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C5
Abbreviation for Cloud Computing Compliance Criteria Catalogue
In short and in plain language
C5 is a list of rules for safe cloud services.
A German federal office for computer safety puts it out.
It says what such providers should do. This covers who may get in, where data is kept and how open they are.
Small firms can use it as a checklist to pick a provider.
Definition
C5 is a criteria catalogue for secure cloud computing published by the German Federal Office for Information Security. It describes requirements for providers of cloud services, for example on access control, data location and transparency. For small businesses it can serve as a checklist when choosing a provider.