Source note · UC and CCaaS security certifications
Every C5 attestation must cover at least all basic criteria; additional criteria tighten or complement them and are covered only if the provider includes them.
Checked 2026-10-02
- Vendor
- BSI
- Product
- C5
- Subsystem
- criteria types
- Deployment
- multi-tenant
- Region
- de
- Release range
- C5:2020 and C5:2026
- Checked
- 2026-10-02
Sources
- C5 introduction — Bundesamt fuer Sicherheit in der Informationstechnik (BSI) · tier 1 standards and regulators · section on criterion types (basic and additional)
Cite this note
APA
WarmTransfer. (2026, October 2). UC and CCaaS security certifications: source note ucaas-compliance-certifications-c5-basic-additional. WarmTransfer. https://warmtransfer.net/knowledge/claims/ucaas-compliance-certifications-c5-basic-additional
BibTeX
@misc{warmtransfer-claim-ucaas-compliance-certifications-c5-basic-additional,
title = {UC and CCaaS security certifications: source note ucaas-compliance-certifications-c5-basic-additional},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ucaas-compliance-certifications-c5-basic-additional},
note = {Source note ucaas-compliance-certifications-c5-basic-additional, checked 2026-10-02}
}