CHESS resilience exercises
Purpose and participants
ASX is planning to conduct an industry-wide resilience exercise, centred on the operations of the CHESS platform.
The exercise is intended for organisations across the CHESS ecosystem, including Clearing and Settlement Participants, Payment Providers, Share Registries, Approved Market Operators (AMOs) and other key stakeholders. Delivered as a facilitated tabletop exercise, the exercise will provide participants with the opportunity to work through a cyber driven disruption scenario to CHESS system, explore potential impacts on their operations and dependencies, and strengthen coordination across the financial market ecosystem. Participants will be invited to contribute to planning activities and take part in the exercise event on Tuesday 4 May 2027 1.00pm - 4.00pm AEST.
If your organisation would like to participate in the industry-wide resilience exercise, please complete the expression of interest (EOI) form.
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Scope and format
ASX will lead an independently facilitated industry‑wide resilience exercise targeted for Tuesdsay 4 May 2027, 1.00pm - 4.00pm AEST .
The scenario will simulate a cyber-driven multi-day event impacting CHESS.
Exercise objectives
ASX is undertaking the exercise to:
- strengthen industry‑wide cyber response and recovery capabilities
- test ecosystem‑wide coordination, communication and decision‑making under stress
- identify operational and technical resilience gaps, blind spots and dependencies
- validate fallback arrangements, including manual processes
- use insights to drive continuous improvement.
Key milestones
