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Document Summary

This document explains the security principles of the Calypso standard, products and systems. It also describes possible future security improvements in existing systems and in future Calypso specification revisions.

This document is not a formal security risk analysis. However, it includes the description of some technological frauds and indications of the Calypso countermeasures.

Additional Information

Document Published:

21 Mar 2025

Document Type:

General Presentation

Version:

1.3

Reference:

080131

Benefits & Services:

Security

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