# Respond Software

> Respond Software built the Respond Analyst, a cloud-based XDR engine that connected evidence from existing security tools and automated the first pass of cyber investigations. Founded in Mountain View in 2016, it sold to enterprises, government bodies and managed service providers before FireEye acquired it in November 2020 for approximately $186 million.

- **Founded:** 2016
- **Headquarters:** Mountain View, United States
- **Founders:** Mike Armistead (Co-founder and CEO), Chris Calvert (Co-founder and product leader), Robert Hipps (Co-founder and VP of Engineering)
- **Products:** Respond Analyst, First Responder Service
- **Notable:** Gartner Cool Vendor recognition in Security Operations and Vulnerability Management, cited by Respond in 2019., More than 65 security sensors and IT devices supported in the September 2020 XDR release, according to the company., More than 150 customers at acquisition, according to FireEye's investor presentation.

## Products & services

- **Respond Analyst** — Cloud-based XDR engine that ingested signals from security controls and data repositories, correlated evidence, scoped potential attacks and escalated actionable incidents.
- **First Responder Service** — Managed detection and response service built around Respond's automated analysis.

## Achievements

- Gartner Cool Vendor recognition in Security Operations and Vulnerability Management, cited by Respond in 2019.
- More than 65 security sensors and IT devices supported in the September 2020 XDR release, according to the company.
- More than 150 customers at acquisition, according to FireEye's investor presentation.
- Acquired by FireEye on November 18, 2020 in a transaction valued at approximately $186 million.

## Latest updates

- **2020-09** — Respond released an expanded XDR engine with more than 65 supported sensors and devices and attack modeling for lateral movement.
- **2020-10** — Respond announced its Earthling Security alliance and U.S. Air Force contract; FedRAMP authorization was an objective, not a completed status.
- **2020-11** — FireEye acquired Respond Software and planned to integrate the engine into Mandiant Advantage.
- **2021-02** — FireEye's annual report described Mandiant Defense as formerly Respond Security Analyst.

## Links

- Website: https://respond-software.com/
- LinkedIn: https://www.linkedin.com/company/respond-software-inc.
- YouTube: https://www.youtube.com/c/RespondSoftware
- Facebook: https://www.facebook.com/Resp0ndSoftware

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Profile page: https://yespress.io/respond
Published by YesPress — https://yespress.io
Last updated: 2026-09-28