The digital transformation of the healthcare system is not a question of if, but how. However, the growing complexity of our digital infrastructure – from the electronic patient file (ePA) to the telematics infrastructure (TI) – presents us with major challenges.
Mastering complexity: How clear requirements drive digitization in healthcare – Validate requirements Git based
In my latest video in the series “Prototype Perspectives” series, I shed light as an IT architect on how Git-based validations can make a decisive contribution to mastering IT complexity.
The focus here is on Git and a systematic focus on clear requirements and standards that specifically help us to successfully master these challenges. This only works with clear, structured and consistently validated requirements.
In the digital healthcare ecosystem, which includes the electronic patient record (EPR), we are faced with an infrastructure that has already generated immense costs without delivering visible efficiency gains. Many projects fail because requirements are not clearly formulated or systematically validated. The result: lost time, communication problems and increased costs.
The solution: Requirements and established standards in software development
Our approach is based on the use of Git, a tool that can do far more than just version control!
Transparency with Git and audit-proof audits
By defining and validating requirements directly in Git, we create:
- Audit-proof: Every request is documented in a traceable manner.
- Transparency: All parties involved can track changes in real time.
- Efficiency: Automated tests and audits reduce manual coordination processes.
This systematic approach tames complexity and creates the basis for a high-quality and secure digital healthcare infrastructure.
Git as the basis for transparency and quality
Git-based requirements not only create revision security, but also enable immediate transparency and auditable traceability. With direct acceptance criteria that can be validated in real time, we reduce friction losses and strengthen trust in IT security.
Why requirements and standards are crucial
The systematic validation of requirements is not just a technical detail, but a decisive lever for advancing digitalization. Every unclear requirements document, every invalid decision leads to delays and additional costs. With a clear and structured process, we create efficiency, reduce frictional losses and increase security.
Practical implementation:
- Use Git to save requirements directly as audit-proof artifacts.
- Integrate acceptance criteria that can be validated together in real time.
- Reduce communication losses through transparent processes.
Trusted digital infrastructures and the relevance of confidential cloud computing
The importance of trustworthy digital infrastructures is constantly increasing, especially in the context of sensitive data processing. Confidential cloud computing plays a central role in this by protecting data during processing and ensuring that it is only accessible to authorized processes.
This approach enables:
- Maximum security: data is encrypted, even during processing.
- Transparency: Access and use of data are traceable at all times.
- Compliance: Meeting strict data protection requirements, especially in regulated industries such as healthcare.
By combining clear requirements, audit-proof standards and technologies such as confidential cloud computing, we create a foundation for sustainable trust and robust digital ecosystems. In addition, type 2 certificates in accordance with the C5 equivalence regulation are a crucial step in ensuring long-term reliability.
The regulation is aimed at cloud providers and IT service providers who process sensitive health data or provide services for this infrastructure.
What are type 1 and type 2 certificates?
- Type-1: Evaluates the documentation and appropriateness of security measures (snapshot).
- Type-2: Evaluates their long-term effectiveness over a defined period of time.
Who tests and certifies?
- Independent inspection bodies and auditors certified by gematik conduct audits based on established criteria catalogs (e.g. C5, ISO 27001, Cloud Controls Matrix). The auditors check whether the requirements of these catalogs are met and prepare an audit report. If the assessment is positive, the certificate is issued.
Why is this important?
- Type 2 certificates are essential for sensitive data as they guarantee long-term reliability. The regulation relies on a graduated process that gives companies time to migrate to the C5 standard.
The regulation aims to ensure that IT systems in the healthcare sector – especially cloud services – have a comparable level of security. While type 1 certificates cover basic requirements, long-term reliability (type 2) is essential for sensitive data. The question is whether the regulation misses the practical security requirements by focusing too much on type 1 audits.
Conversion to Zero Trust and Healthcare Confidential Computing
In addition, the downstream conversion to zero trust concepts and healthcare confidential computing as well as the reintroduction of fine-grained authorizations will significantly strengthen trust in the digital healthcare infrastructure.
Zero Trust concepts are based on continuous validation of access rights and data integrity, even in cloud-based environments.
These approaches aim to ensure trust not through infrastructure requirements, but through clear and continuous validation of access rights and data integrity. They ensure that highly sensitive healthcare data remains protected even in an increasingly distributed and cloud-based environment.
Only the combination of these approaches with clear requirements and audit-proof tools such as Git within the chain of trust from the specification of requirements, their validation and auditing creates a reliable basis for transparency and security – an urgent necessity for sustainable investments and processes.
Stakeholders in focus and drivers of this digital trust chain
All software manufacturers, cloud and IT providers in healthcare confidential computing, the National Agency for Digital Medicine – gematik GmbH, the Federal Office for Information Security (BSI), the Federal Commissioner for Data Protection (BfDI) and, last but not least, all payers and ultimately all of us in the role of taxpaying citizens.
Combining these approaches with clear, validatable requirements and audit-proof tools such as Git will make it possible not only to achieve security standards, but to maintain them continuously. This is precisely where the opportunity lies for everyone involved to strengthen trust and resilience in the telematics infrastructure in the long term.
Sustainable investments and robust processes are not an option, but an urgent necessity.
In my opinion, these are very relevant and extremely convincing advantages that together form a convincing basis for the future of our digital healthcare infrastructure.
Deepening in the Rock the Prototype Wiki
If you want to delve deeper into the topic, I recommend the directly related wiki entries, for example in the Software Architecture category.
In particular, the following information on concepts and standards is highly relevant:
- Git – version control for modern software development
- GitHub
- Transparency + GitOps – an unbeatable duo
- GitOps – Efficient infrastructure management with Git & Kubernetes
- Confidential Computing
- Digital identities and identity access management
- Kerckhoff principle
- OpenID Connect (OIDC)
There you will find a lot of detailed information that is directly relevant in the context of a systematic validation of requirements as well as relevant standards and mechanisms that play an indirect role here, but have a huge impact, for example in terms of IT security.
Why the consistent validation of requirements is so important:
The systematic validation of requirements is not just a technical detail, but a decisive lever for advancing digitalization in the healthcare sector.
However, this is not only highly relevant in the healthcare sector, but wherever trustworthy digital services are created. I’m not the only one in the thick of it – we are all in the age of digital transformation.
By taming complexity in a targeted manner and systematically implementing clear requirements, we can not only ensure quality, but also strengthen trust in digitalization in the long term.
Every unclear requirements document, every invalid decision leads to delays and additional costs.
With a clear and structured process, we create efficiency, reduce frictional losses and increase security.
How do you see the importance of audit-proof tools like Git in digital transformation? Share your perspective in the comments and let’s work together to make the digital healthcare infrastructure more efficient and secure.
Watch my video to the end and find out how we can drive digitalization forward together.
What do you think about the role of Git in requirements validation? Share your thoughts and learn how you can use Git for your projects.
Together, we can master the complexity of IT architecture.
The benefits for everyone involved
The combination of zero-trust approaches and confidential computing not only strengthens digital resilience, but also forms the basis for a sustainable healthcare infrastructure. With audit-proof tools such as Git, we can ensure that complex requirements are implemented efficiently along the entire value chain.
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