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Top Cybersecurity companies in Israel

Companies defending or attacking software, networks, and cloud infrastructure. Filtered to companies headquartered in Israel.

Built from a search like: Top Cybersecurity companies in Israel

Ranked by current headcount across Cybersecurity companies headquartered in Israel. Refreshed daily.

  1. 1
    Cato Networks· Tel Aviv-Yafo, Tel Aviv District, Israel
    • Series G
    • 1.6k employees
    • Founded 2015
  2. 2
    Radware· Tel Aviv-Yafo, Tel Aviv District, Israel
    • Series A
    • 1.6k employees
    • Founded 1997
  3. 3
    XM Cyber· Tel Aviv-Yafo, Tel Aviv District, Israel
    • Series B
    • 451 employees
    • Founded 2016
  4. 4
    Dream· Tel Aviv-Yafo, Tel Aviv District, Israel
    • Secondary
    • 298 employees
    • Founded 2022
  5. 5
    Sygnia· Tel Aviv-Yafo, Tel Aviv District, Israel
    • 261 employees
    • Founded 2015
  6. 6
    Comsec· Tel Aviv-Yafo, Tel Aviv District, Israel
    • 252 employees
    • Founded 1987
  7. 7
    Zenity· Tel Aviv-Yafo, Tel Aviv District, Israel
    • Series B
    • 207 employees
    • Founded 2021
  8. 8
    KayHut· Herzliya, Tel Aviv District, Israel
    • 196 employees
    • Founded 2012
  9. 9
    CYE· Herzliya, Tel Aviv District, Israel
    • Series A
    • 182 employees
    • Founded 2012
  10. 10
    Matrix 2Bsecure· Petah Tikva, Center District, Israel
    • 180 employees
    • Founded 2003
  11. 11
    Hunters· Tel Aviv-Yafo, Tel Aviv District, Israel
    • Series C
    • 179 employees
    • Founded 2018
  12. 12
    Koi· Tel Aviv-Yafo, Tel Aviv District, Israel
    • Series A
    • 178 employees
    • Founded 2023
  13. 13
    Cyberint, a Check Point Company· Tel Aviv-Yafo, Tel Aviv District, Israel
    • Series C
    • 172 employees
    • Founded 1993
  14. 14
    Upstream Security· Herzliya, Tel Aviv District, Israel
    • Series unknown
    • 166 employees
    • Founded 2017
  15. 15
    KELA - Cyber Threat Intelligence· Tel Aviv-Yafo, Tel Aviv District, Israel
    • Private equity
    • 153 employees
    • Founded 2015
  16. 16
    Guardio· Tel Aviv-Yafo, Tel Aviv District, Israel
    • Series B
    • 144 employees
    • Founded 2018
  17. 17
    Prologic Ltd.· Rosh HaAyin, Center District, Israel
    • 144 employees
    • Founded 2007
  18. 18
    Citadel Cyber Security· Rehovot, Center District, Israel
    • 143 employees
    • Founded 2009
  19. 19
    PlaxidityX (Formerly Argus)· Herzliya, Tel Aviv District, Israel
    • Series B
    • 140 employees
    • Founded 2014
  20. 20
    CYMOTIVE Technologies· Tel Aviv-Yafo, Tel Aviv District, Israel
    • 136 employees
    • Founded 2016
  21. 21
    Hub Technologies· Tel Aviv-Yafo, Tel Aviv District, Israel
    • Post-IPO debt
    • 121 employees
    • Founded 2017
  22. 22
    TrustNet | Cyber Security· Petah Tikva, Center District, Israel
    • 121 employees
    • Founded 2005
  23. 23
    Waterfall Security Solutions· Rosh HaAyin, Center District, Israel
    • Series unknown
    • 113 employees
    • Founded 2007
  24. 24
    IONIX· Tel Aviv-Yafo, Tel Aviv District, Israel
    • Series A
    • 108 employees
    • Founded 2017
  25. 25
    Remedio (formerly GYTPOL)· Tel Aviv District, Israel
    • Series unknown
    • 102 employees
    • Founded 2019

Find engineers at Cybersecurity companies in Israel

Israel has long been a hub for Cybersecurity, and the list above ranks the largest Cybersecurity companies headquartered there by current headcount, drawn from public LinkedIn and Crunchbase records. With 223 matching companies in our index, this is a good map of where the Cybersecurity talent in Israellives — useful whether you’re recruiting, partnering, or sizing a market.

The biggest Cybersecurity companies in Israel tend to be the gravitational centres for specialised talent — senior engineers, ML researchers, applied scientists, designers — while the smaller ones compete on speed, equity, and proximity to founders.

Refolk converts this list into a live search. Ask for Cybersecurity engineers in Israelhiring senior staff” or “founders of Cybersecurity companies in Israelwho left in the last 12 months” and Refolk returns a ranked shortlist with the evidence that earned each person a spot.

How this list is built

Refolk pulled Cybersecurity companies headquartered in Israel from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 10 employees. The list refreshes once a day.

Last refreshed: Thu, 07 May 2026 06:41:25 GMT

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