Source note · UC and CCaaS security certifications
The BSI says a C5 Type 2 audit, which shows operating effectiveness over an audit period, is required for an appropriate informative value, whereas Type 1 only shows design at a point in time.
Checked 2026-10-02
- Vendor
- BSI
- Product
- C5
- Subsystem
- report 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 audit types
Cite this note
APA
WarmTransfer. (2026, October 2). UC and CCaaS security certifications: source note ucaas-compliance-certifications-c5-type2-value. WarmTransfer. https://warmtransfer.net/knowledge/claims/ucaas-compliance-certifications-c5-type2-value
BibTeX
@misc{warmtransfer-claim-ucaas-compliance-certifications-c5-type2-value,
title = {UC and CCaaS security certifications: source note ucaas-compliance-certifications-c5-type2-value},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ucaas-compliance-certifications-c5-type2-value},
note = {Source note ucaas-compliance-certifications-c5-type2-value, checked 2026-10-02}
}