# Tamar Bar-Ilan

> Tamar Bar-Ilan is the Israeli co-founder and chief technology officer of Cyera, the New York-based data and AI security company he launched with Yotam Segev in 2021. A Talpiot and Unit 8200 alumnus, he helped steer Cyera from early customer discovery and a discarded first concept toward technology for finding sensitive data and governing access to it. Cyera announced a $600 million Series G at a $12 billion valuation in June 2026.

- **Role:** Co-founder and Chief Technology Officer at Cyera
- **Organizations:** Cyera, Israel Defense Forces Unit 8200, Talpiot program
- **Nationality:** Israeli
- **Education:** With honors; degree unspecified, The Hebrew University of Jerusalem
- **Known for:** Co-founded Cyera in 2021 and leads its technology work as CTO., Helped develop Cyera’s data discovery and classification platform, later expanded into data loss prevention and AI security., Cyera announced a $600 million Series G at a $12 billion valuation in June 2026.

## Career timeline

- **2010-2013** — Studied at the Hebrew University of Jerusalem, according to his LinkedIn profile.
- **Before 2021** — Met Yotam Segev and Yonatan Itai in the Talpiot program and worked with them in Unit 8200.
- **2021** — Co-founded Cyera with Yotam Segev.
- **2022** — Cyera announced a $56 million Series A for its cloud data security platform.
- **2023** — Wrote about Cyera’s data security platform and SafeType experiment.
- **2024** — Cyera acquired Trail, extending its work into data loss prevention.
- **2026-02** — Authored a Cyera post on the AWS Security Hub Extended partnership.
- **2026-06** — Cyera announced a $600 million Series G at a $12 billion valuation.

## Achievements

- Co-founded Cyera in 2021 and leads its technology work as CTO.
- Helped develop Cyera’s data discovery and classification platform, later expanded into data loss prevention and AI security.
- Cyera announced a $600 million Series G at a $12 billion valuation in June 2026.

## Latest updates

- **2026-06** — Cyera announced a $600 million Series G at a $12 billion valuation; Bar-Ilan appeared with Segev in a Forbes video about the company.
- **2026-04** — Discussed Cyera’s ambition and AI security direction in a CTech interview; Cyera also announced its acquisition of Ryft.
- **2026-02** — Published a Cyera article on its AWS Security Hub Extended partnership.

## Links

- Website: https://www.cyera.com/team/tamar-bar-ilan
- LinkedIn: https://www.linkedin.com/in/tamar-bar-ilan-67bb481a7

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Profile page: https://yespress.io/tamar-bar-ilan
Published by YesPress — https://yespress.io
Last updated: 2026-09-29