<s>
FileSonic	B-Application
was	O
a	O
file	B-Application
hosting	I-Application
service	I-Application
site	O
which	O
is	O
now	O
defunct	O
.	O
</s>
<s>
It	O
was	O
once	O
one	O
of	O
the	O
most	O
popular	O
file	B-Application
locker	I-Application
services	I-Application
which	O
was	O
primarily	O
a	O
consumer	O
based	O
service	O
used	O
from	O
homes	O
,	O
although	O
in	O
a	O
study	O
conducted	O
by	O
security	O
vendor	O
Palo	O
Alto	O
Networks	O
it	O
was	O
found	O
to	O
be	O
in	O
use	O
on	O
a	O
majority	O
of	O
corporate	O
networks	O
.	O
</s>
<s>
FileSonic	B-Application
used	O
digital	O
fingerprinting	O
technology	O
to	O
detect	O
prohibited	O
sharing	O
of	O
copyrighted	O
material	O
on	O
its	O
network	O
and	O
had	O
a	O
designated	O
DMCA	O
agent	O
to	O
facilitate	O
takedown	O
requests	O
.	O
</s>
<s>
However	O
,	O
on	O
the	O
week	O
following	O
the	O
government	O
raid	O
of	O
the	O
MegaUpload	B-Application
site	O
,	O
FileSonic	B-Application
chose	O
to	O
discontinue	O
the	O
sharing	O
of	O
files	O
and	O
permit	O
only	O
retrieval	O
of	O
files	O
that	O
individual	O
users	O
themselves	O
had	O
uploaded	O
.	O
</s>
<s>
Eventually	O
,	O
the	O
changes	O
enacted	O
in	O
the	O
wake	O
of	O
the	O
MegaUpload	B-Application
scandal	O
,	O
which	O
were	O
also	O
enacted	O
by	O
the	O
similarly	O
named	O
competitor	O
FileServe	O
,	O
resulted	O
in	O
FileSonic	B-Application
going	O
out	O
of	O
business	O
.	O
</s>
<s>
Both	O
FileSonic	B-Application
and	O
the	O
file	O
sharing	O
service	O
Oron	O
had	O
been	O
sued	O
by	O
the	O
pornography	O
company	O
Flava	O
Works	O
prior	O
to	O
going	O
out	O
of	O
business	O
.	O
</s>
