<s>
Samsung	B-Application
Knox	I-Application
is	O
a	O
proprietary	O
security	O
and	O
management	O
framework	B-Application
pre-installed	O
on	O
most	O
Samsung	B-Application
mobile	O
devices	O
.	O
</s>
<s>
Knox	O
provides	O
more	O
granular	O
control	O
over	O
the	O
standard	O
work	O
profile	O
to	O
manage	O
capabilities	O
found	O
only	O
on	O
Samsung	B-Application
devices	O
.	O
</s>
<s>
Knox	O
's	O
features	O
fall	O
within	O
three	O
categories	O
:	O
data	O
security	O
,	O
device	O
manageability	O
,	O
and	O
VPN	B-Application
capability	O
.	O
</s>
<s>
Organizations	O
can	O
customize	O
their	O
managed	O
mobile	O
devices	O
by	O
configuring	O
various	O
functions	O
,	O
including	O
pre-loaded	O
applications	O
,	O
settings	O
,	O
boot-up	O
animations	O
,	O
home	B-Operating_System
screens	I-Operating_System
,	O
and	O
lock	O
screens	O
.	O
</s>
<s>
As	O
of	O
December	O
2020	O
,	O
organizations	O
can	O
use	O
specific	O
Samsung	B-Application
mobile	O
device	O
cameras	O
as	O
barcode	B-Device
scanners	I-Device
,	O
using	O
Knox	O
services	O
to	O
capture	B-General_Concept
and	O
analyze	B-General_Concept
the	O
data	O
.	O
</s>
<s>
Samsung	B-Application
Knox	I-Application
provides	O
hardware	O
and	O
software	O
security	O
features	O
that	O
allow	O
business	O
and	O
personal	O
content	O
to	O
coexist	O
on	O
the	O
same	O
device	O
.	O
</s>
<s>
Knox	O
integrates	O
web	O
services	O
to	O
assist	O
organizations	O
in	O
managing	O
fleets	O
of	O
mobile	O
devices	O
,	O
which	O
allows	O
IT	O
administrators	O
to	O
register	O
new	O
devices	O
,	O
identify	O
a	O
Unified	O
Endpoint	O
Management	O
(	O
UEM	O
)	O
system	O
,	O
define	O
the	O
organizational	O
rules	O
that	O
govern	O
the	O
use	O
of	O
devices	O
,	O
and	O
upgrade	O
device	O
firmware	B-Application
over-the-air	O
.	O
</s>
<s>
Developers	O
can	O
integrate	O
these	O
features	O
with	O
their	O
applications	O
using	O
Knox	O
SDKs	B-Application
and	O
REST	B-Protocol
APIs	I-Protocol
.	O
</s>
<s>
Samsung	B-Application
Knox	I-Application
provides	O
the	O
following	O
web-based	O
services	O
for	O
organizations	O
:	O
</s>
<s>
To	O
manage	O
mobile	O
devices	O
:	O
Knox	O
Suite	O
,	O
Knox	B-Application
Platform	I-Application
for	O
Enterprise	O
,	O
Knox	O
Mobile	O
Enrollment	O
,	O
Knox	O
Manage	O
,	O
and	O
Knox	O
E-FOTA	O
.	O
</s>
<s>
Most	O
services	O
are	O
registered	O
and	O
accessed	O
through	O
the	O
Samsung	B-Application
Knox	I-Application
web	O
consoles	O
,	O
with	O
some	O
accessed	O
through	O
the	O
Samsung	B-Application
Knox	I-Application
SDK	O
.	O
</s>
<s>
Knox	O
Capture	B-General_Concept
uses	O
a	O
Samsung	B-Application
mobile	O
device	O
’s	O
camera	O
to	O
capture	B-General_Concept
all	O
major	O
barcode	O
symbologies	O
like	O
UPC	O
,	O
Code	O
39	O
,	O
EAN	O
,	O
and	O
QR	O
.	O
</s>
<s>
When	O
Samsung	B-Application
Knox	I-Application
debuted	O
with	O
the	O
Galaxy	B-Application
S3	I-Application
in	O
2013	O
,	O
it	O
included	O
a	O
proprietary	O
container	O
feature	O
that	O
stored	O
security-sensitive	O
applications	O
and	O
data	O
inside	O
a	O
protected	O
execution	O
environment	O
.	O
</s>
<s>
Samsung	B-Application
then	O
spun	O
off	O
consumer	O
versions	O
of	O
the	O
container	O
feature	O
,	O
which	O
did	O
not	O
require	O
a	O
UEM	O
system	O
to	O
manage	O
.	O
</s>
<s>
In	O
2018	O
,	O
Samsung	B-Application
partnered	O
with	O
Google	B-Application
to	O
use	O
its	O
Android	B-Application
work	O
profile	O
to	O
secure	O
applications	O
and	O
data	O
,	O
and	O
in	O
2019	O
deprecated	O
the	O
Knox	O
Workspace	O
container	O
.	O
</s>
<s>
Samsung	B-Application
continues	O
to	O
pre-install	O
the	O
Secure	O
Folder	O
on	O
most	O
flagship	O
mobile	O
devices	O
,	O
but	O
consumers	O
must	O
enable	O
it	O
for	O
use	O
.	O
</s>
<s>
The	O
Samsung	B-Application
RKP	O
feature	O
tracks	O
kernel	B-Operating_System
changes	O
in	O
real-time	O
and	O
prevents	O
the	O
phone	O
from	O
booting	O
,	O
as	O
well	O
as	O
displaying	O
a	O
warning	O
message	O
about	O
using	O
"	O
Unsecured	O
"	O
Samsung	B-Application
devices	O
.	O
</s>
<s>
This	O
feature	O
is	O
analogous	O
to	O
Android	B-Application
dm-verity/AVB	O
and	O
requires	O
a	O
signed	O
bootloader	B-Application
.	O
</s>
<s>
Although	O
Android	B-Application
phones	I-Application
are	O
already	O
protected	O
from	O
malicious	O
code	O
or	O
exploits	O
by	O
SE	O
for	O
Android	B-Application
and	O
other	O
features	O
,	O
Samsung	B-Application
Knox	I-Application
provides	O
periodic	O
updates	O
that	O
check	O
for	O
patches	O
to	O
further	O
protect	O
the	O
system	O
.	O
</s>
<s>
During	O
Secure	O
Boot	O
,	O
Samsung	B-Application
runs	O
a	O
pre-boot	O
environment	O
to	O
check	O
for	O
a	O
signature	O
match	O
on	O
all	O
operating	B-General_Concept
system	I-General_Concept
(	O
OS	O
)	O
elements	O
before	O
booting	O
in	O
the	O
main	O
kernel	B-Operating_System
.	O
</s>
<s>
If	O
an	O
unauthorized	O
change	O
is	O
detected	O
,	O
the	O
e-fuse	B-Device
is	O
tripped	O
and	O
the	O
system	O
's	O
status	O
changes	O
from	O
"	O
Official	O
"	O
to	O
"	O
Custom	O
"	O
.	O
</s>
<s>
Several	O
other	O
features	O
that	O
facilitate	O
enterprise	O
use	O
are	O
incorporated	O
in	O
Samsung	B-Application
Knox	I-Application
,	O
including	O
Samsung	B-Application
KMS	O
(	O
SKMS	O
)	O
for	O
eSE	O
NFC	O
services	O
,	O
Mobile	O
device	O
management	O
(	O
MDM	O
)	O
,	O
Knox	O
Certificate	O
Management	O
(	O
CEP	O
)	O
,	O
Single	O
Sign-On	O
(	O
SSO	O
)	O
,	O
One	O
Time	O
Password	O
(	O
OTP	O
)	O
,	O
SIM	O
PIN	O
Management	O
,	O
Firmware-Over-The-Air	O
(	O
FOTA	O
)	O
and	O
Virtual	B-Application
Private	I-Application
Network	I-Application
(	O
VPN	B-Application
)	O
.	O
</s>
<s>
Samsung	B-Application
has	O
patched	O
the	O
kernel	B-Operating_System
to	O
prevent	O
root	B-Application
access	O
from	O
being	O
granted	O
to	O
apps	O
even	O
after	O
rooting	B-Application
was	O
successful	O
since	O
the	O
release	O
of	O
Android	B-Application
Oreo	I-Application
.	O
</s>
<s>
This	O
patch	O
prevents	O
unauthorized	O
apps	O
from	O
changing	O
the	O
system	O
and	O
deters	O
rooting	B-Application
.	O
</s>
<s>
Knox	O
includes	O
built-in	O
hardware	O
security	O
features	O
ARM	O
TrustZone	O
(	O
a	O
technology	O
similar	O
to	O
TPM	O
)	O
and	O
a	O
bootloader	B-Application
ROM	B-Device
.	O
</s>
<s>
Samsung	B-Application
Knox	I-Application
devices	O
use	O
an	O
e-fuse	B-Device
to	O
indicate	O
whether	O
or	O
not	O
an	O
"	O
untrusted	O
"	O
(	O
non-Samsung	O
)	O
boot	O
path	O
has	O
ever	O
been	O
run	O
.	O
</s>
<s>
The	O
e-fuse	B-Device
will	O
be	O
set	O
if	O
the	O
device	O
boots	O
with	O
a	O
non-Samsung	O
signed	O
bootloader	B-Application
,	O
kernel	B-Operating_System
,	O
kernel	B-Operating_System
initialization	O
script	O
,	O
or	O
data	O
.	O
</s>
<s>
Rooting	B-Application
the	O
device	O
or	O
flashing	O
a	O
non-Samsung	O
Android	B-Application
release	O
also	O
sets	O
the	O
e-fuse	B-Device
.	O
</s>
<s>
Once	O
the	O
e-fuse	B-Device
is	O
set	O
,	O
a	O
device	O
can	O
no	O
longer	O
create	O
a	O
Knox	O
Workspace	O
container	O
or	O
access	O
the	O
data	O
previously	O
stored	O
in	O
an	O
existing	O
Knox	O
Workspace	O
.	O
</s>
<s>
In	O
the	O
United	O
States	O
,	O
this	O
information	O
may	O
be	O
used	O
by	O
Samsung	B-Application
to	O
deny	O
warranty	O
service	O
to	O
devices	O
that	O
have	O
been	O
modified	O
in	O
this	O
manner	O
.	O
</s>
<s>
Voiding	O
consumer	O
warranties	O
in	O
this	O
manner	O
may	O
be	O
prohibited	O
by	O
the	O
Magnuson	O
–	O
Moss	O
Warranty	O
Act	O
of	O
1975	O
,	O
at	O
least	O
in	O
cases	O
where	O
the	O
phone	O
's	O
problem	O
is	O
not	O
directly	O
caused	O
by	O
rooting	B-Application
.	O
</s>
<s>
In	O
addition	O
to	O
voiding	O
the	O
warranty	O
,	O
tripping	O
the	O
e-fuse	B-Device
also	O
prevents	O
some	O
Samsung-specific	O
apps	O
from	O
running	O
,	O
such	O
as	O
Secure	O
Folder	O
,	O
Samsung	B-Application
Pay	I-Application
,	O
Samsung	B-Application
Health	I-Application
,	O
and	O
Samsung	B-Application
Browser	I-Application
's	O
secret	O
mode	O
.	O
</s>
<s>
For	O
some	O
older	O
versions	O
of	O
Knox	O
,	O
it	O
may	O
be	O
possible	O
to	O
clear	O
the	O
e-fuse	B-Device
by	O
flashing	O
a	O
custom	O
firmware	B-Application
.	O
</s>
<s>
Options	O
to	O
manage	O
Samsung	B-Application
DeX	I-Application
were	O
added	O
in	O
Knox	O
3.3	O
to	O
allow	O
or	O
restrict	O
access	O
using	O
the	O
Knox	B-Application
platform	I-Application
for	O
added	O
control	O
and	O
security	O
.	O
</s>
<s>
In	O
June	O
2014	O
,	O
the	O
Defense	O
Information	O
Systems	O
Agency	O
's	O
(	O
DISA	O
)	O
list	O
of	O
approved	O
products	O
for	O
sensitive	O
but	O
unclassified	O
use	O
included	O
five	O
Samsung	B-Application
devices	O
.	O
</s>
<s>
In	O
October	O
2014	O
,	O
a	O
security	O
researcher	O
discovered	O
that	O
Samsung	B-Application
Knox	I-Application
stores	O
PINs	O
in	O
plain	O
text	O
rather	O
than	O
storing	O
salted	O
and	O
hashed	B-Algorithm
PINs	O
and	O
processing	O
them	O
by	O
obfuscated	O
code	O
.	O
</s>
<s>
In	O
October	O
2014	O
,	O
the	O
U.S	O
National	O
Security	O
Agency	O
(	O
NSA	O
)	O
approved	O
Samsung	B-Operating_System
Galaxy	I-Operating_System
devices	O
for	O
use	O
in	O
a	O
program	O
for	O
quickly	O
deploying	O
commercially	O
available	O
technologies	O
.	O
</s>
<s>
Approved	O
products	O
include	O
Galaxy	B-Application
S4	I-Application
,	O
Galaxy	B-Application
S5	I-Application
,	O
Galaxy	B-Application
S6	I-Application
,	O
Galaxy	B-Application
S7	I-Application
,	O
Galaxy	B-Application
Note	I-Application
3	I-Application
,	O
and	O
Galaxy	B-Device
Note	I-Device
10.1	I-Device
2014	I-Device
.	O
</s>
