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Commercial vs. open-source SIEM: pros and cons | Kaspersky official blog
- Open-source solutions are commonly used in the IT market, including for building SIEM systems.
- Setting up a SIEM system using open-source tools like Logstash, Elasticsearch, and Kibana offers flexibility and cost savings.
- Building a custom OSS SIEM requires time, specialized skills, and ongoing support from a dedicated team.
- Implementing a self-built SIEM or OSS solution can significantly extend the time to deliver real value compared to ready-made solutions.
- Shortages in specialized skills for high-load system design and content creation can be a challenge for SIEM builders.
- Compliance efforts are more demanding for self-built SIEMs compared to commercial solutions with built-in certification processes.
- Vendor lock-in and employee dependence are key considerations when deciding between open-source and commercial SIEM solutions.
- Open-source SIEMs may offer simplicity in customization but can lead to higher long-term total cost of ownership due to maintenance expenses.
- Commercial SIEM solutions provide regular updates, threat intelligence feeds, and support, reducing the burden on in-house security teams.
- Choosing an open-source SIEM involves careful evaluation of hardware costs and architectural decisions that can impact operational expenses.
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