Source note · UCaaS and CCaaS procurement and RFP evaluation
CSA STAR Level 1 is a self-assessment submitted as a CAIQ based on the Cloud Controls Matrix; Level 2 requires third-party audit via STAR Attestation (SOC 2-based), STAR Certification (ISO/IEC 27001-based) or C-STAR.
Checked 2026-09-24
- Vendor
- Cloud Security Alliance
- Product
- CSA STAR
- Subsystem
- assurance reports
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Security, Trust, Assurance and Risk (STAR) — Cloud Security Alliance · tier 3 vendor-maintained repositories · Level 1 and Level 2 sections
Cite this note
APA
WarmTransfer. (2026, September 24). UCaaS and CCaaS procurement and RFP evaluation: source note ucaas-ccaas-procurement-csa-star-levels. WarmTransfer. https://warmtransfer.net/knowledge/claims/ucaas-ccaas-procurement-csa-star-levels
BibTeX
@misc{warmtransfer-claim-ucaas-ccaas-procurement-csa-star-levels,
title = {UCaaS and CCaaS procurement and RFP evaluation: source note ucaas-ccaas-procurement-csa-star-levels},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ucaas-ccaas-procurement-csa-star-levels},
note = {Source note ucaas-ccaas-procurement-csa-star-levels, checked 2026-09-24}
}