TISAX stands for Trusted Information Security Assessment Exchange, a mechanism for the exchange of testing information which is operated by the ENX Association. It is a scheme to prevent multiple Cybersecurity assessments between Customers, Suppliers, and parties doing business with each other. The assessment was developed by the Information Security working group of the German Association of the Auto-motive Industry (VDA1) that has described the fundamental requirements for information security in the VDA ISA2 (Information Security Assessment) catalog that is used for security assessments within the automotive supply chain.