# Yossi Naar

> Yossi Naar is the Chief Visionary Officer and co-founder of Cybereason, the endpoint detection and response (EDR) company he helped build from a 20-person Tel Aviv startup into a global cybersecurity powerhouse valued at $5 billion. A veteran of Israel's elite Unit 8200 intelligence unit, Naar invented the Malop (Malicious Operation) framework and designed Cybereason's in-memory graph engine - two core innovations that reshaped how defenders visualize and respond to multi-stage cyberattacks. With a career spanning defense-grade security platforms, AdTech big data systems, and cutting-edge cybersecurity, he brings a rare combination of low-level engineering depth and product-level vision to the frontlines of the cyber war.

- **Role:** Chief Visionary Officer at Cybereason
- **Organizations:** Cybereason
- **From:** Israel
- **Nationality:** Israeli
- **Education:** Computer Science / Engineering (exact degree unconfirmed), Hebrew University of Jerusalem, Elite signals intelligence and cyber warfare training, Israeli Defense Forces - Unit 8200
- **Known for:** Co-founded Cybereason, which grew to a $5 billion valuation and raised over $189 million in equity, Invented the Malop (Malicious Operation) framework - a paradigm-shifting approach to multi-stage attack visualization, Designed the Cybereason in-memory graph engine, the foundational architecture powering the platform

## Career timeline

- **Pre-2012** — Served in IDF Unit 8200, Israel's elite signals intelligence and cyber warfare unit
- **Pre-2012** — Built cutting-edge security platforms for the Israeli defense industry
- **Pre-2012** — Developed big data platforms for the AdTech and digital marketing industry
- **2012** — Co-founded Cybereason in Tel Aviv alongside Lior Div and Yonatan Striem-Amit
- **2012-2014** — Designed the Cybereason in-memory graph engine and invented the Malop (Malicious Operation) framework
- **2014** — Cybereason relocated HQ to Boston while maintaining R&D center in Tel Aviv
- **2015** — Led Cybereason's technical architecture as company raised Series A/B and expanded to enterprise market
- **2018** — Delivered keynote 'A Hacker's Perspective' at Cyber Week Tel Aviv at Tel Aviv University
- **2018** — Cybereason raised $100M from SoftBank, valuing company at over $1 billion (unicorn status)
- **2019** — Published 'How To Vet AI Threat Detection Solutions for Stronger Cybersecurity' in Infosecurity Magazine
- **2021** — Cybereason reportedly sought IPO at a $5 billion valuation
- **2023** — Co-founders Lior Div and Yonatan Striem-Amit departed to found 7AI; Naar remained associated with Cybereason
- **2024** — Cybereason acquired by LevelBlue as part of MSSP consolidation play

## Achievements

- Co-founded Cybereason, which grew to a $5 billion valuation and raised over $189 million in equity
- Invented the Malop (Malicious Operation) framework - a paradigm-shifting approach to multi-stage attack visualization
- Designed the Cybereason in-memory graph engine, the foundational architecture powering the platform
- Secured $100 million investment from SoftBank as technical co-founder of Cybereason
- Keynote speaker at Cyber Week Tel Aviv 2018 at Tel Aviv University
- Published cybersecurity insights in Infosecurity Magazine
- Co-hosted Malicious Life Podcast episodes reaching 200,000+ monthly listeners
- Built security platforms for Israel's defense industry pre-Cybereason
- Veteran of IDF Unit 8200, Israel's elite signals intelligence unit

## Latest updates

- **2024-01** — Cybereason acquired by LevelBlue, an AT&T and WillJam Ventures joint venture focused on managed security services
- **2023-11** — Co-founders Lior Div and Yonatan Striem-Amit departed Cybereason to found 7AI, a new Israeli AI security firm
- **2021-06** — Cybereason reportedly targeted a $5 billion IPO valuation in potential public offering

## Links

- Website: https://www.cybereason.com/blog/authors/yossi-naar
- LinkedIn: https://il.linkedin.com/in/yossi-n-35113b1
- Twitter/X: https://x.com/yossinaar
- YouTube: https://www.youtube.com/watch?v=SXPps1w7mHU

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Profile page: https://yespress.io/yossi-naar
Published by YesPress — https://yespress.io
Last updated: 2026-04-30