<s>
Soon	O
after	O
the	O
release	O
of	O
HyperCard	B-Application
in	O
1987	O
,	O
computer	O
viruses	O
appeared	O
that	O
targeted	O
the	O
application	O
.	O
</s>
<s>
The	O
viruses	O
were	O
written	O
in	O
the	O
HyperTalk	B-Language
programming	I-Language
language	I-Language
and	O
typically	O
spread	O
by	O
infecting	O
the	O
Home	O
stack	O
and	O
then	O
infecting	O
other	O
stacks	O
from	O
there	O
.	O
</s>
<s>
Name	O
of	O
Virus	O
Year	O
discovered	O
Notes	O
Dukakis	O
1988	O
First	O
known	O
HyperCard	B-Application
virus	O
.	O
</s>
<s>
Wormcode	O
2000	O
Originally	O
posted	O
to	O
the	O
usenet	O
group	O
"	O
comp.sys.mac.hypercard	O
"	O
in	O
a	O
stack	O
called	O
"	O
Font	O
Preview	O
"	O
.	O
</s>
