<s>
FRISK	O
Software	O
International	O
(	O
established	O
in	O
1993	O
)	O
was	O
an	O
Icelandic	O
software	O
company	O
that	O
developed	O
F-Prot	O
antivirus	B-Application
and	O
F-Prot	O
AVES	O
antivirus	B-Application
and	O
anti-spam	O
service	O
.	O
</s>
<s>
Dr.	O
Vesselin	O
Vladimirov	O
Bontchev	O
,	O
a	O
computer	O
expert	O
from	O
Bulgaria	O
,	O
best	O
known	O
for	O
his	O
research	O
on	O
the	O
Dark	O
Avenger	O
virus	O
,	O
worked	O
for	O
the	O
company	O
as	O
an	O
anti-virus	B-Application
researcher	O
.	O
</s>
<s>
F-Prot	O
Antivirus	B-Application
was	O
first	O
released	O
in	O
1989	O
,	O
making	O
it	O
one	O
of	O
the	O
longest	O
lived	O
anti-virus	B-Application
brands	O
on	O
the	O
market	O
.	O
</s>
<s>
It	O
was	O
the	O
world	O
's	O
first	O
with	O
a	O
heuristic	B-Application
engine	I-Application
.	O
</s>
<s>
It	O
is	O
sold	O
in	O
both	O
home	O
and	O
corporate	O
packages	O
,	O
of	O
which	O
there	O
are	O
editions	O
for	O
Windows	B-Application
and	O
Linux	B-Application
.	O
</s>
<s>
There	O
are	O
corporate	O
versions	O
for	O
Microsoft	B-Operating_System
Exchange	I-Operating_System
,	O
Solaris	B-Application
,	O
and	O
certain	O
IBM	B-Application
eServers	I-Application
.	O
</s>
<s>
The	O
Linux	B-Application
version	O
is	O
available	O
to	O
home	O
users	O
free	O
of	O
charge	O
,	O
with	O
virus	O
definition	O
updates	O
.	O
</s>
<s>
The	O
company	O
has	O
also	O
produced	O
a	O
genealogy	O
program	O
called	O
Espólín	O
and	O
Púki	O
,	O
a	O
spellchecker	B-Application
with	O
additional	O
features	O
.	O
</s>
<s>
F-Prot	O
Antivirus	B-Application
(	O
stylized	O
F-PROT	O
)	O
is	O
an	O
antivirus	B-Application
product	O
developed	O
by	O
FRISK	O
Software	O
International	O
.	O
</s>
<s>
It	O
is	O
available	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
Microsoft	B-Operating_System
Exchange	I-Operating_System
Server	I-Operating_System
,	O
Linux	B-Application
,	O
Solaris	B-Application
,	O
AIX	B-Application
and	O
IBM	B-Application
eServers	I-Application
.	O
</s>
<s>
FRISK	O
Software	O
International	O
allows	O
others	O
to	O
develop	O
applications	O
using	O
their	O
scanning	O
engine	O
,	O
through	O
the	O
use	O
of	O
a	O
SDK	B-Application
.	O
</s>
<s>
Many	O
software	O
vendors	O
use	O
the	O
F-Prot	O
Antivirus	B-Application
engine	O
,	O
including	O
SUSE	O
.	O
</s>
<s>
F-Prot	O
Antivirus	B-Application
reached	O
end-of-life	O
on	O
July	O
31st	O
2021	O
and	O
is	O
no	O
longer	O
maintained	O
.	O
</s>
<s>
Friðrik	O
Skúlason	O
,	O
also	O
sometimes	O
known	O
as	O
"	O
Frisk	O
"	O
,	O
is	O
the	O
founder	O
of	O
FRISK	O
Software	O
International	O
and	O
one	O
of	O
the	O
founding	O
members	O
of	O
CARO	B-Application
(	O
Computer	O
Antivirus	B-Application
Research	O
Organization	O
)	O
.	O
</s>
<s>
He	O
originally	O
developed	O
F-Prot	O
Antivirus	B-Application
while	O
doing	O
computer	O
support	O
work	O
.	O
</s>
<s>
Skúlason	O
served	O
as	O
the	O
head	O
of	O
FRISK	O
Software	O
International	O
until	O
its	O
eventual	O
acquisition	O
by	O
Cyren	O
in	O
2012	O
,	O
after	O
which	O
he	O
joined	O
Cyren	O
as	O
the	O
vice-president	O
of	O
Antivirus	B-Application
technologies	O
.	O
</s>
