Company lists · Data verified August 2026

Top 25 Cybersecurity defense companies based in Austria

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 68 companies tracked

There are 68 cybersecurity defense companies headquartered in Austria (RevenueBase, August 2026). RevenueBase tracks 610 professional contacts across them, including 345 with verified work emails and 9 with mobile numbers. Wien is the largest hub.

This list covers cybersecurity defense companies headquartered in Austria, 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.

68Companies

610Contacts tracked

345Verified emails

9Mobile numbers

Unlock all 68 companies Free account · no credit card · 2 minutes

The 25 largest cybersecurity defense companies based in Austria

Ranked by team size

Top 25 of 68 cybersecurity defense companies based in Austria, 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	Infoguard AG	Wien	201-500	202	122
2	Mann&mouse IT Services Gmbh	Wels	51-200	64	48
3	Creaplus	n/a	51-200	53	24
4	Certitude Consulting Gmbh	Wien	11-50	25	17
5	Microcat Gmbh	Gmunden	51-200	25	9
6	Digit Solutions Gmbh	Wien	51-200	23	11
7	Certainity	Vienna	11-50	18	16
8	TÜV Trust IT At	Wien	51-200	16	12
9	C4sam	Wien	1-10	14	7
10	Snapsec Gmbh	Vorchdorf	1-10	13	7
11	Strong-It Gmbh	Innsbruck	11-50	10	7
12	Tcss Trusted Cyber Security Solutions Gmbh	n/a	11-50	10	3
13	R4c	Wien	1-10	9	3
14	Cyriso Cyber Risk Solutions	n/a	1-10	8	5
15	Servionix Group	Vienna	11-50	8	4
16	Agentur Cyberschutz	Traiskirchen	11-50	7	7
17	Slashsec RED Teaming Gmbh	Wien	1-10	6	2
18	Solbytech Gmbh	Zederhaus	1-10	5	4
19	Secriso Consulting Gmbh	Klagenfurt Am Worthersee	1-10	5	3
20	Inibit Gmbh	St. Polten	1-10	4	1
21	OSM Solutions	Vienna	1-10	3	3
22	Is4it Cyber Security Austria Gmbh	n/a	1-10	3	2
23	Nexus-It Gmbh	Euratsfeld	1-10	3	1
24	Cyberlutz Gmbh	Graz	1-10	3	1
25	C3 IT Gmbh	Boheimkirchen	1-10	2	2

Showing 25 of 68 cybersecurity defense companies based in Austria

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 345 reachable decision-makers.

Free account · no credit card

See all 68 companies

Cybersecurity defense companies based in Austria at a glance

As of Aug 28, 2026

1-10Median size (employees)

WienLargest hub · 16 HQs

9Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

10001+

Cybersecurity defense companies by metro

Metro	Companies
Cybersecurity defense companies in Wien	16
Cybersecurity defense companies in Vienna	9
Cybersecurity defense companies in Graz	6
Cybersecurity defense companies in Innsbruck	2
Cybersecurity defense companies in Salzburg	2
Cybersecurity defense companies in Klagenfurt Am Worthersee	2
Cybersecurity defense companies in Wels	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 defense companies”, with match quality audited by blind human judging, and headquartered in Austria.
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; 0 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 Austria?

There are 68 cybersecurity defense companies headquartered in Austria as of August 2026 (RevenueBase).

What is the largest company on this list?

Infoguard AG, headquartered in Wien, tops this list with the largest team on record.

Which city has the most cybersecurity defense companies?

Wien leads with 16 headquartered companies, followed by Vienna (9) and Graz (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 345 verified decision-maker contacts tracked across these 68 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.

Ready to reach these companies? Verified emails and direct dials for all 68 cybersecurity defense companies based in Austria. Start with a free account, no credit card.

Get the full list

Related lists

Cybersecurity defense companies by geography

Browse the directory

Browse: Companies home · All Austria lists · All Cybersecurity defense companies lists · New lists

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.