Company lists · Data verified August 2026

Top 25 Cybersecurity firms based in Hungary

Name: Cybersecurity firms based in Hungary
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 78 companies tracked

There are 78 cybersecurity firms headquartered in Hungary (RevenueBase, August 2026). RevenueBase tracks 1,622 professional contacts across them, including 804 with verified work emails and 161 with mobile numbers. Budapest is the largest hub.

This list covers cybersecurity firms headquartered in Hungary, 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.

78Companies

1,622Contacts tracked

804Verified emails

161Mobile numbers

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The 25 largest cybersecurity firms based in Hungary

Ranked by team size

Top 25 of 78 cybersecurity firms based in Hungary, 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	Opswat	Veszprem	501-1,000	1,107	627
2	Black Cell	Budapest	51-200	48	28
3	Alverad Technology Focus LTD	Budapest	11-50	29	17
4	Balasys	n/a	51-200	28	20
5	Panor Informatika ZRT	n/a	11-50	24	10
6	Bitninja Security	Debrecen	11-50	22	1
7	Noreg LTD	n/a	11-50	19	3
8	Falcon GT Consulting ZRT	n/a	1-10	14	12
9	Biztributor	Budapest	11-50	14	10
10	Itsecure KFT	n/a	11-50	14	5
11	Socurity	Dunakeszi	11-50	13	8
12	Spirity Enterprise Cplc	Budapest	11-50	13	8
13	Gammaorg ZRT	n/a	11-50	13	1
14	Filter MAX KFT	n/a	1-10	12	3
15	Trustaas	Budapest	11-50	10	8
16	Pr-Audit KFT	Budapest	11-50	10	4
17	Ravenfortech	Budapest	11-50	8	6
18	Hackrate	Budapest	11-50	8	3
19	Cdsys Nyrt	n/a	11-50	7	5
20	Socwise	Budapest	51-200	6	4
21	cyex.hu	n/a	11-50	5	2
22	Security.Hu LTD	Budapest	11-50	5	2
23	Exclusive Networks Hungary KFT	Budapest	1-10	4	4
24	BRIND	Budapest	1-10	4	1
25	Subscuto	Budapest	1-10	3	2

Showing 25 of 78 cybersecurity firms based in Hungary

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Cybersecurity firms based in Hungary at a glance

As of Aug 28, 2026

1-10Median size (employees)

BudapestLargest hub · 34 HQs

161Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

501-1,000

Cybersecurity firms by metro

Metro	Companies
Cybersecurity firms in Budapest	34
Cybersecurity firms in Szentendre	2
Cybersecurity firms in Veszprem	1
Cybersecurity firms in Debrecen	1
Cybersecurity firms in Pecel	1
Cybersecurity firms in Tokod	1
Cybersecurity firms in Jaszbereny	1

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 firms”, with match quality audited by blind human judging, and headquartered in Hungary.
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; 2 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 firms are there based in Hungary?

There are 78 cybersecurity firms headquartered in Hungary as of August 2026 (RevenueBase).

What is the largest company on this list?

Opswat, headquartered in Veszprem, tops this list with the largest team on record.

Which city has the most cybersecurity firms?

Budapest leads with 34 headquartered companies, followed by Szentendre (2) and Veszprem (1).

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 804 verified decision-maker contacts tracked across these 78 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.