<s>
DriveSentry	B-Application
was	O
an	O
antivirus	B-Application
program	I-Application
,	O
developed	O
by	O
DriveSentry	B-Application
Inc	O
,	O
to	O
protect	O
Microsoft	B-Application
Windows	I-Application
users	O
from	O
malware	O
.	O
</s>
<s>
DriveSentry	B-Application
provides	O
a	O
realtime	O
and	O
on	O
demand	O
virus	B-Application
scanner	I-Application
,	O
and	O
uses	O
the	O
following	O
methods	O
to	O
determine	O
if	O
an	O
application	O
contains	O
a	O
virus	O
before	O
allowing	O
it	O
to	O
run	O
:	O
</s>
<s>
This	O
is	O
technique	O
as	O
used	O
by	O
practically	O
all	O
antivirus	B-Application
products	O
as	O
the	O
first	O
line	O
of	O
defense	O
.	O
</s>
<s>
Heuristics	B-Algorithm
If	O
the	O
programme	O
is	O
not	O
on	O
either	O
list	O
its	O
behavior	O
is	O
compared	O
to	O
that	O
of	O
previous	O
encountered	O
malware	O
.	O
</s>
<s>
Community	O
Statistics	O
:	O
DriveSentry	B-Application
also	O
collects	O
and	O
stores	O
user	O
statistics	O
based	O
on	O
access	O
decisions	O
made	O
by	O
the	O
user	O
,	O
which	O
is	O
shared	O
amongst	O
all	O
other	O
users	O
.	O
</s>
<s>
DriveSentry	B-Application
partners	O
with	O
Offensive	O
Computing	O
and	O
Frame4	O
Security	O
Services	O
to	O
collect	O
and	O
analyze	O
malware	O
samples	O
for	O
the	O
database	O
list	O
,	O
partnering	O
in	O
this	O
way	O
ensures	O
that	O
the	O
database	O
is	O
fed	O
by	O
multiple	O
sources	O
and	O
therefore	O
offers	O
redundancy	O
.	O
</s>
<s>
Although	O
DriveSentry	B-Application
's	O
basic	O
features	O
are	O
available	O
for	O
free	O
,	O
its	O
more	O
advanced	O
features	O
such	O
as	O
automatically	O
updating	O
its	O
white	O
and	O
blacklists	O
have	O
to	O
be	O
paid	O
for	O
via	O
a	O
one-off	O
payment	O
.	O
</s>
<s>
Articles	O
in	O
computing	O
publications	O
discussing	O
new	O
malware	O
protection	O
technologies	O
–	O
such	O
as	O
whitelisting	O
–	O
claim	O
that	O
traditional	O
antivirus	B-Application
technologies	O
are	O
having	O
an	O
increasingly	O
hard	O
time	O
keeping	O
up	O
with	O
the	O
latest	O
virus	O
,	O
trojans	O
and	O
other	O
malicious	O
threats	O
.	O
</s>
<s>
The	O
popularity	O
of	O
the	O
Internet	O
and	O
the	O
ease	O
at	O
which	O
data	O
can	O
now	O
spread	O
,	O
allows	O
threats	O
to	O
propagate	O
faster	O
,	O
requiring	O
traditional	O
antivirus	B-Application
products	O
to	O
play	O
"	O
catch-up	O
"	O
with	O
new	O
zero	O
day	O
threats	O
.	O
</s>
<s>
DriveSentry	B-Application
avoids	O
this	O
issue	O
by	O
allowing	O
the	O
user	O
to	O
be	O
prompted	O
if	O
programs	O
do	O
n't	O
appear	O
in	O
the	O
black	O
or	O
whitelist	O
.	O
</s>
<s>
DriveSentry	B-Application
attempts	O
to	O
help	O
the	O
user	O
by	O
monitoring	O
the	O
action	O
of	O
the	O
program	O
and	O
calculating	O
and	O
displaying	O
a	O
threat	O
rating	O
.	O
</s>
