It would really depend on (1) which logs you need to ingest and (2) what are your use cases
Splunk is easy for ingestion of anything, but the charge per GB/Day Indexed and it gets expensive as log volume increases. Splunk is good for operations style use cases (NOC), but requires ESS and isn't as easy to use or get data out of for SOC style use cases.
Sentinel is good for endpoint Windows Defender Advanced Edition (extra cost, not the free version), analysis and malware findings, and when the data sources are all Windows events (O365/OneDrive/Email/ADFS), but costs go up substantially if the log sources aren't Microsoft events, and support for non-MSFT log sources is limited.
Neither offers real UEBA capabilities IMO.
Splunk has the add-on (entirely different architecture and systems), for the Caspida UEBA.
MSFT will tout UEBA on Sentinel, but it's endpoint related (not network) and I've yet to see use cases on non-MSFT application data events.
Hello community,
We are working on upgrading our SIEM solution and would like to work with Microsoft Sentinel or Palo Alto XSOAR, to be able to combine all on-prem, and cloud app logs into one interface, and be able to benefit from advanced analytics, story building, and automation.
I am preparing a POC to try both but would like to hear your opinion based on your experience and knowledge on ...
Practice Lead- Network & Info Security at Inknowtech
Jan 20, 2022
I believe when we built a solution for any customer SOC environment, we need to take a survey of running equipment, their IoS and our product should compatible with their resources , APIs , third party integration, log management and the reporting mechanism should be good enough to understand each and every security aspects.
There are multiple tools are available for the comparison of different SIEM enterprise solution. As per my experience, splunk and arcsight is compatible for most of the customer environment, even though devices are not updated.
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It would really depend on (1) which logs you need to ingest and (2) what are your use cases
Splunk is easy for ingestion of anything, but the charge per GB/Day Indexed and it gets expensive as log volume increases. Splunk is good for operations style use cases (NOC), but requires ESS and isn't as easy to use or get data out of for SOC style use cases.
Sentinel is good for endpoint Windows Defender Advanced Edition (extra cost, not the free version), analysis and malware findings, and when the data sources are all Windows events (O365/OneDrive/Email/ADFS), but costs go up substantially if the log sources aren't Microsoft events, and support for non-MSFT log sources is limited.
Neither offers real UEBA capabilities IMO.
Splunk has the add-on (entirely different architecture and systems), for the Caspida UEBA.
MSFT will tout UEBA on Sentinel, but it's endpoint related (not network) and I've yet to see use cases on non-MSFT application data events.