Company lists · Data verified August 2026

Top 25 Cybersecurity and recovery firms based in Austria

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 48 companies tracked

There are 48 cybersecurity and recovery firms headquartered in Austria (RevenueBase, August 2026). RevenueBase tracks 219 professional contacts across them, including 109 with verified work emails and 5 with mobile numbers. Wien is the largest hub.

This list covers cybersecurity and recovery firms 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.

48Companies

219Contacts tracked

109Verified emails

5Mobile numbers

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The 25 largest cybersecurity and recovery firms based in Austria

Ranked by team size

Top 25 of 48 cybersecurity and recovery firms 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	Certitude Consulting Gmbh	Wien	11-50	25	17
2	Microcat Gmbh	Gmunden	51-200	25	9
3	Certainity	Vienna	11-50	18	16
4	C4sam	Wien	1-10	14	7
5	Snapsec Gmbh	Vorchdorf	1-10	13	7
6	Strong-It Gmbh	Innsbruck	11-50	10	7
7	Tcss Trusted Cyber Security Solutions Gmbh	n/a	11-50	10	3
8	R4c	Wien	1-10	9	3
9	Cyriso Cyber Risk Solutions	n/a	1-10	8	5
10	Agentur Cyberschutz	Traiskirchen	11-50	7	7
11	Slashsec RED Teaming Gmbh	Wien	1-10	6	2
12	Solbytech Gmbh	Zederhaus	1-10	5	4
13	Inibit Gmbh	St. Polten	1-10	4	1
14	OSM Solutions	Vienna	1-10	3	3
15	Cyberlutz Gmbh	Graz	1-10	3	1
16	C3 IT Gmbh	Boheimkirchen	1-10	2	2
17	Zettasecure	Wien	1-10	2	2
18	Secinto Gmbh	Deutschlandsberg	1-10	2	2
19	Finin Gmbh	Sistrans	1-10	2	2
20	CYBS	Lustenau	1-10	2	1
21	Hergusec Cyber Security Gmbh	Brunn Am Gebirge	1-10	2	1
22	Tufo Cyber Security Gmbh	Wien	1-10	2	1
23	Cyber Security & Defence Intelligence	Graz	1-10	1	1
24	Vidrasec	Aigen-Schlagl	1-10	1	1
25	Adversary Gmbh	Wien	1-10	1	1

Showing 25 of 48 cybersecurity and recovery firms based in Austria

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Cybersecurity and recovery firms based in Austria at a glance

As of Aug 28, 2026

1-10Median size (employees)

WienLargest hub · 11 HQs

5Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

10001+

Cybersecurity and recovery firms by metro

Metro	Companies
Cybersecurity and recovery firms in Wien	11
Cybersecurity and recovery firms in Vienna	6
Cybersecurity and recovery firms in Graz	4
Cybersecurity and recovery firms in Linz	2
Cybersecurity and recovery firms in Traiskirchen	1
Cybersecurity and recovery firms in St. Polten	1
Cybersecurity and recovery firms in Zederhaus	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 and recovery firms”, 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 and recovery firms are there based in Austria?

There are 48 cybersecurity and recovery firms headquartered in Austria as of August 2026 (RevenueBase).

What is the largest company on this list?

Certitude Consulting Gmbh, headquartered in Wien, tops this list with the largest team on record.

Which city has the most cybersecurity and recovery firms?

Wien leads with 11 headquartered companies, followed by Vienna (6) and Graz (4).

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 109 verified decision-maker contacts tracked across these 48 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.