External System Audit
External system audit: Your IT infrastructure put to the test
An external system audit is a crucial step to ensure the security and efficiency of your IT systems. By conducting an objective assessment from outside, vulnerabilities can be identified and addressed before they lead to serious issues.


Why an External System Audit Matters
Technical systems form the backbone of your IT security. Regular reviews by external experts ensure that:
- Security gaps are detected early
- Compliance requirements, such as TISAX®, are met
- The IT infrastructure aligns with current standards
- Risks are minimized and downtime is reduced
Such an audit not only provides valuable insights for optimizing your systems, but also serves as proof to customers and partners of your commitment to information security.
Process of an External System Audit
An external system audit typically involves the following steps:

Planning: Defining the scope and objectives of the audit

Data Collection: Gathering relevant information about your IT systems

Analysis: Evaluating the collected data to identify weaknesses

Reporting: Creating a detailed report with recommendations

Implementation: Applying the suggested measures to improve IT security
This structured approach ensures a comprehensive assessment of your IT infrastructure and provides clear action plans.
Benefits of an External System Audit
- Objectivity: External auditors bring an independent perspective
- Expertise: Specialized knowledge leads to deeper analysis
- Resource Efficiency: Internal teams are relieved of additional workload
- Compliance Assurance: Fulfillment of standards such as TISAX® or ISO 27001
For detailed requirements and guidelines in the field of information security, refer to the VDA ISA questionnaire.
In addition, InShield Consulting offers a practical TISAX® checklist to help prepare for certifications and audits.

Further information
For detailed requirements and guidelines in the area of information security, we recommend consulting the VDA ISA Questionnaire.
In addition, InShield Consulting offers a practical TISAX® Checklist for preparing for certifications and audits.