Cybersecurity companies in Germany

German testing and certification group whose security services include penetration tests, ISO/SAE 21434 certification and UN R155 audits.

Inspection firm that audits carmakers' security management for R155 type approval and certifies suppliers to ISO/SAE 21434.

German inspection group assessing vehicles and makers against UN R155, R156, ISO/SAE 21434 and ISO 24089.

Vector Informatik provides software, hardware and services for building, testing and operating software-defined systems.

G DATA CyberDefense AG is a German cybersecurity company based in Bochum.

Berlin-headquartered German cybersecurity consultancy with 30+ years of BSI IT-Grundschutz experience. Trusted by federal agencies, DAX corporations, and critical infrastructure operators.

Frankfurt-based European payment security specialist holding the full set of PCI credentials (QSA, PFI, ASV, P2PE). Manual-first penetration testing for fintechs, acquirers, and regulated enterprises.

Argos Security GmbH is a German cyber defence provider with an AI-supported centre in Munich.

Berlin-based web, browser, and cryptography auditors founded by Dr. Mario Heiderich, trusted by ExpressVPN, NordVPN, 1Password, and Bitwarden.

Article 14 Ready provides a browser-based working packet for manufacturers that fall under the EU Cyber Resilience Act.

Software and services for cyber risk analysis, secure software updates and UNECE R155 and R156 compliance.

Ettlingen consultancy pentesting vehicles, ADAS, gateways, infotainment and on-board chargers, plus R155 CSMS consulting.

cycura provides Microsoft tenant security consulting and managed security services for businesses.

DEKRA is a global provider of testing, inspection and certification services.

Makes automated ECU and vehicle security test tools and hardware, and carries out automotive penetration testing.

Bochum software firm hardening embedded and ECU firmware binaries against reverse engineering and exploitation, with ASIL-D certification.

Bosch subsidiary selling ESCRYPT HSM firmware, intrusion detection, risk analysis tools and a managed vehicle SOC.

Engineering services group whose FEV.io arm runs TARA, ISO 21434 work, secure lab testing and vehicle pentests.

Fuzzes compiled ECU and embedded firmware in emulation, finding memory bugs without needing the physical hardware.

genua GmbH is a German IT security company that protects critical and highly sensitive digital infrastructures.

Greenbone provides vulnerability management software that scans IT systems for security weaknesses.

GuardingPearSoftware creates security and anti-cheat tools for Unity game developers.

Hornetsecurity provides Microsoft 365 security, backup, and compliance services for managed service providers.

IGEL provides a secure endpoint operating system for cloud workspaces and virtual desktop environments.

LegacyMind GmbH provides a firmware security platform that analyses firmware at the binary level.

Link11 provides DDoS protection and web application security services for companies.

mainsec UG (haftungsbeschränkt) is an IT security consultancy based in Würzburg with a second location in the Sauerland.

German Cyber Resilience Act compliance and embedded security specialist. 16+ years in IoT and embedded Linux, delivering CRA readiness, compliance engineering, and legal certification for products with digital elements.

Schwarz Digits is the IT and digital division of Schwarz Group.

SoSafe provides security awareness training and human risk management to help organisations reduce cyber threats.

German security lab in Bonn, recognised by the PCI SSC for PTS device evaluation, plus German payment terminal schemes.

PikeOS hypervisor maker offering a secure vehicle gateway platform with firewall and IDS, plus a host-based IDS.

Tenzir provides an agentic telemetry pipeline for data-driven cyber defenders.

Tuta provides encrypted email, calendar and contacts services with a focus on privacy.

XM Cyber provides a platform for continuous exposure management across hybrid environments.

Automated fuzz testing for C and C++ code, with an AUTOSAR simulator and support for ISO/SAE 21434 testing.

German automotive software maker offering embedded security software, network intrusion detection and cybersecurity maintenance for vehicles.

Tool for building and updating threat analyses and risk assessments to ISO/SAE 21434, IEC 62443 and the CRA.

Maltego provides a platform for open source intelligence and cyber investigations.

ONEKEY provides a platform for product cybersecurity and compliance, automating SBOM analysis, vulnerability detection, and regulatory compliance.

Browser-based tool that automates threat analysis and risk assessment, mainly for vehicle makers and their suppliers.

Customer identity and access management for B2C and B2B, with passwordless login, consent management and customer profiles, alongside SAP's enterprise business software.

Utimaco provides hardware security modules, encryption, and key management for data protection and critical infrastructure.