<s>
Norton	B-Application
Security	I-Application
is	O
a	O
cross-platform	O
security	O
suite	O
that	O
provides	O
subscription-based	O
real-time	O
malware	O
prevention	O
and	O
removal	O
in	O
addition	O
to	O
identity	O
theft	O
protection	O
and	O
performance	B-Device
tuning	I-Device
tools	O
.	O
</s>
<s>
Other	O
features	O
include	O
a	O
personal	B-Protocol
firewall	I-Protocol
,	O
email	O
spam	O
filtering	O
,	O
and	O
phishing	O
protection	O
.	O
</s>
<s>
In	O
April	O
2019	O
it	O
has	O
been	O
replaced	O
by	O
the	O
Norton	B-Application
360	I-Application
brand	O
.	O
</s>
<s>
Norton	B-Application
Security	I-Application
superseded	O
Norton	B-Application
Internet	I-Application
Security	I-Application
(	O
and	O
the	O
pre-2019	O
versions	O
of	O
Norton	B-Application
360	I-Application
)	O
,	O
with	O
an	O
overlapping	O
release	O
cycle	O
that	O
saw	O
version	O
22	O
as	O
the	O
initial	O
release	O
of	O
the	O
former	O
and	O
the	O
final	O
release	O
of	O
the	O
latter	O
.	O
</s>
<s>
However	O
,	O
version	O
22	O
of	O
Norton	B-Application
360	I-Application
and	O
Norton	B-Application
Internet	I-Application
Security	I-Application
were	O
updates	O
as	O
opposed	O
to	O
full	O
releases	O
.	O
</s>
<s>
In	O
terms	O
of	O
similarities	O
and	O
differences	O
with	O
its	O
predecessors	O
,	O
Norton	B-Application
Security	I-Application
retained	O
all	O
components	O
of	O
Norton	B-Application
Internet	I-Application
Security	I-Application
(	O
including	O
the	O
antivirus	O
,	O
firewall	O
and	O
identity	O
theft	O
components	O
)	O
and	O
added	O
the	O
optimization	B-Device
tools	I-Device
from	O
Norton	B-Application
360	I-Application
.	O
</s>
<s>
Norton	B-Application
Security	I-Application
is	O
available	O
in	O
three	O
editions	O
:	O
Norton	B-Application
Security	I-Application
Standard	O
with	O
one	O
license	O
(	O
valid	O
for	O
a	O
single	O
device	O
)	O
,	O
Norton	B-Application
Security	I-Application
Deluxe	O
with	O
five	O
licenses	O
and	O
Norton	B-Application
Security	I-Application
Premium	O
which	O
offers	O
ten	O
licenses	O
,	O
25	O
GB	O
of	O
hosted	B-General_Concept
online	I-General_Concept
backup	I-General_Concept
,	O
and	O
a	O
premium	O
subscription	O
to	O
Symantec	O
's	O
parental	O
control	O
system	O
.	O
</s>
<s>
All	O
editions	O
include	O
protection	O
for	O
Windows	O
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Android	B-Application
and	O
iOS	B-Application
devices	O
.	O
</s>
<s>
In	O
April	O
2019	O
,	O
the	O
Norton	B-Application
360	I-Application
brand	O
was	O
reinstated	O
as	O
a	O
replacement	O
,	O
maintaining	O
a	O
similar	O
plan	O
structure	O
but	O
with	O
the	O
addition	O
of	O
VPN	O
and	O
,	O
on	O
the	O
premium	O
tiers	O
,	O
LifeLock	O
(	O
which	O
was	O
acquired	O
by	O
Symantec	O
in	O
2017	O
)	O
.	O
</s>
<s>
Microsoft	B-Application
Windows	I-Application
8/8.1	O
(	O
all	O
versions	O
)	O
.	O
</s>
<s>
Microsoft	B-Application
Windows	I-Application
10	O
(	O
all	O
versions	O
)	O
.	O
</s>
<s>
Older	O
macOS	B-Operating_System
Versions	O
may	O
get	O
the	O
latest	O
virus	O
definitons	O
,	O
but	O
not	O
the	O
latest	O
product	O
updates	O
.	O
</s>
