2025

  • New GSN diagram automatic layout

    Improved assurance case development in GSN diagrams and automatic layout are the main enhancements in the new PREMIS version released last week. It is now easier to work with diagram pages, which no longer have a size limit. Editing diagrams is faster, navigation has been improved and working with GSN is now more effective. Now […]

  • Model-based assurance case templates

    We are working on extending GSN patterns with references to system context models. GSN patterns support argument abstraction but the details of how it works are not specified. You can specify a claim “{System S} is sufficiently safe”, but the GSN standard doesn’t say how to manage the parameter S. You can find some guidance […]