Company lists · Data verified August 2026

Top 25 Defense cybersecurity companies based in Israel

Name: Defense cybersecurity companies based in Israel
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 182 companies tracked

There are 182 defense cybersecurity companies headquartered in Israel (RevenueBase, August 2026). RevenueBase tracks 7,104 professional contacts across them, including 2,936 with verified work emails and 276 with mobile numbers. Tel Aviv is the largest hub.

This list covers defense cybersecurity companies headquartered in Israel, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

182Companies

7,104Contacts tracked

2,936Verified emails

276Mobile numbers

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The 25 largest defense cybersecurity companies based in Israel

Ranked by team size

Top 25 of 182 defense cybersecurity companies based in Israel, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Elbit Systems	Haifa	10001+	2,102	1,265
2	Rafael Advanced Defense Systems	n/a	5,001-10,000	1,768	573
3	MER Group	Or Yehuda Israel	501-1,000	403	25
4	TSG	Or Yehuda	501-1,000	312	155
5	Sygnia	Tel Aviv	201-500	249	80
6	Kayhut	n/a	201-500	185	99
7	High SEC Labs	Or Akiva	201-500	111	66
8	Ictbit Solutions	Rosh Haayin Israel	201-500	104	58
9	Rayzone Group	Tel Aviv	51-200	85	11
10	GENIE	Givat Shmuel	201-500	77	31
11	stream.security	Tel Aviv	51-200	69	30
12	Bulwarx	Raanana	51-200	68	35
13	Oasis Communication Technologies	Shoham	51-200	66	42
14	Thirdeye Systems	Netanya Center	51-200	53	23
15	Intensity Global Group	Netanya	51-200	49	24
16	Cognyte Gita Technologies	Tel Aviv	11-50	43	17
17	Cybercom	Holon	51-200	42	29
18	CWG	Tel Aviv Israel	11-50	38	16
19	Kazuar Technologies	Ramat Gan Israel	51-200	35	9
20	Madsec	Tel Aviv	11-50	33	20
21	Cyberillium	Tel Aviv	11-50	28	9
22	10secure	n/a	11-50	27	19
23	Cybersafe	Jerusalem	11-50	25	10
24	Sophtix Security	Givat Shmuel	11-50	24	12
25	Scadasudo LTD	Herzliya Israel	11-50	23	15

Showing 25 of 182 defense cybersecurity companies based in Israel

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Defense cybersecurity companies based in Israel at a glance

As of Aug 28, 2026

11-50Median size (employees)

Tel AvivLargest hub · 44 HQs

276Contacts with mobile numbers

6Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Defense cybersecurity companies by metro

Metro	Companies
Defense cybersecurity companies in Tel Aviv	44
Defense cybersecurity companies in Herzliya	6
Defense cybersecurity companies in Israel	6
Defense cybersecurity companies in Rishon Lezion	5
Defense cybersecurity companies in Ramat Gan	5
Defense cybersecurity companies in Holon	5
Defense cybersecurity companies in Raanana	5

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “defense cybersecurity companies”, with match quality audited by blind human judging, and headquartered in Israel.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Contact records re-verify on a rolling cadence; 6 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many defense cybersecurity companies are there based in Israel?

There are 182 defense cybersecurity companies headquartered in Israel as of August 2026 (RevenueBase).

What is the largest company on this list?

Elbit Systems, headquartered in Haifa, tops this list with the largest team on record.

Which city has the most defense cybersecurity companies?

Tel Aviv leads with 44 headquartered companies, followed by Herzliya (6) and Israel (6).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,936 verified decision-maker contacts tracked across these 182 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.