<s>
Norton	B-Application
360	I-Application
,	O
developed	O
by	O
Gen	O
Digital	O
Inc	O
.	O
(	O
formerly	O
Symantec	O
)	O
,	O
is	O
an	O
“	O
all-in-one	O
”	O
security	O
suite	O
for	O
the	O
consumer	O
market	O
.	O
</s>
<s>
Originally	O
released	O
in	O
2007	O
,	O
it	O
was	O
discontinued	O
in	O
2014	O
;	O
its	O
features	O
were	O
carried	O
over	O
to	O
its	O
successor	O
,	O
Norton	B-Application
Security	I-Application
.	O
</s>
<s>
In	O
2019	O
,	O
Symantec	O
(	O
under	O
former	O
corporate	O
name	O
NortonLifeLock	O
)	O
released	O
a	O
"	O
NEW	O
Norton	B-Application
360	I-Application
"	O
,	O
as	O
a	O
product	O
replacement	O
for	O
Norton	B-Application
Security	I-Application
.	O
</s>
<s>
Genesis	O
would	O
differ	O
from	O
Symantec	O
's	O
other	O
consumer	O
security	O
products	O
by	O
incorporating	O
file	O
backup	B-Application
and	O
performance	B-Device
optimization	I-Device
tools	O
with	O
antivirus	B-Application
capabilities	O
and	O
a	O
firewall	O
.	O
</s>
<s>
Phishing	O
protection	O
and	O
real-time	O
heuristics	B-Algorithm
were	O
also	O
planned	O
.	O
</s>
<s>
Windows	B-Application
Vista	I-Application
compatibility	O
was	O
a	O
major	O
aspect	O
of	O
Genesis	O
.	O
</s>
<s>
In	O
May	O
2005	O
,	O
Microsoft	O
announced	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
,	O
a	O
security	O
suite	O
with	O
similar	O
functionalities	O
,	O
slated	O
for	O
release	O
in	O
2006	O
.	O
</s>
<s>
Genesis	O
was	O
renamed	O
Norton	B-Application
360	I-Application
on	O
May	O
31	O
,	O
2006	O
.	O
</s>
<s>
Its	O
feature	O
set	O
was	O
confirmed	O
—	O
it	O
would	O
have	O
the	O
same	O
functionalities	O
as	O
Norton	B-Application
Internet	I-Application
Security	I-Application
—	O
with	O
file	O
backup	B-Application
,	O
performance	O
tools	O
,	O
phishing	O
protection	O
,	O
and	O
real-time	O
heuristics	B-Algorithm
.	O
</s>
<s>
The	O
same	O
day	O
,	O
McAfee	O
announced	O
Falcon	O
,	O
a	O
security	O
suite	O
with	O
similar	O
functionalities	O
as	O
Norton	B-Application
360	I-Application
and	O
OneCare	B-Protocol
.	O
</s>
<s>
OneCare	B-Protocol
was	O
launched	O
in	O
summer	O
2006	O
while	O
Falcon	O
entered	O
public	O
beta	O
testing	O
.	O
</s>
<s>
Some	O
viewed	O
Norton	B-Application
360	I-Application
as	O
a	O
response	O
to	O
Microsoft	O
's	O
antivirus	B-Application
software	I-Application
,	O
OneCare	B-Protocol
.	O
</s>
<s>
However	O
,	O
with	O
the	O
release	O
of	O
OneCare	B-Protocol
,	O
some	O
saw	O
Symantec	O
as	O
lagging	O
behind	O
its	O
rivals	O
.	O
</s>
<s>
Mark	O
Bregman	O
,	O
Symantec	O
's	O
vice	O
president	O
,	O
claimed	O
the	O
upcoming	O
Norton	B-Application
360	I-Application
was	O
not	O
intended	O
to	O
compete	O
with	O
OneCare	B-Protocol
,	O
stating	O
"	O
We	O
somehow	O
left	O
the	O
wrong	O
impression	O
in	O
the	O
market	O
place	O
that	O
there	O
's	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
from	O
Microsoft	O
,	O
there	O
's	O
Falcon	O
from	O
McAfee	O
,	O
and	O
there	O
's	O
nothing	O
from	O
Symantec.	O
"	O
</s>
<s>
The	O
first	O
public	O
beta	O
was	O
delivered	O
in	O
November	O
2006	O
,	O
compatible	O
with	O
Windows	B-Application
XP	I-Application
.	O
</s>
<s>
A	O
second	O
beta	O
was	O
subsequently	O
released	O
December	O
20	O
,	O
2006	O
,	O
adding	O
compatibility	O
for	O
Windows	B-Application
Vista	I-Application
build	O
6000	O
.	O
</s>
<s>
The	O
backup	B-Application
and	O
restore	O
functionality	O
allowed	O
users	O
to	O
back	O
up	O
files	O
online	O
or	O
to	O
a	O
hard	B-Device
drive	I-Device
,	O
CD	O
,	O
or	O
DVD	O
.	O
</s>
<s>
Performance	B-Device
optimization	I-Device
tools	O
allowed	O
users	O
to	O
clear	O
web	B-Application
browser	I-Application
history	O
and	O
temporary	O
files	O
.	O
</s>
<s>
A	O
disk	B-Application
defragmenter	I-Application
was	O
bundled	O
as	O
part	O
of	O
the	O
optimization	O
tools	O
.	O
</s>
<s>
Phishing	O
protection	O
integrates	O
with	O
Internet	B-Application
Explorer	I-Application
,	O
warning	O
users	O
of	O
fraudulent	O
sites	O
.	O
</s>
<s>
In	O
Windows	B-Application
XP	I-Application
,	O
a	O
300	O
megahertz	O
processor	O
,	O
256	O
megabytes	O
of	O
RAM	B-Architecture
,	O
and	O
300	O
MB	O
of	O
hard	B-Device
disk	I-Device
space	O
is	O
required	O
.	O
</s>
<s>
Under	O
Vista	B-Application
,	O
an	O
800MHz	O
processor	O
,	O
512	O
MB	O
of	O
RAM	B-Architecture
,	O
and	O
300	O
MB	O
of	O
hard	B-Device
disk	I-Device
space	O
is	O
required	O
.	O
</s>
<s>
Reviews	O
cited	O
Norton	B-Application
360	I-Application
's	O
low	O
resource	O
usage	O
,	O
relative	O
to	O
Norton	B-Application
Internet	I-Application
Security	I-Application
2007	O
,	O
and	O
phishing	O
protection	O
.	O
</s>
<s>
PC	O
Magazine	O
found	O
the	O
phishing	O
protection	O
feature	O
to	O
be	O
more	O
effective	O
at	O
blocking	O
access	O
to	O
fraudulent	O
sites	O
than	O
Internet	B-Application
Explorer	I-Application
7	I-Application
and	O
Firefox	B-Language
2	I-Language
.	O
</s>
<s>
CNET	O
noted	O
the	O
lack	O
of	O
phishing	O
protection	O
for	O
browsers	B-Application
other	O
than	O
Internet	B-Application
Explorer	I-Application
,	O
such	O
as	O
Mozilla	B-Application
Firefox	I-Application
.	O
</s>
<s>
The	O
backup	B-Application
feature	O
can	O
now	O
inscribe	O
data	O
to	O
Blu-ray	O
and	O
HD	B-Operating_System
DVD	I-Operating_System
discs	O
.	O
</s>
<s>
Multiple	O
installations	O
of	O
Norton	B-Application
360	I-Application
can	O
also	O
be	O
managed	O
from	O
a	O
centralized	O
location	O
.	O
</s>
<s>
A	O
registry	B-Protocol
cleaner	O
is	O
bundled	O
with	O
the	O
performance	O
tools	O
,	O
allowing	O
the	O
user	O
to	O
remove	O
invalid	O
entries	O
.	O
</s>
<s>
Phishing	O
protection	O
for	O
Firefox	B-Application
was	O
added	O
.	O
</s>
<s>
A	O
network	B-Architecture
map	I-Architecture
allows	O
users	O
to	O
view	O
the	O
status	O
of	O
other	O
Norton	O
installations	O
on	O
networked	O
computers	O
and	O
view	O
basic	O
information	O
about	O
each	O
computer	O
.	O
</s>
<s>
This	O
version	O
uses	O
the	O
same	O
codebase	B-General_Concept
as	O
Norton	B-Application
Internet	I-Application
Security	I-Application
2009	O
.	O
</s>
<s>
For	O
earlier	O
versions	O
,	O
Symantec	O
rewrote	O
code	O
specifically	O
for	O
Norton	B-Application
360	I-Application
.	O
</s>
<s>
Safe	O
Web	O
integrates	O
with	O
Firefox	B-Application
and	O
Internet	B-Application
Explorer	I-Application
as	O
a	O
toolbar	O
,	O
blocking	O
access	O
to	O
fraudulent	O
and	O
malware	O
hosting	O
sites	O
.	O
</s>
<s>
This	O
toolbar	O
also	O
includes	O
a	O
search	O
box	O
,	O
routing	O
search	O
queries	O
typed	O
in	O
the	O
box	O
through	O
the	O
Ask.com	B-Application
search	I-Application
engine	O
.	O
</s>
<s>
The	O
toolbar	O
does	O
not	O
share	O
code	O
with	O
the	O
Ask.com	B-Application
toolbar	O
,	O
which	O
was	O
classified	O
as	O
spyware	O
by	O
McAfee	O
,	O
Trend	O
Micro	O
,	O
and	O
other	O
antivirus	B-Application
vendors	O
.	O
</s>
<s>
Due	O
to	O
criticism	O
of	O
the	O
search	O
functionality	O
,	O
Symantec	O
announced	O
the	O
Ask.com	B-Application
search	I-Application
box	O
would	O
be	O
hidden	O
in	O
future	O
releases	O
of	O
version	O
3.0	O
.	O
</s>
<s>
Files	O
stored	O
on	O
a	O
flash	O
drive	O
can	O
be	O
copied	O
to	O
another	O
computer	O
without	O
Norton	B-Application
360	I-Application
installed	O
.	O
</s>
<s>
Norton	O
also	O
creates	O
a	O
virtual	B-Application
drive	I-Application
in	O
Windows	B-Protocol
Explorer	I-Protocol
,	O
allowing	O
users	O
to	O
browse	O
their	O
backup	B-Application
files	O
,	O
stored	O
locally	O
or	O
online	O
.	O
</s>
<s>
PC	O
Magazine	O
also	O
noted	O
a	O
support	O
session	O
with	O
a	O
Symantec	O
technician	O
who	O
used	O
the	O
shareware	B-License
application	O
Malwarebytes	B-Language
Anti-Malware	I-Language
to	O
remove	O
malware	O
from	O
a	O
computer	O
,	O
referring	O
to	O
it	O
as	O
an	O
"	O
online	O
Norton	O
program	O
"	O
.	O
</s>
<s>
This	O
version	O
adds	O
many	O
new	O
security	O
features	O
found	O
in	O
Norton	B-Application
Internet	I-Application
Security	I-Application
2010	I-Application
.	O
</s>
<s>
The	O
prominent	O
colors	O
now	O
match	O
the	O
gold	O
and	O
black	O
sunburst	O
of	O
Norton	B-Application
Internet	I-Application
Security	I-Application
.	O
</s>
<s>
Download	O
Insight	O
now	O
not	O
only	O
supports	O
Internet	B-Application
Explorer	I-Application
and	O
Firefox	B-Application
browsers	I-Application
only	O
,	O
but	O
also	O
supports	O
the	O
following	O
clients	O
:	O
QQ	O
(	O
Chat	O
)	O
,	O
MSN	O
Messenger	O
(	O
Chat	O
)	O
,	O
Limewire	O
(	O
P2P	O
)	O
,	O
MSN	O
Explorer	O
(	O
Browser	B-Application
,	O
E-mail	O
&	O
Chat	O
)	O
,	O
Opera	O
(	O
Browser	B-Application
)	O
,	O
Outlook	O
(	O
E-mail	O
)	O
,	O
Thunderbird	O
(	O
E-mail	O
)	O
,	O
Windows	O
Mail	O
(	O
E-mail	O
)	O
,	O
Chrome	O
(	O
Browser	B-Application
)	O
,	O
BitTorrent	O
(	O
P2P	O
)	O
,	O
AOL	O
(	O
Browser	B-Application
)	O
,	O
Yahoo	O
Messenger	O
(	O
Chat	O
)	O
,	O
Safari	O
(	O
Browser	B-Application
)	O
,	O
FileZilla	O
(	O
File	O
Manager	O
)	O
,	O
Outlook	O
Express	O
(	O
E-mail	O
)	O
.	O
</s>
<s>
The	O
backup	B-Application
and	O
restore	O
functionality	O
has	O
also	O
been	O
improved	O
.	O
</s>
<s>
rated	O
Norton	B-Application
360	I-Application
5.0	O
as	O
the	O
fastest	O
and	O
lightest	O
all-in-one	O
suite	O
.	O
</s>
<s>
This	O
version	O
of	O
Norton	O
was	O
released	O
on	O
September	O
5	O
,	O
2012	O
,	O
together	O
with	O
the	O
newest	O
Norton	B-Application
AntiVirus	I-Application
and	O
Norton	B-Application
Internet	I-Application
Security	I-Application
products	O
.	O
</s>
<s>
The	O
software	O
is	O
compatible	O
with	O
Windows	B-Application
8	I-Application
.	O
</s>
<s>
This	O
version	O
of	O
Norton	B-Application
360	I-Application
features	O
enhancements	O
in	O
social	O
networking	O
protection	O
,	O
anti-scam	O
capabilities	O
,	O
and	O
stronger	O
networking	O
defenses	O
.	O
</s>
<s>
Version	O
21	O
of	O
Norton	O
's	O
security	O
suite	O
was	O
released	O
on	O
September	O
4	O
,	O
2013	O
,	O
together	O
with	O
the	O
newest	O
Norton	B-Application
Antivirus	I-Application
and	O
Norton	B-Application
Internet	I-Application
Security	I-Application
products	O
.	O
</s>
<s>
Norton	B-Application
360	I-Application
is	O
an	O
antivirus	B-Application
solution	O
developed	O
on	O
SONAR	O
technology	O
,	O
which	O
claims	O
to	O
be	O
able	O
to	O
detect	O
any	O
threat	O
,	O
block	O
it	O
,	O
and	O
remove	O
it	O
,	O
thanks	O
to	O
three	O
out	O
of	O
five	O
layers	O
of	O
shields	O
:	O
Threat	O
Monitoring	O
,	O
Threat	O
Removal	O
,	O
and	O
Network	O
Defense	O
,	O
the	O
last	O
one	O
dealing	O
with	O
online	O
threats	O
before	O
they	O
can	O
actually	O
reach	O
the	O
user	O
’s	O
computer	O
.	O
</s>
<s>
This	O
release	O
was	O
marketed	O
as	O
Norton	B-Application
Security	I-Application
2015	O
,	O
however	O
Norton	B-Application
360	I-Application
users	O
are	O
able	O
to	O
update	O
to	O
v22	O
,	O
even	O
when	O
Norton	O
is	O
retiring	O
the	O
Norton	B-Application
360	I-Application
brand	O
.	O
</s>
<s>
The	O
appearance	O
of	O
the	O
software	O
is	O
identical	O
to	O
Norton	B-Application
Security	I-Application
2015	O
,	O
except	O
for	O
the	O
product	O
name	O
in	O
the	O
top-left	O
corner	O
.	O
</s>
<s>
In	O
April	O
2019	O
,	O
the	O
Norton	B-Application
360	I-Application
brand	O
was	O
revived	O
to	O
replace	O
Norton	B-Application
Security	I-Application
,	O
adding	O
Norton	O
Secure	O
VPN	B-Application
,	O
10GB	O
of	O
online	O
backup	B-Application
per-user	O
,	O
as	O
well	O
as	O
premium	O
plans	O
incorporating	O
LifeLock	O
identity	O
theft	O
protection.Additional	O
features	O
have	O
been	O
added	O
to	O
the	O
Norton	B-Application
360	I-Application
product	O
line	O
,	O
including	O
a	O
specific	O
suite	O
of	O
tools	O
for	O
gaming	O
in	O
2021	O
,	O
and	O
social	O
media	O
monitoring	O
services	O
in	O
February	O
2022.Norton	O
360	O
won	O
three	O
categories	O
in	O
AV-TEST	O
Institute	O
's	O
2021	O
Awards	O
,	O
for	O
Best	O
Protection	O
and	O
Best	O
Performance	O
for	O
Windows	B-Application
Home	I-Application
,	O
MacOS	B-Application
security	O
,	O
and	O
Android	B-Application
security	O
for	O
consumer	O
use	O
.	O
</s>
<s>
In	O
January	O
2022	O
,	O
Norton	O
installed	O
a	O
cryptominer	O
that	O
would	O
mine	O
Ethereum	B-Application
once	O
activated	O
by	O
the	O
user	O
;	O
the	O
feature	O
was	O
permanently	O
disabled	O
in	O
September	O
of	O
that	O
year	O
.	O
</s>
<s>
Norton	B-Application
360	I-Application
is	O
available	O
as	O
Norton	B-Application
360	I-Application
(	O
standard	O
)	O
,	O
Norton	B-Application
360	I-Application
Premier	O
Edition	O
,	O
and	O
Norton	B-Application
360	I-Application
Multi-Device	O
.	O
</s>
<s>
Norton	B-Application
360	I-Application
Multi-Device	O
is	O
actually	O
three	O
products	O
in	O
one	O
subscription	O
:	O
Norton	B-Application
360	I-Application
Premier	O
Edition	O
,	O
Norton	B-Application
Internet	I-Application
Security	I-Application
for	O
Mac®	O
,	O
and	O
Norton	O
Mobile	O
Security	O
.	O
</s>
<s>
The	O
comparison	O
between	O
Norton	B-Application
360	I-Application
editions	O
and	O
Norton	O
One	O
shows	O
all	O
of	O
the	O
features	O
and	O
OS	O
coverage	O
.	O
</s>
<s>
Norton	B-Application
360	I-Application
-	O
Gold	O
Edition	O
credit	O
card	O
type	O
with	O
5	O
unique	O
sets	O
of	O
alpha-numeric	O
key	O
data	O
on	O
reverse	O
is	O
sold	O
with	O
the	O
instructions	O
to	O
go	O
online	O
and	O
install	O
on	O
the	O
installation	O
page	O
.	O
</s>
<s>
Norton	B-Application
360	I-Application
software	O
is	O
not	O
sold	O
;	O
it	O
is	O
a	O
purchased	O
subscription	O
for	O
a	O
stated	O
period	O
(	O
e.g.	O
</s>
<s>
firewall	O
,	O
antivirus	B-Application
)	O
is	O
automatically	O
disabled	O
at	O
the	O
end	O
of	O
the	O
subscription	O
period	O
,	O
unless	O
a	O
new	O
subscription	O
is	O
purchased	O
.	O
</s>
<s>
A	O
special	O
edition	O
of	O
Norton	B-Application
360	I-Application
Premier	O
Edition	O
,	O
branded	O
,	O
used	O
to	O
be	O
available	O
for	O
free	O
to	O
PC	O
and	O
Mac	O
customers	O
of	O
Comcast	O
Xfinity	O
internet	O
service	O
until	O
1/1/2021	O
.	O
</s>
<s>
Comcast	O
Norton	B-Application
Security	I-Application
Subscriptions	O
ended	O
1/1/2021	O
.	O
</s>
<s>
The	O
only	O
difference	O
between	O
Norton	B-Application
360	I-Application
Premier	O
Edition	O
and	O
Norton	B-Application
Security	I-Application
Suite	I-Application
is	O
the	O
latter	O
does	O
not	O
include	O
any	O
online	O
storage	O
feature	O
.	O
</s>
<s>
Major	O
version	O
updates	O
to	O
Norton	B-Application
Security	I-Application
Suite	I-Application
typically	O
occur	O
about	O
1	O
month	O
or	O
more	O
after	O
Norton	B-Application
360	I-Application
.	O
</s>
<s>
Gen	O
Digital	O
Inc	O
.	O
released	O
a	O
mobile	O
Norton	B-Application
360	I-Application
application	O
in	O
2021	O
on	O
the	O
App	B-Application
Store	I-Application
for	O
iOS	B-Application
devices	O
,	O
and	O
Google	B-Application
Play	I-Application
for	O
Android	B-Application
devices	O
.	O
</s>
<s>
The	O
trojan	O
horse	O
is	O
activated	O
when	O
the	O
suspect	O
uses	O
PGP	B-Application
encryption	I-Application
,	O
often	O
used	O
to	O
increase	O
the	O
security	O
of	O
sent	O
e-mail	O
messages	O
.	O
</s>
<s>
When	O
activated	O
,	O
the	O
trojan	O
horse	O
will	O
log	O
the	O
PGP	B-Application
password	O
,	O
which	O
allows	O
the	O
FBI	O
to	O
decrypt	O
user	O
communications	O
.	O
</s>
<s>
Symantec	O
and	O
other	O
major	O
antivirus	B-Application
vendors	O
have	O
whitelisted	O
Magic	O
Lantern	O
,	O
rendering	O
their	O
antivirus	B-Application
products	O
,	O
including	O
Norton	B-Application
Internet	I-Application
Security	I-Application
,	O
incapable	O
of	O
detecting	O
Magic	O
Lantern	O
.	O
</s>
<s>
Norton	B-Application
Internet	I-Application
Security	I-Application
(	O
Windows	O
versions	O
)	O
is	O
criticized	O
for	O
not	O
uninstalling	B-Application
completely	O
,	O
leaving	O
unnecessary	O
files	O
and	O
registry	B-Protocol
entries	O
.	O
</s>
<s>
The	O
user	O
must	O
uninstall	B-Application
both	O
Norton	B-Application
Internet	I-Application
Security	I-Application
and	O
the	O
LiveUpdate	O
component	O
manually	O
.	O
</s>
<s>
Symantec	O
has	O
developed	O
the	O
Norton	O
Removal	O
Tool	O
to	O
remove	O
registry	B-Protocol
keys	I-Protocol
and	O
values	O
along	O
with	O
files	O
and	O
folders	O
.	O
</s>
<s>
The	O
uninstaller	B-Application
must	O
be	O
run	O
twice	O
:	O
initially	O
,	O
then	O
again	O
after	O
a	O
computer	O
restart	O
,	O
requiring	O
a	O
second	O
restart	O
.	O
</s>
<s>
Uninstallation	B-Application
will	O
not	O
remove	O
subscription	O
data	O
,	O
which	O
is	O
preserved	O
to	O
prevent	O
users	O
from	O
installing	O
multiple	O
trial	O
copies	O
.	O
</s>
<s>
When	O
Norton	B-Application
360	I-Application
version	O
2.0	O
is	O
installed	O
,	O
users	O
have	O
encountered	O
incompatibilities	O
upgrading	O
to	O
Windows	B-Application
XP	I-Application
Service	I-Application
Pack	I-Application
3	I-Application
or	O
Windows	B-Application
Vista	I-Application
Service	O
Pack	O
1	O
.	O
</s>
<s>
Users	O
report	O
numerous	O
invalid	O
Windows	B-Protocol
Registry	I-Protocol
keys	O
being	O
added	O
by	O
a	O
tool	O
named	O
fixcss.exe	O
,	O
resulting	O
in	O
an	O
empty	O
Device	O
Manager	O
and	O
missing	O
devices	O
such	O
as	O
wireless	O
network	O
adapters	O
.	O
</s>
<s>
Cole	O
also	O
said	O
that	O
Symantec	O
had	O
done	O
"	O
extensive	O
testing	O
"	O
of	O
its	O
products	O
with	O
Windows	B-Application
XP	I-Application
SP3	O
,	O
but	O
this	O
issue	O
was	O
not	O
encountered	O
.	O
</s>
<s>
Cole	O
blamed	O
Microsoft	O
"	O
This	O
is	O
related	O
to	O
XP	B-Application
SP3.	O
"	O
</s>
<s>
A	O
tool	O
to	O
remove	O
the	O
added	O
registry	B-Protocol
entries	O
is	O
available	O
from	O
Symantec	O
.	O
</s>
<s>
Sarah	O
Hicks	O
,	O
Symantec	O
's	O
vice	O
president	O
of	O
consumer	O
product	O
management	O
,	O
voiced	O
concern	O
over	O
Windows	B-Application
Vista	I-Application
64-bit	O
'	O
s	O
PatchGuard	O
feature	O
.	O
</s>
<s>
PatchGuard	O
was	O
designed	O
by	O
Microsoft	O
to	O
ensure	O
the	O
integrity	O
of	O
the	O
kernel	B-Operating_System
,	O
a	O
part	O
of	O
an	O
operating	B-General_Concept
system	I-General_Concept
which	O
interacts	O
with	O
the	O
hardware	O
.	O
</s>
<s>
Rootkits	O
may	O
hide	O
in	O
an	O
operating	B-General_Concept
system	I-General_Concept
's	O
kernel	B-Operating_System
,	O
complicating	O
removal	O
.	O
</s>
<s>
Mike	O
Dalton	O
,	O
European	O
president	O
of	O
McAfee	O
said	O
,	O
"	O
The	O
decision	O
to	O
build	O
a	O
wall	O
around	O
the	O
kernel	B-Operating_System
with	O
the	O
assumption	O
it	O
ca	O
n't	O
be	O
breached	O
is	O
ridiculous	O
"	O
,	O
claiming	O
Microsoft	O
was	O
preventing	O
security	O
vendors	O
from	O
effectively	O
protecting	O
the	O
kernel	B-Operating_System
while	O
promoting	O
its	O
own	O
security	O
product	O
,	O
Windows	B-Protocol
Live	I-Protocol
OneCare	I-Protocol
.	O
</s>
<s>
Hicks	O
said	O
Symantec	O
did	O
not	O
mind	O
the	O
competition	O
from	O
OneCare	B-Protocol
.	O
</s>
<s>
After	O
negotiations	O
and	O
investigations	O
from	O
antitrust	O
regulators	O
,	O
Microsoft	O
decided	O
to	O
allow	O
security	O
vendors	O
access	O
to	O
the	O
kernel	B-Operating_System
by	O
creating	O
special	O
API	B-Application
instructions	O
.	O
</s>
<s>
Norton	B-Application
360	I-Application
comes	O
with	O
a	O
one-year	O
subscription	O
which	O
is	O
activated	O
upon	O
installation	O
,	O
and	O
is	O
valid	O
for	O
three	O
home	O
computers	O
.	O
</s>
<s>
Expiration	O
of	O
the	O
subscription	O
not	O
only	O
blocks	O
access	O
to	O
program	O
updates	O
but	O
shuts	O
down	O
the	O
antivirus	B-Application
and	O
the	O
firewall	O
as	O
well	O
.	O
</s>
