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Top 30 Penetration Testing Companies In Germany
Penetration testing Companies

Top 30 Penetration Testing Companies in Germany (2025)

Cybersecurity is essential for all businesses in today’s digital world. One of the most effective ways to secure your systems is by conducting penetration testing. This allows an organisation to discover and remediate security gaps before attackers do. There are many trusted companies in Germany that provide pentest services. Below is a list of 30 of the best penetration testing companies in Germany that you should look into. 30 Best Penetration Testing Companies in Germany (Top Pick) Cyber threats are becoming more advanced every day, and it’s up to businesses in Germany to remain ahead of the game. Penetration testing is one of the best ways to achieve this because it surfaces flaws that can be exploited by cyber criminals before they strike.    Many reliable cybersecurity firms in Germany offer penetration testing, and it can be overwhelming to find the right partner, regardless of whether you are a start-up or a large enterprise. This blog has documented the Top 30 Penetration Testing Companies in Germany to help you find a smarter and safer option for your business. 1. Qualysec   Qualysec is an established cyber security penetration testing company that delivers organizations high-quality service across various industries. Headquartered in India but serving organizations worldwide, including Germany, Qualysec is recognized for its core competency in Vulnerability Assessment and Penetration Testing (VAPT). As well, they also offer skilled incident responses, compliance assistance, and security consultation.    The organization is very systematic in its methodology and conducts assessments covering all, where applicable, web applications, mobile apps, API, networks, and cloud infrastructures. Using both manual and automated tools, the team will deliver a complete view of vulnerabilities and risks. The key differentiator with Qualysec is the clarity and conciseness of findings, available support post-testing, and their ability to remediate the real problem, and not merely find the real problem.    Qualysec is a suitable alternative for startups, SMEs, and large organizations desirous and seeking a provable proactive approach to meet their security objectives. Pricing is also transparent, making it instinctive for organizations to plan their digital cybersecurity allotment. USPs: Location: Headquartered in India; serving clients worldwide, including Germany. Services Offered: Secure your business with Qualysec today. Let us test your systems before hackers do.   Latest Penetration Testing Report Download 2. Cure53   Cure53 is a prominent German cybersecurity firm located in Berlin. They primarily focus on web application and API security; their staff are regularly involved in performing security audits on open-source projects or large tech companies. Cure53 is known for its solid technical abilities and robust code review processes. USPs: Highly regarded for web app and API security. Regularly audits open-source projects and large tech companies. Strong emphasis on code review and technical depth. Location: Berlin, Germany Services Offered: Web application and API penetration testing. Secure code reviews. Security audits for open-source and enterprise projects. 3. DSecured   DSecured provides a wide range of penetration testing services, including web, API, and red teaming. Their operators partner with companies to simulate attacks and find weaknesses in a business’s systems. They also offer tailored comments based on industry-specific threats. USPs: Custom-tailored testing based on industry-specific threats. Strong red teaming capabilities. Partner-style collaboration to simulate real-world attacks. Location: Germany Services Offered: Web and API penetration testing. Red teaming. Threat-based security assessments. 4. Iterate GmbH   Based in Munich, iteratec is a technology consultancy with strong cybersecurity capabilities. Their focus for penetration testing services is cloud infrastructure, web applications, and mobile environments, and their testers leverage both developer and security knowledge for very detailed results. USPs: Merges development and security expertise for in-depth testing. Strong focus on modern cloud and mobile environments. Offers both tech strategy and execution support. Location: Munich, Germany Services Offered: Cloud infrastructure penetration testing. Web and mobile app testing. Technical consulting and secure development practices. 5. KALWEIT ITS GmbH   With a location in Hamburg, KALWEIT ITS offers advanced services like internal offender simulations and red teaming to both public and private sector clients. The pen testing company prides itself on providing practical and actionable insights once each test has been completed. USPs: Specializes in red teaming and internal threat simulations. Practical, actionable reporting tailored to client risks. Serves both the public and private sector. Location: Hamburg, Germany Services Offered: Internal offender simulations. Red teaming. Penetration testing and security consulting. 6. SEC Consult Deutschland   As a global company, SEC Consult has a really strong team based in Germany. They provide cybersecurity as a service such as network security services, application testing services, and IoT assessments. They can also cover compliance, which is ideal for companies under legislation such as the GDPR. USPs: Part of a global security consulting group. Offers compliance-aligned testing for GDPR and more. Strong in application, network, and IoT security. Location: Germany (Global presence) Services Offered: Application and network penetration testing. IoT assessments. Compliance audits and risk analysis. 7. Compass Security Deutschland GmbH   With offices across Germany, a penetration testing provider Compass Security provides penetration testing, forensics and training. Their testers show thought leadership, as many give conference talks on a variety of topics which keeps them at the forefront of the industry. Their clients vary from banks, healthcare and government. USPs: Industry-recognized experts who speak at global conferences. Strong training and forensics in addition to testing. Diverse client base including banks, healthcare, and government. Location: Offices across Germany Services Offered: Penetration testing and VAPT. Digital forensics. Security awareness training. 8. SySS GmbH   SySS is one of the oldest penetration testing firms in Germany and is located in Tübingen, Germany. They offer traditional penetration tests, social engineering tests, and physical security tests. The SySS team is technically skilled and has a multitude of experience.  USPs: One of the oldest and most experienced pen-testing firms in Germany. Offers social engineering and physical security testing. Known for deep technical skill and detailed reporting. Location: Tübingen, Germany Services Offered: Penetration testing (network, web, mobile). Social engineering and phishing simulations. Physical security testing. 9. 8com    8com offers

Penetration Testing Services in Germany
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Penetration Testing Services in Germany: A Complete Guide for 2025

Cybersecurity is not an option. In 2025, businesses in all sectors will be under unrelenting siege, not only from hackers but also from increasingly sophisticated attacks compared to the past. Enter penetration testing, also commonly referred to as “pen testing.” Pen tests uncover vulnerabilities within your organization before a malicious hacker can find and exploit them. If your business is looking for Enterprise security, finding a trusted penetration testing services in Germany is a major step.   In this blog, we will cover:  What Is Penetration Testing? Penetration testing is a cybersecurity approach that entails ethical hackers simulating real-life attacks in order to identify security weaknesses in your systems before criminals can exploit these weaknesses.    These professionals test the robustness of your digital defences and provide you with information about your vulnerabilities.  There are different types of penetration tests.    Network tests look at how secure internal and external networks are. Web application tests identify flaws in websites and online services. Mobile app tests identify flaws in smartphone apps. Wireless tests look at Wi-Fi networks to identify weak points. Social engineering tests determine how employees deal with threats such as spear phishing emails, phone scams, etc.    Penetration testing germany is about staying ahead of cybercriminals by detecting and fixing problems before they become an exploitation issue. Why You Need Penetration Testing In 2025 In our digital age, cyber threats are rapidly growing and becoming more intelligent. Companies in all industries must take steps to protect their systems and protect their data from being lost, stolen or breached. Penetration testing services is one of the best ways to expose vulnerabilities that real hackers may exploit in the future.   One of the biggest drivers of performing pen testing is the compliance factor. New laws, including, but not limited to GDPR, ISO 27001 and PCI DSS, require companies to conduct security audits if they process sensitive customer information. Pen testing not only helps in compliance, but it saves you potentially large fines.   The threat landscape is changing as well. Today’s cyber attacks are far more sophisticated and can be harder to detect. Regular testing will help you uncover those unknown gaps in your security posture before someone can take advantage of them.   A lot of companies are now working with third-party vendors or global teams. These outside connections are potential security issues. A proper pen test will identify and close those gaps.    Finally, your company’s reputation is always at stake. A data breach can cause decreased trust, bad press, and a bad experience for customers. Pen testing services brings peace of mind when it comes to having a secure system and a protected brand.   Download our Sample Penetration Testing Report to understand how vulnerabilities are reported and mitigated. Latest Penetration Testing Report Download What to Look For In a Penetration Testing Company Selecting the best penetration testing provider is important because it will determine how well you can secure your systems and applications. A reliable penetration testing company should be able to demonstrate a high level of technical competency, as well as a good understanding of the industry you operate in.  Certifications and Experience The penetration testing team should hold certifications like OSCP, CEH, CREST, GPEN, etc. These certifications demonstrate the tester’s ethical hacking skills. You should also want to determine if they have adequate hands-on experience in the specific type of testing you need.  Transparent Reporting The final report should be detailed and straightforward. The report will need to have the level of risk for each finding, how the finding applies to your business, and a clear, step-by-step plan to fix it. Industry Experience Pick a company that is knowledgeable about your area of business—financing, healthcare, or manufacturing. They will know the risks that your company is facing. Post-Test Support The provider should not only identify areas needing attention but also offer assistance on how to remediate the vulnerability, and then make time for a re-test to confirm they have effectively resolved it. Data Privacy Compliance Ensure your partner is compliant with data privacy requirements, such as the GDPR. This is particularly important when testing systems that store customer or company data. Top 11 Pen Testing Firms in Germany (2025) If you’re looking for professional penetration testing services in Germany, there are a few companies that may stand out for their service, experience, and industry-specific focus.  1. Qualysec   Qualysec is a recognised leader in the cybersecurity field, offering process-based penetration testing services. The company is known for its thorough yet data-driven processes, deep device or security, or application assessments, and easy-to-understand report outputs. Qualysec is an emerging competitor in the growing German economy, where they help businesses manage their security and compliance with global standards such as GDPR and more. 2. Cirosec GmbH (Heilbronn)   Cirosec has a professional team, and all the penetration testing is customized to how pen testing service relates to large-scale enterprise companies. Their technical knowledge is virtually unsurpassed in Germany, and they are heavily focused on enterprise-level security as a business. 3. SySS GmbH (Tübingen)   SySS is one of the more recognised pen testers in Germany. They offer ethical hacking, red teaming, and social engineering attacks to identify real vulnerabilities. 4. TUV Rheinland i-sec GmbH     A part of the well-known TUV Rheinland Group, this company provides compliance testing and industrial cybersecurity, giving it an edge in regulatory affairs. 5. Deutsche Cyber-Sicherheitsorganisation (DCSO) (Berlin)   DCSO has backing from major German companies and provides threat intelligence and penetration testing for business environments. 6. Microminder CS   Microminder offers many security-type pentest services, including cloud platforms and IoT environments pen testing. They are becoming a recognised name in the German marketplace. 7. Nixu Corporation   Nixu is a European cybersecurity firm with offices in Germany. They are a strong player in vulnerability management and compliance testing capabilities, as well.  8. A1 Digital / Exoscale   These companies are what I call cloud infrastructure and security. They fit clients

Why Top Companies Choose Qualysec for Penetration Testing
Penetration Testing

Why Top Companies Choose Qualysec for Penetration Testing

As the digital world grows more connected and cyber threats become more advanced, cybersecurity has become essential. Businesses of all sizes are investing heavily to protect data, ensure compliance, and build customer trust. Penetration testing service (or pen testing) is one of many different ways you can have cybersecurity in your company strategy, and one of the best ways to find and fix vulnerabilities that may or may not be used. Qualysec, a world-renowned cybersecurity firm, is now the first choice of leading organizations looking for strong and secure penetration testing solutions. In this in-depth blog, we explore why penetration testing is the foundation of contemporary cybersecurity, why it keeps businesses ahead of the game, and why Qualysec has become the first-choice partner of leading organizations across the world. Why Penetration Testing Service is Important for Top Companies Penetration testing companies consists of high-tech simulations of cyberattacks on applications, systems, or networks to identify security weaknesses that could be exploited by hackers. Penetration testing service is a proactive approach to cybersecurity with several key benefits: 1. Discovering Overlooked Vulnerabilities Even the most secure facilities have typically undiscovered weaknesses. Weaknesses that are rarely discovered during a standard security risk assessment or monitoring, or internal testing. Penetration testing uses both automated tools and manual processes to mimic the behaviors of real hackers, identifying serious weaknesses that can be exploited. Qualysec’s pentesting helps organizations identify vulnerabilities in their application assets, web applications, APIs, and networks. This helps secure your technology stack and results in a lower risk profile overall. 2. Preventing Compliance Violations Compliance with industry regulations such as GDPR, HIPAA, PCI-DSS, ISO 27001 and many others is a constant challenge for organizations that process sensitive data. Non-compliance can expose organizations to legal action, significant fines, and reputational risk. Penetration testing is usually a strict necessity for conformity audits. Qualysec’s penetration testing service are aimed at enabling organizations to become compliant with these regulations and ensure compliance with updated documentation and reporting. 3. Enhancing Client Trust and Attracting Enterprise Clients Within the B2B environment, especially when interacting with enterprise clients, showcasing a mature cybersecurity stance is paramount. Numerous enterprises require third-party penetration testing reports before signing agreements with vendors. Qualysec assists its customers in gaining credibility and trust by conducting detailed, independently validated pen test reports. This doesn’t just establish trust but also makes the businesses more appealing to big-scale partners and investors. 4. Preventing Low-Quality Reports and Ineffective Security Practices Low-value penetration testing—frequently performed by automated tools with no manual verification—yields incorrect results and does not produce effective security enhancements. Low-value reports are shallow, usually rejected by stakeholders, and provide companies with false confidence in their systems’ security. Qualysec delivers high-value, actionable reporting that comprises comprehensive vulnerability analysis, risk prioritization, technical documentation (proof of concept), and proposed remediation actions. The reports are universally accepted and ideal for audit within regulatory requirements. 5. Hack Before the Hacker Hacks You Cybersecurity is a race against time. The most harmful breaches are usually created by vulnerabilities that could have been avoided with frequent testing. Penetration testing service enables companies to discover and repair these vulnerabilities before hackers can take advantage of them. Qualysec enables companies to embrace a proactive security attitude—”hack before the hacker hacks you.” Latest Penetration Testing Report Download Why Top Companies Choose Qualysec for Penetration Testing Service Qualysec has become the cybersecurity leader by consistently providing results that outperform expectations. These are the things that make Qualysec stand out from other vendors: 1. Process-Based Penetration Testing with a Data-Driven Approach Whereas most companies depend mostly on automated Vulnerability scanning software, Qualysec takes it a notch higher by combining process-based penetration testing service with data-driven methodology. This blend guarantees depth and precision. Their ethical hackers manually test systems for vulnerabilities, cross-checking with actual threat intelligence and existing attack vectors. This method significantly minimizes false positives and guarantees that all risks detected are real and critical. 2. In-Depth Technical and Regulatory Knowledge The world of cybersecurity is also evolving daily, as are the regulations that come with it. Qualysec employs certified ethical hackers, security researchers, and compliance professionals who know the ins and outs of both technology and law. From the financial system, healthcare applications, to the government platform, Qualysec produces testing based on the technical and regulatory requirements of each industry. 3. Globally Accepted, Comprehensive Reports Qualysec’s reports are some of the most comprehensive penetration testing and actionable within the industry. Every report contains: A comprehensive list of all identified vulnerabilities CVSS risk ratings Proof-of-concept screenshots and code snippets Remediation guidelines Executive summary for non-technical stakeholders These reports are designed to be accepted by all global markets and by regulatory bodies. 4. Fully Customized Service Offerings One-size-fits-all does not apply to cybersecurity. Qualysec tailors its offerings according to your business model, industry needs, threat environment, and technology setup. Whether API testing, mobile app testing, or infrastructure analysis is what you require, Qualysec’s got you covered. 5. Clear Communication and Project Management The clients are fond of the transparent and frequent communication offered by Qualysec at every stage of testing. The clients are kept in the loop through regular updates, discussions, and timely feedback. Every client has a dedicated project manager and security expert who ensures the smooth execution of the engagement from the beginning to the end. 6. Unlimited Retesting and Post-Test Support Security is not static. After vulnerabilities are remediated, it’s critical to ensure that the remedies work. Qualysec provides unlimited retesting to ensure that all remediation is successful. Post-test support is also a differentiator—clients are provided with ongoing guidance and consultation well after the initial engagement is complete. 7. Proven Track Record With a global client base in fintech, healthcare, e-commerce, and SaaS, Qualysec has an excellent record of providing unparalleled value. Their testimonials and case studies tell it all about their efficiency and client satisfaction. Real-Life Example: Securing a Global E-Commerce Giant In 2014, eBay, the online auction giant and simultaneously a storefront for direct-to-consumer small businesses, suffered a

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Pabitra Kumar Sahoo

Pabitra Kumar Sahoo

COO & Cybersecurity Expert

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Pabitra Kumar Sahoo

Pabitra Kumar Sahoo

COO & Cybersecurity Expert