# SIEM Custom Data **URL:** \ **Category:** Logstash\ **Created:** [October 15, 2019, 11:19pm UTC](https://discuss.elastic.co/t/siem-custom-data/203723 "2019-10-15T23:19:20Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![JDMurph](https://avatars.discourse-cdn.com/v4/letter/j/aeb1de/32.png) [@JDMurph](https://discuss.elastic.co/u/JDMurph)\ **Post date:** [October 15, 2019, 11:19pm UTC](https://discuss.elastic.co/t/siem-custom-data/203723/1 "2019-10-15T23:19:20Z")
I am just trying to get some custom data into SIEM using Logstash reading a csv file. I have no trouble getting the data into Elastic Search but it does not show up in the SIEM dashboard. Even after I add the index under the default index for SIEM. I think where I am going wrong is my data is not being mapped to the ECS. How would I go about mapping data to the ECS using logstash and reading in a csv file? Thanks ---
**Author:** ![daniel.dayley](https://avatars.discourse-cdn.com/v4/letter/d/e9bcb4/32.png) [@daniel.dayley](https://discuss.elastic.co/u/daniel.dayley)\ **Post date:** [October 21, 2019, 7:36pm UTC](https://discuss.elastic.co/t/siem-custom-data/203723/2 "2019-10-21T19:36:31Z")
I've been trying to track down a solid list of fields that the SIEM host and Network modules want, and haven't been able to. I have a good list of partials I've managed to extract from putting some data in with Filebeat, but it's far from complete. I'm sure there's a good list buried somewhere in the Kibana source, but I haven't been able to find it. ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [November 18, 2019, 7:36pm UTC](https://discuss.elastic.co/t/siem-custom-data/203723/3 "2019-11-18T19:36:33Z")
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