
48
seCurity and PrivaCy in smart Grids
into account. Also, many companies have internal corporate standards
that should contribute to the requirements.
With these previously identified specifications, the usable parts
have to be selected from the original SIA (see Figure1.15 for a fic-
tional example), step 2 in Figure1.14.
Step 3 includes the decision about the completeness of the cutout
of the SIA. If one or more requirements are not met, it is necessary to
extend the SIA with custom parts. ese extensions could consist of
other non-IEC standards, corporate standards, or regulatory rules.
An example result document of an adapted architecture c