Splunk, a Cisco Company

Data platform for searching, monitoring, and analyzing machine data, widely used as a SIEM.

Splunk ingests logs and machine data at scale and lets teams search, correlate, and alert on it, serving both security operations and observability use cases. Its SIEM and SOAR products anchor many enterprise SOCs. Founded in 2003, Splunk was acquired by Cisco in 2024 and now forms the core of Cisco's security analytics portfolio.

Category

SIEM & Security Data

Founded

2003

Funding

$2.4B raised (2022)

Website

https://www.splunk.com

Seen at Black Hat USA 2026 (Business Hall Networking Lounge sponsor).

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