Company lists · Data refreshed September 2026
Top 25 Ot cybersecurity companies based in Austria
RevenueBase identified 50 company matches for ot cybersecurity companies associated with Austria as of September 2026 and tracks 273 professional contacts across them, including 150 with verified work emails. Vienna is the largest hub.
This list covers company matches for ot cybersecurity companies associated with Austria, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 21, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest ot cybersecurity companies based in Austria
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 66 contacts → | ||||
Exact match “We are protecting people on their digital journey from the ever-evolving cyber threats!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 25 contacts → | ||||
Exact match “Limes Security GmbH is the leading OT Security expert in the German-speaking region of Europe.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 18 contacts → | ||||
Exact match “As Cyber Security Specialists, we support our customers to sustainably improve their information security and to secure their core business.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 16 contacts → | ||||
Exact match “IT-Security, Penentration Testing, OT-Security, ISMS, Managed Services, EIM” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 14 contacts → | ||||
Exact match “Become a more cyber resilient business in a hyperconnected world, where cyber attackers present a constant threat.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 12 contacts → | ||||
Exact match “snapSEC ist Ihr Partner für maßgeschneiderte Cybersecurity – von der strategischen Beratung bis zur technischen Umsetzung.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 10 contacts → | ||||
Exact match “Wir sind ein Team von professionellen und leidenschaftlichen Security-Experten, bestehend aus Angreifern, Verteidigern und Analysten.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 9 contacts → | ||||
Exact match “Cyber Security and Cyber Compliance risk-oriented, digitalized, effective - and tailored to the framework conditions of your medium-sized company!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 8 contacts → | ||||
Exact match “Servionix is a leading cybersecurity provider, partnering with top developers to deliver advanced solutions in information security.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 8 contacts → | ||||
Exact match “R4C ist ein etabliertes IT-Sicherheitsunternehmen, spezialisiert auf E-Mail Security, Awareness Trainings, Data Security, API Security, Network Security, DDoS-Protection, MDR &…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 6 contacts → | ||||
Exact match “Servi5 is an enterprise-grade cybersecurity platform designed to give organizations full control over web traffic, infrastructure security, and operational risk.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 6 contacts → | ||||
Exact match “slashsec, gegründet 2021 in der pulsierenden Hauptstadt Österreichs, verbindet als unabhängiger Cyber-Security-Dienstleister Innovation mit einem klaren Fokus.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 4 contacts → | ||||
Exact match “We support organizations to enhance the resilience of their IT and OT infrastructures against cyber attacks with Assessment, Training and Consulting on organizational and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match “CyberDanube is a specialized cyber security company, offering OT,(I)IoT & Embedded Security testing services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 3 contacts → | ||||
Exact match “Die in Wien ansässige IS4IT Cyber Security Austria GmbH ist als spezialisierter IT-Dienstleister für Informationssicherheit seit Januar 2024 Teil der IS4IT-Unternehmensgruppe.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “Off-the-shelf cybersecurity?” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “secinto is an Austrian cyber security company that is 100% focused on IT security.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 2 contacts → | ||||
Exact match “Cybersecurity-Müdigkeit?” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 2 contacts → | ||||
Exact match “In Zeiten der Digitalisierung unterstützen wir Sie dabei, dass die IT Ihr verlässlicher Begleiter ist und bleibt.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 2 contacts → | ||||
Exact match “Ihr starker Partner für die Umsetzung von IT/OT Projekten - Entwicklung und Design disziplinenübergreifender IT/OT Architekturen (Brown- und Greenfield)- Projektmanagement für die…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “Smart Cybersecurity for Smart Businesses.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match “TUFO ist ein Cyber Security Dienstleister mit Sitz in Wien.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “CYBS ist ein Unternehmen im Bereich Cybersicherheit, das sich darauf spezialisiert hat, Unternehmen vor den Gefahren und Bedrohungen der digitalen Welt zu schützen.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 1 contacts → | ||||
Exact match “Ihr Spezialist für IT- & SAP-Cyber-Security: Penetrationstests, Cyber-Abwehr & Beratung – unsere Experten verfügen über 35 Jahre Erfahrung in Industrie, Finanzwesen & Behörden.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “ot cybersecurity companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 50 ot cybersecurity companies based in Austria
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Ot cybersecurity companies based in Austria at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Austria, so it is reported there. Company counts and contact totals on this page are exact for Austria, over 50 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Austria whose business descriptions match “ot cybersecurity companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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
- Every displayed company carries at least one verified work email. RevenueBase tracks 150 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 21, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “ot cybersecurity companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many ot cybersecurity companies are there based in Austria?
RevenueBase identified 50 company matches for ot cybersecurity companies associated with Austria as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Cyan Digital Security tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most ot cybersecurity companies?
Vienna leads with 16 company records, followed by Graz (7) and Vorchdorf (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 150 professional contacts with verified work emails tracked across these 50 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.
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Ot cybersecurity companies by geography
- Ot cybersecurity companies based in Brisbane, Australia
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- Ot cybersecurity companies based in Sydney, Australia
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- Ot cybersecurity companies based in Montreal, Canada
- Ot cybersecurity companies based in Toronto, Canada
- Ot cybersecurity companies based in Ahmedabad, India
- Ot cybersecurity companies based in Bangalore, India
- Ot cybersecurity companies based in Chennai, India
- Ot cybersecurity companies based in Gurgaon, India
- Ot cybersecurity companies based in Hyderabad, India
- Ot cybersecurity companies based in Mumbai, India
Browse the directory
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
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- Ot cybersecurity companies based in Brisbane, Australia
- Ot cybersecurity companies based in Melbourne, Australia
- Ot cybersecurity companies based in Sydney, Australia
- Ot cybersecurity companies based in Calgary, Canada
- Ot cybersecurity companies based in Montreal, Canada
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Company intelligence · public preview
Top 25 ot cybersecurity companies based in Austria
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 50 matching company records for ot cybersecurity companies based in Austria, with 273 tracked contacts and 150 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 ot cybersecurity companies based in Austria
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Cyan Digital Securitycyansecurity.comHQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 66 contacts → |
“We are protecting people on their digital journey from the ever-evolving cyber threats!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Limes Securitylimessecurity.comHQ: Hagenberg, AustriaReported employees: 11-50 | Hagenberg, Austria | 11-50 | Exact match | 25 contacts → |
“Limes Security GmbH is the leading OT Security expert in the German-speaking region of Europe.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Certainitycertainity.comHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 18 contacts → |
“As Cyber Security Specialists, we support our customers to sustainably improve their information security and to secure their core business.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  TÜV Trust IT Atat-trustit.tuvaustria.comHQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 16 contacts → |
“IT-Security, Penentration Testing, OT-Security, ISMS, Managed Services, EIM” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  C4samc4sam.comHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 14 contacts → |
“Become a more cyber resilient business in a hyperconnected world, where cyber attackers present a constant threat.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Snapsec Gmbhsnapsec.atHQ: Vorchdorf, AustriaReported employees: 11-50 | Vorchdorf, Austria | 11-50 | Exact match | 12 contacts → |
“snapSEC ist Ihr Partner für maßgeschneiderte Cybersecurity – von der strategischen Beratung bis zur technischen Umsetzung.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Strong-It Gmbhstrong-it.atHQ: Innsbruck, AustriaReported employees: 11-50 | Innsbruck, Austria | 11-50 | Exact match | 10 contacts → |
“Wir sind ein Team von professionellen und leidenschaftlichen Security-Experten, bestehend aus Angreifern, Verteidigern und Analysten.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Cyriso Cyber Risk Solutionscyriso.atHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 9 contacts → |
“Cyber Security and Cyber Compliance risk-oriented, digitalized, effective - and tailored to the framework conditions of your medium-sized company!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Servionix Groupservionix.netHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 8 contacts → |
“Servionix is a leading cybersecurity provider, partnering with top developers to deliver advanced solutions in information security.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  R4cr4c.atHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 8 contacts → |
“R4C ist ein etabliertes IT-Sicherheitsunternehmen, spezialisiert auf E-Mail Security, Awareness Trainings, Data Security, API Security, Network Security, DDoS-Protection, MDR &…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Agentur Cyberschutzagentur-cyberschutz.atHQ: Baden, AustriaReported employees: 11-50 | Baden, Austria | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 |  Servi5servi5.comHQ: Viena, AustriaReported employees: 1-10 | Viena, Austria | 1-10 | Exact match | 6 contacts → |
“Servi5 is an enterprise-grade cybersecurity platform designed to give organizations full control over web traffic, infrastructure security, and operational risk.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Slashsec RED Teaming Gmbhslashsec.atHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 6 contacts → |
“slashsec, gegründet 2021 in der pulsierenden Hauptstadt Österreichs, verbindet als unabhängiger Cyber-Security-Dienstleister Innovation mit einem klaren Fokus.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  B-Sec Better Secure Gmbh & CO KGb-sec.netHQ: Weingraben, AustriaReported employees: 1-10 | Weingraben, Austria | 1-10 | Exact match | 4 contacts → |
“We support organizations to enhance the resilience of their IT and OT infrastructures against cyber attacks with Assessment, Training and Consulting on organizational and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Cyberdanubecyberdanube.comHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 3 contacts → |
“CyberDanube is a specialized cyber security company, offering OT,(I)IoT & Embedded Security testing services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 3 contacts → |
“Die in Wien ansässige IS4IT Cyber Security Austria GmbH ist als spezialisierter IT-Dienstleister für Informationssicherheit seit Januar 2024 Teil der IS4IT-Unternehmensgruppe.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Höchst, AustriaReported employees: 1-10 | Höchst, Austria | 1-10 | Exact match | 2 contacts → |
“Off-the-shelf cybersecurity?” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Secinto Gmbhsecinto.comHQ: Deutschlandsberg, AustriaReported employees: 1-10 | Deutschlandsberg, Austria | 1-10 | Exact match | 2 contacts → |
“secinto is an Austrian cyber security company that is 100% focused on IT security.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Finin Gmbhfinin.atHQ: Sistrans, AustriaReported employees: 1-10 | Sistrans, Austria | 1-10 | Exact match | 2 contacts → |
“Cybersecurity-Müdigkeit?” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  It-Nativeit-native.comHQ: Graz, AustriaReported employees: 1-10 | Graz, Austria | 1-10 | Exact match | 2 contacts → |
“In Zeiten der Digitalisierung unterstützen wir Sie dabei, dass die IT Ihr verlässlicher Begleiter ist und bleibt.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Maximation Gmbhmaximation.atHQ: Graz, AustriaReported employees: 1-10 | Graz, Austria | 1-10 | Exact match | 2 contacts → |
“Ihr starker Partner für die Umsetzung von IT/OT Projekten - Entwicklung und Design disziplinenübergreifender IT/OT Architekturen (Brown- und Greenfield)- Projektmanagement für die…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Zettasecurezettasecure.comHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
“Smart Cybersecurity for Smart Businesses.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Tufo Cyber Security Gmbhtufo.atHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
“TUFO ist ein Cyber Security Dienstleister mit Sitz in Wien.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  CYBScybs.atHQ: Lustenau, AustriaReported employees: 1-10 | Lustenau, Austria | 1-10 | Exact match | 2 contacts → |
“CYBS ist ein Unternehmen im Bereich Cybersicherheit, das sich darauf spezialisiert hat, Unternehmen vor den Gefahren und Bedrohungen der digitalen Welt zu schützen.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Nullfaktor Gmbhnullfaktor.comHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 1 contacts → |
“Ihr Spezialist für IT- & SAP-Cyber-Security: Penetrationstests, Cyber-Abwehr & Beratung – unsere Experten verfügen über 35 Jahre Erfahrung in Industrie, Finanzwesen & Behörden.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 50 company matches
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Ot cybersecurity companies: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
50 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Austria, so it is reported there. Company counts and contact totals on this page are exact for Austria, over 50 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for ot cybersecurity companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many ot cybersecurity companies did RevenueBase find based in Austria?
The saved snapshot records 50 matching company records, 273 tracked contacts and 150 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Ot cybersecurity companies by geography
- Ot cybersecurity companies based in Brisbane, Australia
- Ot cybersecurity companies based in Melbourne, Australia
- Ot cybersecurity companies based in Sydney, Australia
- Ot cybersecurity companies based in Calgary, Canada
- Ot cybersecurity companies based in Montreal, Canada
- Ot cybersecurity companies based in Toronto, Canada
- Ot cybersecurity companies based in Ahmedabad, India
- Ot cybersecurity companies based in Bangalore, India
- Ot cybersecurity companies based in Chennai, India
- Ot cybersecurity companies based in Gurgaon, India
- Ot cybersecurity companies based in Hyderabad, India
- Ot cybersecurity companies based in Mumbai, India
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 ot cybersecurity companies based in Austria. Snapshot: September 21, 2026. https://revenuebase.ai/companies/ot-cybersecurity-companies/austria.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Ot cybersecurity companies based in Brisbane, Australia
- Ot cybersecurity companies based in Melbourne, Australia
- Ot cybersecurity companies based in Sydney, Australia
- Ot cybersecurity companies based in Calgary, Canada
- Ot cybersecurity companies based in Montreal, Canada
- Ot cybersecurity companies based in Toronto, Canada
Company intelligence · public preview
Top 25 ot cybersecurity companies based in Austria
RevenueBase records 50 matching company records for ot cybersecurity companies based in Austria, with 273 tracked contacts and 150 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 ot cybersecurity companies based in Austria
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Cyan Digital Securitycyansecurity.com HQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 66 contacts → |
“We are protecting people on their digital journey from the ever-evolving cyber threats!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Limes Securitylimessecurity.com HQ: Hagenberg, AustriaReported employees: 11-50 | Hagenberg, Austria | 11-50 | Exact match | 25 contacts → |
“Limes Security GmbH is the leading OT Security expert in the German-speaking region of Europe.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Certainitycertainity.com HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 18 contacts → |
“As Cyber Security Specialists, we support our customers to sustainably improve their information security and to secure their core business.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | TÜV Trust IT Atat-trustit.tuvaustria.com HQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 16 contacts → |
“IT-Security, Penentration Testing, OT-Security, ISMS, Managed Services, EIM” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | C4samc4sam.com HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 14 contacts → |
“Become a more cyber resilient business in a hyperconnected world, where cyber attackers present a constant threat.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Snapsec Gmbhsnapsec.at HQ: Vorchdorf, AustriaReported employees: 11-50 | Vorchdorf, Austria | 11-50 | Exact match | 12 contacts → |
“snapSEC ist Ihr Partner für maßgeschneiderte Cybersecurity – von der strategischen Beratung bis zur technischen Umsetzung.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Strong-It Gmbhstrong-it.at HQ: Innsbruck, AustriaReported employees: 11-50 | Innsbruck, Austria | 11-50 | Exact match | 10 contacts → |
“Wir sind ein Team von professionellen und leidenschaftlichen Security-Experten, bestehend aus Angreifern, Verteidigern und Analysten.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Cyriso Cyber Risk Solutionscyriso.at HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 9 contacts → |
“Cyber Security and Cyber Compliance risk-oriented, digitalized, effective - and tailored to the framework conditions of your medium-sized company!” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Servionix Groupservionix.net HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 8 contacts → |
“Servionix is a leading cybersecurity provider, partnering with top developers to deliver advanced solutions in information security.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | R4cr4c.at HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 8 contacts → |
“R4C ist ein etabliertes IT-Sicherheitsunternehmen, spezialisiert auf E-Mail Security, Awareness Trainings, Data Security, API Security, Network Security, DDoS-Protection, MDR &…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Agentur Cyberschutzagentur-cyberschutz.at HQ: Baden, AustriaReported employees: 11-50 | Baden, Austria | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Servi5servi5.com HQ: Viena, AustriaReported employees: 1-10 | Viena, Austria | 1-10 | Exact match | 6 contacts → |
“Servi5 is an enterprise-grade cybersecurity platform designed to give organizations full control over web traffic, infrastructure security, and operational risk.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Slashsec RED Teaming Gmbhslashsec.at HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 6 contacts → |
“slashsec, gegründet 2021 in der pulsierenden Hauptstadt Österreichs, verbindet als unabhängiger Cyber-Security-Dienstleister Innovation mit einem klaren Fokus.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | B-Sec Better Secure Gmbh & CO KGb-sec.net HQ: Weingraben, AustriaReported employees: 1-10 | Weingraben, Austria | 1-10 | Exact match | 4 contacts → |
“We support organizations to enhance the resilience of their IT and OT infrastructures against cyber attacks with Assessment, Training and Consulting on organizational and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Cyberdanubecyberdanube.com HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 3 contacts → |
“CyberDanube is a specialized cyber security company, offering OT,(I)IoT & Embedded Security testing services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 3 contacts → |
“Die in Wien ansässige IS4IT Cyber Security Austria GmbH ist als spezialisierter IT-Dienstleister für Informationssicherheit seit Januar 2024 Teil der IS4IT-Unternehmensgruppe.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Höchst, AustriaReported employees: 1-10 | Höchst, Austria | 1-10 | Exact match | 2 contacts → |
“Off-the-shelf cybersecurity?” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Secinto Gmbhsecinto.com HQ: Deutschlandsberg, AustriaReported employees: 1-10 | Deutschlandsberg, Austria | 1-10 | Exact match | 2 contacts → |
“secinto is an Austrian cyber security company that is 100% focused on IT security.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Finin Gmbhfinin.at HQ: Sistrans, AustriaReported employees: 1-10 | Sistrans, Austria | 1-10 | Exact match | 2 contacts → |
“Cybersecurity-Müdigkeit?” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | It-Nativeit-native.com HQ: Graz, AustriaReported employees: 1-10 | Graz, Austria | 1-10 | Exact match | 2 contacts → |
“In Zeiten der Digitalisierung unterstützen wir Sie dabei, dass die IT Ihr verlässlicher Begleiter ist und bleibt.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Maximation Gmbhmaximation.at HQ: Graz, AustriaReported employees: 1-10 | Graz, Austria | 1-10 | Exact match | 2 contacts → |
“Ihr starker Partner für die Umsetzung von IT/OT Projekten - Entwicklung und Design disziplinenübergreifender IT/OT Architekturen (Brown- und Greenfield)- Projektmanagement für die…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Zettasecurezettasecure.com HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
“Smart Cybersecurity for Smart Businesses.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Tufo Cyber Security Gmbhtufo.at HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
“TUFO ist ein Cyber Security Dienstleister mit Sitz in Wien.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | CYBScybs.at HQ: Lustenau, AustriaReported employees: 1-10 | Lustenau, Austria | 1-10 | Exact match | 2 contacts → |
“CYBS ist ein Unternehmen im Bereich Cybersicherheit, das sich darauf spezialisiert hat, Unternehmen vor den Gefahren und Bedrohungen der digitalen Welt zu schützen.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Nullfaktor Gmbhnullfaktor.com HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 1 contacts → |
“Ihr Spezialist für IT- & SAP-Cyber-Security: Penetrationstests, Cyber-Abwehr & Beratung – unsere Experten verfügen über 35 Jahre Erfahrung in Industrie, Finanzwesen & Behörden.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Ot cybersecurity companies: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
50 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Austria, so it is reported there. Company counts and contact totals on this page are exact for Austria, over 50 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for ot cybersecurity companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many ot cybersecurity companies did RevenueBase find based in Austria?
The saved snapshot records 50 matching company records, 273 tracked contacts and 150 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 ot cybersecurity companies based in Austria. Snapshot: September 21, 2026. https://revenuebase.ai/companies/ot-cybersecurity-companies/austria.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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