[SystemSafety] The Intertwining of Safety and Security

[paul_e.bennett at topmail.co.uk]

On 12/11/2016 at 5:52 AM, "Peter Bernard Ladkin"  wrote:If the
subsystem being replaced is not safety-related, then as far as I see
there is no requirement
for an impact analysis. If there is no requirement, then given the
usual business constraints it
will not be done.
I wonder how many times an arbitrary decision is made that no impact 
analysis needs to be performed when really it should be done. I always

feel that no matter what the system, impact analysis should always be 
done. At least to some level to be sure whether or not the system
really 
does have an safety or security impact. This is needed nowadays more 
than ever.

Regards
 Paul E. Bennett IEng MIET
 Systems Engineer
 -- 
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 Paul E. Bennett IEng MIET.....
 Forth based HIDECS Consultancy.............
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 Tel: +44 (0)1392-426688
 Going Forth Safely ..... EBA. www.electric-boat-association.org.uk..
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