Integrating Elasticsearch with ArcSight SIEM - Part 3
Blog post from Elastic
The blog post, part of a six-part series, discusses how to scale the integration of ArcSight with the Elastic Stack, specifically focusing on enhancing the architecture for improved performance and retention. It details the use of a hot-warm architecture for Elasticsearch to manage high indexing throughput and long retention policies. The post highlights the incorporation of a message queue, such as Kafka, between ArcSight and Elasticsearch to provide architectural isolation and scalability for Logstash instances. Kafka also serves as a buffer for incoming data during peak periods to prevent data loss, while Logstash ensures end-to-end delivery, albeit with some risk of data loss if a Logstash instance fails. The post further explains how to set up the Elastic Stack, including Elasticsearch, Kibana, and Logstash, and integrate Kafka to pull data for indexing into Elasticsearch. Additionally, it mentions using Docker for simplifying installation and configuration and emphasizes the importance of maintaining updated credentials across the setup to ensure seamless operation.
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