. The Elastic (ELK) Stack is one of the most popular open-source tools used within many SIEM systems. The ELK system stacks Elasticsearch, Logstash, and Kibana to create a complete open-source log management system utilized by a variety of businesses
Correlation capabilities are a capability included in SIEM systems that the ELK stack doesn't have
While ELK stack doesn't provide a built-in alert system, the capability can be added with a plugin that integrates with ELK tools.
While ELK does have storage capabilities, it's important to note the lack of long-term retention provided by the system.
The ability to add a plugin that provides alerts in ELK stack doesn't include the capability of reacting to these alerts. While an in-house SOC team can have a written procedure in place for managing incidents and alerts, the lack of automated response can delay vital actions.
ELK does take care of log collection, processing, and storage. However, it doesn't accomplish event correlation, alert capabilities, and incident management out of the box.
it doesn't check all the boxes of a comprehensive SIEM system.
Cloud-based SIEM can be self-managed or managed by your MSSP.
pany-owned software, but eliminate the monthly provider fee. If you already have an in-house security team in place to manage the system, costs will be limited to the purchase of new software and upgrades