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SSS 24 Posters

If you would like to present a poster at SSS'24 please contact A poster is an opportunity to present your work in an informal way. There will be 2 dedicated poster sessions at the event and any associated abstracts or papers can be published in the symposium proceedings book. See for more details.

National Risk Register

The government has published its 2023 edition of the National Risk Register. It makes interesting reading - there are quite a few systems-related risks, for instance: Rail Accident, Aviation Collision, Malicious Drone Incident and Deliberate disruption of UK space systems and space-based services. It is probably worth considering if your risk register should include some of these wider risks...

News archive:Page

SSS`22 The Safety-Critical Systems Symposium is going ahead, 8 - 10 Feb in Bristol (Jan 22)

This was our 30th annual symposium at the Bristol Marriot Royal Hotel for in person delegates and with online (blended) options.  The symposium will have the full conference suite in the Bristol Marriot but will have a reduced attendance to ensure physical distancing is possible. Keynote speakers Graham Braithwaite, Dewi Daniels, Adam Johns, Tim Kelly, John McDermid, Reuben McDonald, Catherine Menon, Wendy Owen and Harold Thimbleby will all be attending SSS'22 in person in Bristol. It was great to catch up with them!

October Seminar Can we Quantify Risk? slides and video available (Oct 21)

The slides and video recording of the October Seminar Can we Quantify Risk? are now available on the Catch up page for full members of the club and publications-pass members.

For non-members who are registered on the website a publications-pass is available at £15 for a month's access to all the resources on the website.

Assurance Case Guidance (Aug 21)

The Assurance Case Working Group (ACWG) is pleased to announce the release of Version 1 of its guidance. 

The Assurance Case Guidance addresses ‘Challenges, Common Issues and Good Practice’ and comprises:

  • a framework that introduces the scope and context of assurance cases (Part 1);
  • topic papers , which each address a specific guidance topic that is perceived by the ACWG as containing weaknesses or poor practice, and where no or limited guidance currently exists (Part 2);
  • supporting information including terminology, references and acknowledgements (Part 3). 

The guidance is available for free download at Should you find anything that you would like to add or improve for the next version, please add comments at

Safecomp 2021 registration live (Jul 21)

SCSC is a partner of SafeComp 2021, which will be hosted by the Department of Computer Science, University of York, 7th - 10th Sept 2021. The registration for this year's conference is now live. The conference is hybrid so you can join online or in-person (COVID-19 allowing). We hope to see lots of SCSC members in York (or online) for four days of workshops, keynotes, papers, exhibition and more. Student discounts are available.

Register here:

Safety-Critical Systems eJournal (Jul 21)

An Invitation to Submit a Paper to the new journal has been issued, see the Call for Papers.  Note that authors of papers published in the journal will be offered a year's free membership of the Safety-Critical Systems Club!