Securing (SecuRing)
Poland's longest-running independent pen testing firm with 50+ consultants. Specialises in application security, cloud testing, and red teaming.
Featured in: Best Red Teaming Companies
Last verified: Mar 2026
Key facts
- Founded in 2003.
- Headquartered in Kraków, Poland.
- Team of 51-200 security professionals.
- Holds ISO 27001 accreditation.
- Delivers 8 penetration testing services.
- Serves clients in Europe.
- Specialises in Adversary Simulation, Active Directory Security, and Cloud-Native Security.
- Compliance expertise across GDPR, NIS 2, ISO 27001, and PCI DSS.
About
Securing, formerly SecuRing, is one of Poland's oldest independent penetration testing firms, founded in 2003 and based in Kraków and Warsaw. With over 50 security consultants, the company focuses exclusively on security testing.
Services
Web Application Penetration TestingNetwork Penetration TestingMobile App Penetration TestingCloud Penetration TestingAPI Penetration TestingRed Teaming
+ Also offers 2 more services
Accreditations
ISO 27001
Methodologies
OWASPNISTPTES
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