Top Cybersecurity Companies in Poland

Between them, the 12 cybersecurity companies on this page cover e-commerce development (11), IT security (10), cybersecurity (10) and network security (8). 12 of them have written a profile you can read before you get in touch.

1. 1

   

   Nethone

   Artificial Intelligence - AI · E-Commerce Development · IT Security

   Nethone is a data science company working on fraud prevention and AI-driven business intelligence for online sellers.

   Write a review
2. 2

   

   ICsec S.A.

   E-Commerce Development · IT Security · Network Security

   ICsec S.A. is a cybersecurity company focused on industrial networks.

   Write a review
3. 3

   

   ISSP

   E-Commerce Development · IT Security · Network Security

   Cybersecurity company offering assessment, penetration testing, managed detection and threat intelligence to businesses and governments

   Write a review
4. 4

   

   Defensive Security

   E-Commerce Development · IT Security · Network Security

   Defensive Security is a security company founded by Leszek Miś, who is also its principal trainer and researcher.

   Write a review
5. 5

   

   REDTEAM.PL

   E-Commerce Development · IT Security · Network Security

   REDTEAM.PL is a Polish cyber security firm run by senior consultants.

   Write a review
6. 6

   

   EVERSYS Sp. z o.o.

   Mobile App Development · E-Commerce Development · IT Security

   EVERSYS Sp. z o.o. is an IT company in Poland that specialises in the security of data and network infrastructure.

   Write a review
7. 7

   

   Blaze Information Security

   E-Commerce Development · IT Security · Network Security · Also in Brazil

   Blaze Information Security is a privately held, independent security firm formed from years of combined experience.

   Write a review
8. 8

   

   Digital Fingerprints

   Artificial Intelligence - AI · E-Commerce Development · Software Development

   Digital Fingerprints is a company from Poland that builds cybersecurity products around behavioural verification.

   Write a review
9. 9

   

   SecuRing

   Mobile App Development · E-Commerce Development · IT Security

   SecuRing is an application security company founded in 2003. It works for banks, insurers, telecom providers, government bodies and software houses, concentrating on the security…

   Write a review
10. 10

    

    nFlo Sp. z o.o.

    E-Commerce Development · IT Security · Web Security

    nFlo Sp. z o.o. is a technology company based in Poland's capital. It focuses on cybersecurity, IT infrastructure and cloud services.

    Write a review
11. 11

    

    Berezha Security Group

    Cybersecurity · eCommerce

    Berezha Security Group, known as BSG, is a cyber security firm that started in 2014 as a security testing company.

    Write a review
12. 12

    SS

    Secfense Sp. z o.o.

    E-Commerce Development · IT Security · Network Security

    Secfense Sp. z o.o. makes access security software that adds stronger login protection to applications without altering their code or databases.

    Write a review

Articles

Related reading

Articles on this subject first, then the newest.

All articles

Poland

23 Oct 2026 · TrustList Editorial

CERT Polska lists 11 CGM CLININET flaws, several still unfixed

Patient documents could be listed and downloaded without logging in, and four paths lead to root on the hospital system server. Version…

Belgium

20 Oct 2026 · TrustList Editorial

Aikido buys Cyberly and Outkept to launch Noon for employee security

The Ghent developer-security company bought the Warsaw attack-simulation start-up and the Belgian phishing-training firm in September; Noon…

Poland

20 Oct 2026 · TrustList Editorial

Poland delays KSeF error penalties to 2028 as e-invoicing goes universal

The Council of Ministers backs a bill that keeps fines for KSeF mistakes on hold until 31 December 2027, while the last exemption, for…