<s>
SIMATIC	B-Application
WinCC	I-Application
is	O
a	O
supervisory	O
control	O
and	O
data	O
acquisition	O
(	O
SCADA	O
)	O
and	O
human-machine	B-Application
interface	I-Application
(	O
HMI	O
)	O
system	O
from	O
Siemens	O
.	O
</s>
<s>
SIMATIC	B-Application
WinCC	I-Application
can	O
be	O
used	O
in	O
combination	O
with	O
Siemens	O
controllers	O
.	O
</s>
<s>
WinCC	B-Application
is	O
written	O
for	O
the	O
Microsoft	B-Application
Windows	I-Application
operating	I-Application
system	I-Application
.	O
</s>
<s>
It	O
uses	O
Microsoft	B-Application
SQL	I-Application
Server	I-Application
for	O
logging	O
and	O
comes	O
with	O
a	O
VBScript	B-Application
and	O
ANSI	O
C	O
application	B-Application
programming	I-Application
interface	I-Application
.	O
</s>
<s>
In	O
2010	O
,	O
WinCC	B-Application
and	O
PCS	O
7	O
were	O
the	O
first	O
known	O
SCADA	O
systems	O
to	O
be	O
specifically	O
targeted	O
by	O
malware	O
.	O
</s>
