Calendar Pro uses the latest technologies available and is updated regularly. It does not contain malicious or unsafe code.
Certification
The Power BI certification program ensures that custom visuals are safe, up-to-date, and reliable.
Calendar Pro is certified by Microsoft.
Data Sent over the Internet
No data is sent over the Internet to external services. The only network communication is between the Power BI core services and the visual, which is required to make it work properly.