User Reviews of Elastic Observability & Splunk Enterprise Security

Updated April 2025

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Elastic Observability review

Adelina Craciun
Adelina Craciun
Product Owner at Swisscom
Customization enables tailored monitoring and alerting across departments
The possibility to customize it has been quite useful. Whatever the other departments want to dream up, we implement. Whatever they want to monitor, the granularity of it, the changes in the threshold, and the anomalies that they want reported all require some development. So far, every single request has been fulfilled.
Splunk Enterprise Security review

ROBERT-CHRISTIAN
ROBERT-CHRISTIAN
CTO at a tech vendor with 10,001+ employees
Has many predefined correlation rules and is brilliant for investigation and log...
It is very complicated to write your own correlation rules without the help of Splunk support. What Splunk could do better is to create an API to the standard SIEM tools, such as Microsoft Sentinel. The idea would be to make it less painful. In ELK Stack, Kibana is the query language with which you can search log files. I believe Splunk has...

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