+COS-03.01B

1. Overview

COS-03.01B

The cloud service provider distinguishes between trusted and untrusted networks. Based on a risk assessment according to OIS-07, these are separated into different security zones for internal and external network areas (and DMZ, if applicable).

Summary	Standard

1.1 References

1.2 Identified Requirements

1.2 Related Regulation

2. Identified Requirements

Requirements
Source	Requirement

3. Related Regulations

Regulations
Source	Regulation

Cloud Computing Compliance Criteria Catalogue (C5:2026) -
Copyright by Bundesamt für Sicherheit in der Informationstechnik (https://www.bsi.bund.de/)

https://www.bsi.bund.de/DE/Themen/Unternehmen-und-Organisationen/Informationen-und-Empfehlungen/Empfehlungen-nach-Angriffszielen/Cloud-Computing/Kriterienkatalog-C5/C5_2025/C5_2025_node.html