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Antago GmbH

Bensheim, Germany

Penetration TestingOffensive SecurityIncident ResponseDigital Forensics
51-200 employeesServes Enterprise, SMB, Public Sector
Profile last updated: March 10, 2026

About

Antago GmbH is a cybersecurity company based in Bensheim, Germany working in penetration testing, offensive security, incident response +5 more.

Antago GmbH is an independent German IT security company based in Bensheim, operating for more than ten years. It provides penetration testing and security analyses covering public IPs, internal infrastructure, building control systems and web applications, with manual testing by security experts. The company offers red teaming, threat-led penetration testing (TLPT) in line with DORA and TIBER-EU, IT forensics with its own forensic laboratory, and incident response including a retainer service and a dedicated incident response team (AIRT). Further services include Active Directory and password audits, dark web monitoring, and cyber range training simulations for teams of different experience levels. Antago also runs the Antago Akademie, which hosts live hackings, talks and the CISO Summit. The company states it does not sell software or hardware and remains vendor-independent. Its research focuses on the security of KNX/EIB building automation systems, with its Erebos and Thanatos tools. Antago holds ISO 27001, ISO 27701 and ISO 9001 certifications and the BSI APT Responder qualification. Its managing partners are Silke Thielmann-Dörsam (CEO) and Alexander Dörsam (CTO).

Location

Bensheim, Germany

Employees

51-200

Company type

Limited company

VAT number

DE272379849

Focus areas

penetration testingred teamingincident responseIT forensicscyber rangeKNX securityDORA TLPTActive Directory security

Languages

DEEN

Services & products

Security domains

Penetration TestingOffensive SecurityIncident ResponseDigital ForensicsThreat IntelligenceIdentity & AccessOT/ICS SecuritySecurity Awareness

How they deliver

Professional ServicesConsultingTraining

Products

Erebos

KNX hacking tool

Attack tool for penetration testing and demonstrating security weaknesses in KNX/EIB building automation bus systems.

Thanatos

Building control attack tool

Compact attack tool for building control systems, designed to be concealed behind a light switch.

Cyberrange

Cyber range training platform

Simulation environment for realistic cyberattack training and for testing the effectiveness of security tools and strategies.

Customers

EnterpriseSMBPublic Sector

Industries served

FinanceHospitalityBuilding Automation

Compliance & partners

Compliance frameworks

DORATIBER-EUGDPR

Credentials & affiliations

Certifications

ISO 27001

ISO 27701

ISO 9001

BSI APT Responder

Issued by: BSI

Industry memberships

TeleTrusT e.V.CAST e.V.

People

Management & team (2)

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