[SystemSafety] Two Preprints

[Peter Bernard Ladkin]

I have uploaded two preprints of papers to ResearchGate. Both papers have been submitted for 
publication. People here might be interested.

Evaluating Software Execution as a Bernoulli Process DOI: 10.13140/RG.2.2.28079.82082

This is my response to the odd view of Daniels and Tudor in their recent SCSCeJ paper that 
evaluating discrete-function software execution as a Bernoulli Process does not work (while 
acknowledging that maybe it doesn't work for them :-) ).

Assigning IACS Cybersecurity Responsibility Conformant with the NIS Regulations
(with Martyn Thomas) DOI: 10.13140/RG.2.2.36062.10567

The UK NIS regulations were introduced in 2018 pursuant to a 2016 EU Directive on cybersecurity 
measures for critical infrastructure (although GB was to exit the EU, the NIS cybersecurity approach 
was seen as a sensible, indeed vital, measure for critinf protection). NIS regs have reporting 
requirements for vulnerabilities; a designated point of (national and international) contact per 
critinf (the Competent Authority, usually the NCSC); and an incident response organisation (called 
here a CSIRT). In 2018, Martyn and I determined that more detail was needed on the specific 
operations which would enable this structure to function effectively. We use the term "mandate" for 
a necessary function, and consider who (which stakeholders) has/have the duty to implement which 
parts of each mandate. We concentrated on IACS, in part because the views of certain stakeholders 
are already public, and in part because you have to start somewhere, and this became detailed 
enough. The UK NIS regulations are currently up for review and public commentary.

PBL

Prof. i.R. Dr. Peter Bernard Ladkin, Bielefeld, Germany
Tel+msg +49 (0)521 880 7319  www.rvs-bi.de




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