Company lists · Data verified August 2026

Top 25 Cybersecurity defense companies based in Israel

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 241 companies tracked

There are 241 cybersecurity defense companies headquartered in Israel (RevenueBase, August 2026). RevenueBase tracks 4,900 professional contacts across them, including 2,099 with verified work emails and 338 with mobile numbers. Tel Aviv is the largest hub.

This list covers cybersecurity defense 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.

241Companies

4,900Contacts tracked

2,099Verified emails

338Mobile numbers

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The 25 largest cybersecurity defense companies based in Israel

Ranked by team size

Top 25 of 241 cybersecurity defense 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	ALLOT	Hod-Hasharon	501-1,000	852	295
2	Cybereason, A Levelblue Company	Tel Aviv	1,001-5,000	576	377
3	Sygnia	Tel Aviv	201-500	249	80
4	Cujo AI	n/a	201-500	238	184
5	Matrix 2bsecure	Tel Aviv	51-200	181	85
6	Cyberint	n/a	51-200	157	88
7	Cymotive Technologies	Tel	51-200	150	78
8	We Ankor	n/a	51-200	124	69
9	High SEC Labs	Or Akiva	201-500	111	66
10	GENIE	Givat Shmuel	201-500	77	31
11	Intezer	Tel Aviv	51-200	71	37
12	stream.security	Tel Aviv	51-200	69	30
13	Bulwarx	Raanana	51-200	68	35
14	Oasis Communication Technologies	Shoham	51-200	66	42
15	Integrity Cyber Consulting	Tel Aviv	51-200	64	4
16	Thirdeye Systems	Netanya Center	51-200	53	23
17	Intensity Global Group	Netanya	51-200	49	24
18	Cybercom	Holon	51-200	42	29
19	CWG	Tel Aviv Israel	11-50	38	16
20	Eset Israel Comsecure LTD	Holon	11-50	38	1
21	Codsec	Ramat Gan	11-50	37	16
22	Kazuar Technologies	Ramat Gan Israel	51-200	35	9
23	Spider Solutions	n/a	51-200	33	24
24	Madsec	Tel Aviv	11-50	33	20
25	Cyberillium	Tel Aviv	11-50	28	9

Showing 25 of 241 cybersecurity defense companies based in Israel

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Cybersecurity defense companies based in Israel at a glance

As of Aug 28, 2026

11-50Median size (employees)

Tel AvivLargest hub · 67 HQs

338Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

105

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Cybersecurity defense companies by metro

Metro	Companies
Cybersecurity defense companies in Tel Aviv	67
Cybersecurity defense companies in Ramat Gan	9
Cybersecurity defense companies in Tel-Aviv	7
Cybersecurity defense companies in Holon	7
Cybersecurity defense companies in Herzliya	6
Cybersecurity defense companies in Petah Tikva	6
Cybersecurity defense companies in Raanana	6

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 defense 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; 4 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 defense companies are there based in Israel?

There are 241 cybersecurity defense companies headquartered in Israel as of August 2026 (RevenueBase).

What is the largest company on this list?

ALLOT, headquartered in Hod-Hasharon, tops this list with the largest team on record.

Which city has the most cybersecurity defense companies?

Tel Aviv leads with 67 headquartered companies, followed by Ramat Gan (9) and Tel-Aviv (7).

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 2,099 verified decision-maker contacts tracked across these 241 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.