Company lists · Data verified August 2026

Top 12 Cybersecurity training companies based in Greece

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 26 companies tracked

There are 26 cybersecurity training companies headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 325 professional contacts across them, including 99 with verified work emails and 17 with mobile numbers. Athens is the largest hub.

This list covers cybersecurity training companies headquartered in Greece, 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.

26Companies

325Contacts tracked

99Verified emails

17Mobile numbers

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The 12 largest cybersecurity training companies based in Greece

Ranked by team size

Top 12 of 26 cybersecurity training companies based in Greece, 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	Census	Thermi Thessaloniki	51-200	184	46
2	K3y	n/a	11-50	25	4
3	Threatscene	Athens	11-50	20	11
4	Twelvesec	n/a	11-50	19	15
5	Alphabit Cybersecurity	n/a	11-50	17	2
6	Cyber Noesis	n/a	11-50	12	11
7	K2 Informatics	n/a	1-10	4	3
8	Vital Digital Forensics	Athens	1-10	4	3
9	Cyberpax	n/a	11-50	4	1
10	Raven Cybersecurity	Heraklion	1-10	3	1
11	Cyberx Csis	n/a	1-10	2	1
12	Icsi Hellas S.A	n/a	1-10	2	1

Showing 12 of 26 cybersecurity training companies based in Greece

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Cybersecurity training companies based in Greece at a glance

As of Aug 28, 2026

1-10Median size (employees)

AthensLargest hub · 9 HQs

17Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Cybersecurity training companies by metro

Metro	Companies
Cybersecurity training companies in Athens	9
Cybersecurity training companies in Attica	1
Cybersecurity training companies in Thermi Thessaloniki	1
Cybersecurity training companies in Thessaloniki	1
Cybersecurity training companies in Heraklion	1
Cybersecurity training companies in Filothei Psychiko	1
Cybersecurity training companies in Kallithea	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 training companies”, with match quality audited by blind human judging, and headquartered in Greece.
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; 1 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 training companies are there based in Greece?

There are 26 cybersecurity training companies headquartered in Greece as of August 2026 (RevenueBase).

What is the largest company on this list?

Census, headquartered in Thermi Thessaloniki, tops this list with the largest team on record.

Which city has the most cybersecurity training companies?

Athens leads with 9 headquartered companies, followed by Attica (1) and Thermi Thessaloniki (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 99 verified decision-maker contacts tracked across these 26 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.