Friday, March 1, 2019

Securing the ELK Stack With Nginx

If you’ve been following Elasticsearch-related news over the past few months, you’ve most likely heard about a series of cases in which sensitive data stored in Elasticsearch clusters was exposed. Here’s a recap just in case — EquifaxCITIAIESEC to name just a few.

Elasticsearch features are available via an extensive REST API over HTTP, which makes it easy to fit it into modern architectures. It’s super easy to create a new index, search across multiple indices, and perform other management actions. Since Elasticsearch and Kibana don’t ship with built-in authentication, this also means that data can be easily exposed to malicious activity if simple yet necessary steps are not taken to secure it.



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