". On the other hand, the top reviewer of Splunk writes "Very versatile for many use cases". Graylog is most compared with ELK Logstash, Wazuh, Fortinet FortiAnalyzer, syslog-ng and LogRhythm NextGen SIEM, whereas Splunk is most compared with Dynatrace, Datadog, IBM QRadar, ELK Logstash and Fortinet FortiAnalyzer. See our Graylog vs. Splunk report.
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