In April 2009, ExtraHop acquired $5.1 million in funding from the Madrona Venture Group and other private investors including Marc Andreessen and Ben Horowitz.

[6] By October 2023, Dennis was moved to an advisory role with co-founder and managing partner at Crosspoint Greg Clark taking over as ExtraHop CEO.

[8] ExtraHop operates globally with offices in Seattle, Washington (HQ); London, UK; Germany; France; Australia; Singapore; and Japan.

[10] In 2020, the company introduced Reveal(x) 360,[11] a fully SaaS-based version of their network detection and response platform.

[14] A sample list of known integrations includes: CrowdStrike; Microsoft Defender Security Center; Windows Defender ATP; Microsoft 365; AWS quarantine; Azure Sentinel; Cisco ISE; Palo Alto NGFW, Panorama, Demisto; Splunk SIEM & Phantom; Exabeam; IBM Qradar; ServiceNow; and Check Point.