# Analysis of Zero-Click iCloud Calendar Exploit

## Context
After identifying the initial access method utilized in the Quadream REIGN spyware operation, further analysis reveals the sophistication of the zero-click iCloud calendar exploit.

## Technical Details
- **Exploit Vector**: The exploit leverages a zero-click mechanism within the iCloud calendar invites, allowing malicious payloads to be executed without user interaction.
- **Affected Platforms**: Primarily targets iOS devices running versions susceptible to this exploit.

## Next Steps
The next phase of investigation will focus on the execution of the REIGN spyware on compromised iOS devices, assessing the impact and identifying any protective measures that can be implemented.