it seems the power stations were linked by internet and may have had the
DCOM vulnerability that blaster worm uses.
http://www.derkeiler.com/Mailing-Lists/securityfocus/bugtraq/2003-08/0218.html
and here is the translation from German
http://babelfish.altavista.com/babelfish/urltrurl?tt=url&url=http%3A%2F%2Fwww.heise.de%2Fnewsticker%2Fdata%2Fju-15.08.03-001%2F&lp=de_en
DCOM vulnerability that blaster worm uses.
http://www.derkeiler.com/Mailing-Lists/securityfocus/bugtraq/2003-08/0218.html
and here is the translation from German
http://babelfish.altavista.com/babelfish/urltrurl?tt=url&url=http%3A%2F%2Fwww.heise.de%2Fnewsticker%2Fdata%2Fju-15.08.03-001%2F&lp=de_en