List of C5 attestations

List of Cloud Service Provider

**The listed CSP claim to have Cloud Services with a C5 attestation.
All information are based on a web search and are available to the public.**

Alibaba
Akamai (added 29.6.2024)
Appian (added 25.2.2024)
Armis (added 16.7.2024)
Avelios (added 3.12.2024)
AWS (updated 28.2.2024)
box (re-added 10.5.2024)
Brainloop (added 29.6.2024)
Centerdevice (updated 24.11.2024)
CGM (added 4.7.2024)
Clinomic (added 3.12.2024)
Cloud Ferro (added 16.5.2022)
Cloud1X (added 21.5.2022)
Cloudflare (added 11.6.2022)
CrowdStrike (added 10.12.2024)
DATAGROUP (added 22.2.2025)
Datenservice+ (added 25.7.2024)
deepc (added 20.12.2024)
DocToLib (added 18.7.2023)
docusign (added 20.12.2024)
Dracoon (updated 30.3.2025)
duo (Cisco) (added 16.5.2022)
Everbridge
evoila
EXOSCALE (added 29.4.2024)
Fabasoft (updated 23.11.2024)
FTAPI (added 12.2.2023)
F5 (updated 24.11.2024)
GEMA (added 23.11.2024)
Genesys (added 16.5.2022)
Google (updated 23.11.2024)
gridscale (added 2.2.2025)
GroupAlarm (added 29.4.2024)
Huawei
IBM (updated 23.11.2024)
IONOS (added 8.11.2023)
Kinaxis (added 11.6.2022)
Kisters (updated 23.11.2024)
LogMeIn

Mediform (added 5.12.2024)
Microsoft (updated 28.2.2024)
Mindbreeze
mitteldeutsche IT (added 22.2.2025)
Myra Security (updated 9.1.2025)
netfiles
Netskope
NFON (added 7.4.2024)
noris network (added 17.2.2024)
Notion (added 15.12.2024)
Open Telekom Cloud (updated 23.11.2024)
Oracle
OVHcloud (updated 30.3.2025)
Palo Alto
Pflegehilfe (added 30.3.2025)
plusserver (updated 24.11.2024)
PMG (added 22.2.2025)
P&I (added 22.2.2025)
recare (added 10.12.2024)
Ringcentral (added 20.3.2022)
rubrik (updated 8.6.2024)
RZV (added 23.11.2024)
SailPoint (added 2.2.2025)
Salesforce
samedi (added 22.2.2025)
SAP (updated 1.4.2025)
SCHIFFL (added 23.11.2024)
SentinelOne (added 10.12.2024)
ServiceNow
Snowflake (added 29.4.2024)
Stackfield (added 7.1.2025)
STACKIT (updated 3.12.2024)
SVA (added 30.3.2025)
synaforce (added 16.7.2024)
SysEleven (added 30.3.2025)
Telekom CompanyFlex SIP-Trunk (added 2.8.2023)
Telepaxx (added 30.3.2025)
Tencent
thinkproject (added 28.2.2024)
TREND Micro (added 12.2.2023)
Uptime IT (added 24.1.2025)
Webex (Cisco)
Zoom (added 13.10.2023)
zscaler (added 12.11.2022)

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