[SystemSafety] Statistical Assessment of SW With Deliberate Unreliability for a SIL requirement

[Peter Bernard Ladkin]

On 2015-01-21 17:53 , Martyn Thomas wrote:
> Such statistical analysis is probably based on assumptions that would be
> invalid if you consider a hostile security environment.

That's prima facie correct. A key assumption is that the future distribution of inputs is identical
to the past distribution. If there are ways in which human agency can skew the distribution, and you
expect them to do so, then the analysis is moot.

PBL

Prof. Peter Bernard Ladkin, Faculty of Technology, University of Bielefeld, 33594 Bielefeld, Germany
Je suis Charlie
Tel+msg +49 (0)521 880 7319  www.rvs.uni-bielefeld.de