Company lists · Data verified August 2026

Top 25 Cybersecurity and defense software companies based in Israel

Name: Cybersecurity and defense software companies based in Israel
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 144 companies tracked

There are 144 cybersecurity and defense software companies headquartered in Israel (RevenueBase, August 2026). RevenueBase tracks 6,097 professional contacts across them, including 2,614 with verified work emails and 223 with mobile numbers. Tel Aviv is the largest hub.

This list covers cybersecurity and defense software 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.

144Companies

6,097Contacts tracked

2,614Verified emails

223Mobile numbers

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The 25 largest cybersecurity and defense software companies based in Israel

Ranked by team size

Top 25 of 144 cybersecurity and defense software 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	TSG	Or Yehuda	501-1,000	312	155
4	Kayhut	n/a	201-500	185	99
5	High SEC Labs	Or Akiva	201-500	111	66
6	GENIE	Givat Shmuel	201-500	77	31
7	Bulwarx	Raanana	51-200	68	35
8	Oasis Communication Technologies	Shoham	51-200	66	42
9	Integrity Software Israel	Kfar Saba	51-200	60	30
10	Thirdeye Systems	Netanya Center	51-200	53	23
11	Intensity Global Group	Netanya	51-200	49	24
12	Cognyte Gita Technologies	Tel Aviv	11-50	43	17
13	CWG	Tel Aviv Israel	11-50	38	16
14	Eset Israel Comsecure LTD	Holon	11-50	38	1
15	Kazuar Technologies	Ramat Gan Israel	51-200	35	9
16	CYFOX	n/a	11-50	31	15
17	Cyberillium	Tel Aviv	11-50	28	9
18	Sophtix Security	Givat Shmuel	11-50	24	12
19	Triplecyber	n/a	11-50	22	2
20	Triarii Research	Netanya	11-50	18	1
21	ESC BAZ LTD	n/a	51-200	17	10
22	10root Cyber Security	n/a	11-50	16	7
23	Cyberil LTD	n/a	11-50	15	13
24	Cyber 2.0	n/a	11-50	15	6
25	Clearsky Cyber Security	Tel Aviv	11-50	15	5

Showing 25 of 144 cybersecurity and defense software companies based in Israel

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Cybersecurity and defense software companies based in Israel at a glance

As of Aug 28, 2026

11-50Median size (employees)

Tel AvivLargest hub · 32 HQs

223Contacts with mobile numbers

5Emails 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+

Cybersecurity and defense software companies by metro

Metro	Companies
Cybersecurity and defense software companies in Tel Aviv	32
Cybersecurity and defense software companies in Tel-Aviv	7
Cybersecurity and defense software companies in Raanana	6
Cybersecurity and defense software companies in Ramat Gan	5
Cybersecurity and defense software companies in Herzliya	5
Cybersecurity and defense software companies in Israel	5
Cybersecurity and defense software companies in Beer Sheva	4

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 “cybersecurity and defense software 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; 5 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 cybersecurity and defense software companies are there based in Israel?

There are 144 cybersecurity and defense software 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 cybersecurity and defense software companies?

Tel Aviv leads with 32 headquartered companies, followed by Tel-Aviv (7) and Raanana (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 2,614 verified decision-maker contacts tracked across these 144 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.