Compare Graylog vs. Splunk

Graylog is ranked 6th in Log Management with 7 reviews while Splunk which is ranked 1st in Log Management with 60 reviews. Graylog is rated 8.4, while Splunk is rated 8.4. The top reviewer of Graylog writes "Provides the ability to write custom alerts, which are key to information security and compliance". On the other hand, the top reviewer of Splunk writes "Its AMIs make it easy to spin up a Splunk cluster or add a new node to it". Graylog is most compared with Splunk, ELK Logstash and AT&T AlienVault USM, whereas Splunk is most compared with IBM QRadar, Dynatrace and Graylog. See our Graylog vs. Splunk report.
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144,906 views|74,340 comparisons
Most Helpful Review
JasonCrow
Find out what your peers are saying about Graylog vs. Splunk and other solutions. Updated: July 2019.
352,552 professionals have used our research since 2012.
Quotes From Members

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

Pros
The product satisfies our compliance, and thus, all of our auditors. All of the data that we use and store for all security events is required by our auditors to be kept in a central storage location.If we need to do a search for user lockouts, we can go, search, and find locations where they have been locked out, then keep track of those events, historically.The network alert is the most valuable feature. That way, we in the IT department are aware of user lockout and invalid password attempts way before a user ever even calls in.The most important feature is keeping track of when accounts are created and deleted, when permission groups are changed, and memberships are changed in groups; and overall, how many errors are occurring on the various systems that we're monitoring.The SIEMs and managed service are its most valuable features. We get a weekly report from them which provides a culmination of them combing through millions of events which are triggered across our network every day and minute. Their information security experts basically boil that down to a report which I get emailed once a week. It identifies potential threats and the remediation that I should take to be able to quell those threats.

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Real-time UDP/GELF logging and full text-based searching.UDP is a fast and lightweight protocol, perfect for sending large volumes of logs with minimal overhead.Storing logs in Elasticsearch means log retrieval is extremely fast, and full text search is available by default.We run a containerized microservices environment. Being able to set up streams and search for errors and anomalies across hundreds of containers is why a log aggregation platform like Graylog is valuable to us.Allowing us to set up alerts and integrate with platforms we already use, such as Slack and OpsGenie to alert users of these errors proactively, is also a very useful feature.It is used as a log manager/SIEM. It provides visibility into the infrastructure and security related events.The build is stable and requires little maintenance, even compared to some extremely expensive products.We have scaled from a single machine installation (a VM with a Graylog + ES + MongoDB) to (2 Graylog + 2 ES + 3 MongoDB). This was done smoothly with a minimal impact on logging.

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It helps us uncover bottlenecks in the network.it can explain to management about what kind of traffic is visiting the network. It can also explain other traffic coming in and out, along with protecting against malware.The initial setup is really straightforward. It's one of the easiest installations.The most valuable feature of Splunk is the log monitoring.It can log more logs than other solutions. It's a good way to troubleshoot problems.With good domain knowledge, one can build almost anything. If you throw in Alert Manager or an integration with ServiceNow. Then, you have your own SIEMOur clients are easily able to modify and evolve their implementations.We can present to our management in real time the security of the batch management for the PCs, security regarding the network equipment. We're currently working in the Azure Cloud project, so we can send any logs from the cloud to Splunk. We can monitor them and we can present to the managers and customers. It's a very good solution for reporting. We use Splunk for reporting and monitoring of any solution in the company.

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Cons
The biggest problem is that we have too many domain controllers. So, we have to keep all the clients and main system updated with the latest versions along with making sure all the firewalls are open.There are some issues with searches taking a long period of time, but they assured me that they have implemented a new search function that's available in version 9, but which requires a solid-state hard drive... Depending on how many logs you have it could take a long time to return the results if you're looking back prior to the last 30 days.I'd like to see improvement in the ease of generating reports. It seems fairly cumbersome whenever you decide to start tracking new categories of events. It seems a little kludgy when trying to generate those reports.The deployment of the agents could be a bit easier. We always seem to have a bit of a challenge with that. A lot of times the agents either don't deploy or they quit responding, then we have to go and redeploy them.

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More complex visualizations and the ability to execute custom Elasticsearch queries would be great.With technical support, you are on your own without an enterprise license.Elasticsearch recommendations for tuning could be better. Graylog doesn't have direct support for running the system inside of Kubernetes, so it can be challenging to fill in the gaps and set up containers in a way that is both performant and stable.We ran into problems with Elasticsearch throwing a circuit-breaking exception due to field data size being too large. It turned out that the heap size directly impacted this size in a high-throughput environment, causing unexplained instability in Graylog. We were able to troubleshoot on the Elasticsearch size, but we should have been able to reference some minimum requirements for Graylog to know that our settings weren't sufficient.Since container orchestration systems are popular and Graylog fits the niche well, perhaps they could officially support running in docker containers on Kubernetes as a StatefulSet as a use case. That way, the declarative nature of Kubernetes config files would document their best case deployment scenario-Dashboards, stream alerts and parsing could be improved.Over six months, I had two similar issues where searches were performed on field "messages". It exhausted all the memory of the ES node causing an ES crash and a Graylog halt.There should be some user groups and an auto sign-in feature.​

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The product was difficult to back up the first time.Splunk needs local technical support.They should make data onboarding easier.If possible, we would like to have not only a log monitoring system but a network monitoring feature in this solution as well.Cybersecurity and infrastructure monitoring have room for improvement.It needs a better way to export dynamic views without requiring a ton of code and user/pw.It needs integration with a configuration management solution.It needs integration with a configuration management solution.

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Pricing and Cost Advice
The upfront costs have increased, and we have been locked into this contract. The cost of changing over from it is way too high.The solution is fairly expensive, but in my experience, all of the SIEM applications that I've evaluated or looked at cost about the same.Licensing is very easy. Our CIO takes care of the billing, but in terms of price point, he hasn't complained, so it must be good.The pricing and licensing seem very reasonable. The managed service part of it feels like it gives me the equivalent of a full-time engineer for a lot less money. So, I feel it's a good value.

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​You get a lot out-of-the-box with the non-enterprise version, so give it a try first.Consider Enterprise support if you have atypical needs or setup requirements.​If you want something that works and do not have the money for Splunk or QRadar, take Graylog.​​I am using a community edition. I have not looked at the enterprise offering from Graylog.Having paid official support is wise for projects.

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Splunk should be able to integrate with other product using the free version.The pricing and licensing of the product are quite high.Splunk is really expensive.Splunk's cost is very high. They need to review the pricing. They have to go back and totally readdress the market.It's a little bit expensive for a small to medium enterprise.I think the price could be improved.I am not personally involved with the pricing of the solution.Some of the insights that we have obtained as a part of using Splunk have greatly helped us in increasing our revenue in terms of selling our products.

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Top Comparisons
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Also Known As
Graylog2
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Netsurion
Graylog
Splunk
Overview

EventTracker by Netsurion delivers actionable security intelligence that empowers organizations of any size to effectively detect and respond to advanced threats.

EventTracker Security Center
EventTracker Security Center is one platform for all critical SIEM capabilities necessary for real-time security monitoring, advanced threat detection and response, and audit-ready compliance. With Security Center, you are able to quickly identify security threats, malware, unusual behavior and suspicious network traffic, and respond more effectively.

EventTracker SIEMphonic
EventTracker SIEMphonic is our Co-Managed SIEM service that functions as an extension of your team to strengthen defenses, respond in real-time, control costs, and optimize your team's abilities. EventTracker SIEMphonic is includes our own award-winning platform that has been included in the Gartner Magic Quadrant for SIEM for 11 consecutive years. Whether on-premise or in the cloud, our 24/7 ISO/IEC 27001-certified Security Operations Center (SOC) provides expertise so you can focus on the unique requirements of your organization.

Graylog is purpose-built to deliver the best log collection, storage, enrichment, and analysis. Graylog is:

  • Considerably faster analysis speeds.
  • More robust and easier-to-use analysis platform.
  • Simpler administration and infrastructure management.
  • Lower cost than alternatives.
  • Full-scale customer service.
  • No expensive training or tool experts required.

Splunk software has been around since 2006 and the company has since grown to become an industry leader. Splunk's vision is to make machine data accessible, usable and valuable to everybody. The company offers a wide range of products to turn machine data into valuable information by monitoring and analyzing all activities. This is known as Operational Intelligence and is the unique value proposition of Splunk.

Splunk is well-known for its Log Management capabilities and also for its Security Information and Event Management (SIEM) solutions.

Offer
Learn more about EventTracker
Learn more about Graylog
Learn more about Splunk
Sample Customers
The Salvation Army, The FRESH Market, Pacific Western Bank, AAOS, Vanderbilt University, TalbotsBlue Cross Blue Shield, eBay, Cisco, LinkedIn, SAP, King.com, Twilio, Deutsche Presse-AgenturSplunk has more than 7,000 customers spread across over 90 countries. These customers include Telenor, UniCredit, ideeli, McKenney's, Tesco, and SurveyMonkey.
Top Industries
VISITORS READING REVIEWS
Financial Services Firm28%
Manufacturing Company28%
Comms Service Provider22%
Retailer4%
No Data Available
REVIEWERS
Financial Services Firm19%
Energy/Utilities Company15%
Retailer13%
Insurance Company8%
VISITORS READING REVIEWS
Financial Services Firm17%
Comms Service Provider12%
Healthcare Company12%
Manufacturing Company10%
Find out what your peers are saying about Graylog vs. Splunk and other solutions. Updated: July 2019.
352,552 professionals have used our research since 2012.
We monitor all Log Management reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.
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