# Eyal Gruner

> Eyal Gruner is an Israeli cybersecurity founder and investor. He co-founded BugSec and Versafe, which F5 acquired in 2013, and founded Cynet in 2015 to simplify security for organizations with limited resources. After serving as Cynet CEO, he moved to its board and a strategic advisory role in 2025. His wider activities include a seed investment in Cymulate and a board seat at Cycode.

- **Role:** Founder and Board Director at Cynet Security
- **Organizations:** Cynet Security, BugSec, Versafe, F5 Networks, Cymulate, Cycode
- **Nationality:** Israeli
- **Known for:** Co-founded Versafe, acquired by F5 in 2013. F5’s fiscal 2013 filing records $87.7 million in cash for the acquisition., Founded Cynet and led it as CEO until its 2025 leadership transition., Provided seed investment to Cymulate, explicitly acknowledged in its May 2021 funding announcement.

## Career timeline

- **2004** — Teenage bank security discovery led to professional security work, as recounted in later interviews.
- **2005** — Co-founded cybersecurity consultancy BugSec.
- **2013** — F5 announced its acquisition of Versafe, which Gruner co-founded.
- **2015** — Founded Cynet.
- **2016** — Cynet announced $7 million from Lazarus after initial founder funding.
- **2018** — Cynet announced a $13 million Series B.
- **2021** — Cynet announced a $40 million Series C led by Greenfield Partners.
- **2025** — Jason Magee succeeded Gruner as CEO; Gruner joined the board and became a strategic advisor.

## Achievements

- Co-founded Versafe, acquired by F5 in 2013. F5’s fiscal 2013 filing records $87.7 million in cash for the acquisition.
- Founded Cynet and led it as CEO until its 2025 leadership transition.
- Provided seed investment to Cymulate, explicitly acknowledged in its May 2021 funding announcement.
- Listed on Cycode’s board of directors.

## Latest updates

- **2025-02** — Cynet announced Jason Magee as CEO; Gruner moved to its board and a strategic advisory role.
- **2026-10** — At the research date, Cynet’s official board page lists Gruner as Board Director, Founder, and Cycode’s official site lists him on its board.

## Links

- LinkedIn: https://www.linkedin.com/in/eyal-gruner/

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Profile page: https://yespress.io/eyal-gruner
Published by YesPress — https://yespress.io
Last updated: 2026-10-20