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Science
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3
6
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3
,
Dec
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20
24
,
p
p
.
1
6
31
~
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39
I
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DOI
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K
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C
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C
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Dec
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Ho
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T
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CC B
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C
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A
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An
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P.
Gam
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Dep
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tm
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I
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Facu
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C
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State
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-
[
5
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.
On
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[
7
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[
8
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.
Am
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,
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
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5
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2
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52
In
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
,
Vo
l.
3
6
,
No
.
3
,
Dec
em
b
er
20
24
:
1
6
31
-
1
6
39
1632
s
ec
u
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ity
m
o
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h
av
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cr
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r
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d
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p
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[
9
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.
B
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ab
le
in
tellig
en
ce
f
r
o
m
t
h
ese
in
ter
ac
tio
n
s
.
B
y
b
u
ild
in
g
u
p
o
n
p
ast
r
esear
ch
an
d
in
co
r
p
o
r
atin
g
r
ea
l
-
wo
r
ld
test
in
g
s
ce
n
ar
io
s
,
th
is
s
tu
d
y
c
o
n
tr
ib
u
tes
to
a
d
v
an
ci
n
g
th
e
u
n
d
e
r
s
tan
d
in
g
o
f
d
ec
ep
tio
n
-
d
r
iv
en
s
ec
u
r
ity
p
ar
ad
ig
m
s
an
d
th
eir
r
o
le
in
m
o
d
er
n
cy
b
er
s
ec
u
r
ity
f
r
a
m
ewo
r
k
s
[
1
7
]
,
[
1
8
]
.
T
h
e
in
v
esti
g
atio
n
co
n
tr
ib
u
tes
to
th
e
o
n
g
o
in
g
d
is
co
u
r
s
e
o
n
d
e
ce
p
tio
n
-
d
r
i
v
en
s
ec
u
r
ity
a
p
p
r
o
ac
h
es
an
d
in
f
o
r
m
s
cy
b
er
s
ec
u
r
ity
p
r
ac
titi
o
n
er
s
an
d
d
ec
is
io
n
-
m
ak
er
s
ab
o
u
t
th
e
ef
f
icac
y
o
f
ad
o
p
tin
g
s
u
ch
m
o
d
els,
wh
ich
co
u
l
d
r
esu
lt in
b
etter
an
d
m
o
r
e
ad
ap
t
ab
le
s
ec
u
r
ity
s
o
lu
tio
n
s
.
2.
M
E
T
H
O
D
T
h
e
s
tu
d
y
test
s
th
e
ef
f
ec
ti
v
en
ess
o
f
a
c
o
n
tr
o
lled
test
in
g
e
n
v
ir
o
n
m
en
t
u
s
in
g
a
two
-
la
y
er
ed
d
ec
ep
tio
n
ar
ch
itectu
r
e.
A
co
n
tr
o
lled
t
esti
n
g
en
v
ir
o
n
m
en
t
was
estab
lis
h
ed
,
u
tili
zin
g
v
ar
io
u
s
p
en
etr
atio
n
test
in
g
tech
n
iq
u
es
to
s
im
u
late
r
ea
l
-
w
o
r
ld
c
y
b
er
attac
k
s
.
T
h
e
p
r
im
a
r
y
o
b
jectiv
e
was
to
ass
ess
th
e
m
o
d
el'
s
ab
ilit
y
to
d
etec
t,
d
iv
er
t,
a
n
d
g
at
h
er
in
tell
ig
en
ce
o
n
u
n
a
u
th
o
r
ized
ac
ce
s
s
attem
p
ts
.
2
.
1
.
Net
w
o
rk
a
rc
hite
ct
ura
l
m
o
del
T
h
e
d
esig
n
an
d
im
p
lem
en
tat
io
n
o
f
th
e
p
r
o
p
o
s
ed
two
-
tie
r
d
ec
ep
tio
n
s
ec
u
r
ity
m
o
d
el
co
v
er
th
e
ar
ch
itectu
r
al
d
esig
n
an
d
th
e
d
ec
ep
tio
n
class
if
icatio
n
f
lo
w
f
o
r
th
e
two
lay
er
s
o
f
t
h
e
m
o
d
el.
E
ac
h
la
y
er
i
n
ten
d
s
to
tr
ap
an
d
d
i
v
er
t
a
n
in
te
r
n
al
o
r
ex
ter
n
al
th
r
ea
ts
,
allo
win
g
th
e
d
ef
en
s
e
tim
e
to
in
v
esti
g
ate
th
e
p
er
p
etr
ato
r
'
s
in
f
o
r
m
atio
n
an
d
d
eter
m
in
e
th
eir
in
ten
tio
n
s
,
s
tr
ateg
y
,
a
n
d
i
n
ten
d
ed
tar
g
et.
Fig
u
r
e
1
s
h
o
ws
th
e
d
iv
is
io
n
o
f
wo
r
k
f
lo
w
f
o
r
an
i
n
ten
s
iv
e
n
et
wo
r
k
d
ef
e
n
s
e
th
r
o
u
g
h
d
ec
ep
ti
o
n
.
T
h
e
c
o
r
e
lay
e
r
p
lay
s
a
m
ai
n
r
o
le
in
c
o
n
tr
o
llin
g
th
r
ea
ts
b
y
d
ir
ec
tly
im
p
ly
in
g
th
e
r
eq
u
i
r
em
en
ts
n
ee
d
e
d
b
ef
o
r
e
th
e
p
ac
k
ets
g
o
d
ee
p
i
n
to
th
e
n
etwo
r
k
.
L
a
y
er
2
was
k
n
o
wn
to
d
i
r
ec
tly
co
n
t
r
o
l
th
e
f
lo
w
in
t
h
e
in
ter
n
al
n
etwo
r
k
,
wh
ich
also
a
p
p
lies
th
e
s
am
e
co
n
ce
p
t
t
o
d
ec
ep
tio
n
s
ec
u
r
ity
.
C
o
n
tr
o
llin
g
th
e
p
ath
o
f
th
e
attac
k
er
s
b
y
p
lan
tin
g
d
ec
o
y
s
a
n
d
tr
ap
s
with
th
e
p
u
r
p
o
s
e
o
f
test
in
g
d
if
f
er
e
n
t
p
ar
am
eter
s
t
o
ch
ec
k
v
u
l
n
er
ab
ilit
ies
an
d
lu
r
in
g
th
em
to
ac
ce
s
s
d
ec
o
y
s
er
v
er
s
m
ak
es
it
m
o
r
e
p
o
wer
f
u
l
to
c
o
m
p
letely
s
h
if
t
t
h
e
r
ec
o
n
n
aiss
an
ce
as
ad
v
an
ta
g
e
.
T
h
e
p
u
b
lic
n
etwo
r
k
(
o
f
f
ic
e)
o
r
s
er
v
er
f
ar
m
is
d
esig
n
ed
to
e
f
f
icien
tly
co
llect
as m
an
y
ex
p
o
s
ed
p
ac
k
ets
as p
o
s
s
ib
le,
u
s
in
g
b
o
th
r
ea
l a
n
d
f
a
k
e
s
er
v
er
s
.
Fig
u
r
e
1
.
T
ier
d
ec
ep
tio
n
s
ec
u
r
ity
ar
ch
itectu
r
e
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
I
SS
N:
2
5
0
2
-
4
7
52
P
r
o
b
in
g
th
e
d
ep
th
s
:
a
s
s
ess
in
g
th
e
effica
cy
o
f th
e
tw
o
-
tier
d
e
ce
p
tio
n
…
(
A
n
a
z
el
P
.
Ga
milla
)
1633
2
.
2
.
P
o
licy
a
nd
pro
ce
s
s
f
lo
w
T
h
e
cr
ea
ted
p
o
licy
was
im
p
le
m
en
ted
o
n
th
e
co
r
e
lay
er
o
f
th
e
n
etwo
r
k
,
f
l
o
win
g
t
o
war
d
s
th
e
lo
wer
lev
el
with
a
m
in
im
u
m
am
o
u
n
t
o
f
d
ev
ice
r
eso
u
r
ce
s
.
T
h
e
f
alse
ad
d
r
ess
es
an
d
co
n
tr
o
lled
p
r
o
ce
s
s
f
lo
w
we
r
e
ad
d
ed
i
n
th
e
co
r
e
’
s
NAT
r
u
le
s
to
m
an
ag
e
th
e
u
n
wan
te
d
p
a
y
lo
ad
s
an
d
lu
r
e
d
th
e
attac
k
er
s
an
d
d
ir
ec
ted
th
em
in
to
tr
ap
s
an
d
d
ec
o
y
s
wh
ile
u
tili
zin
g
th
e
d
ev
ice
r
eso
u
r
ce
s
[
1
9
]
,
[
2
0
]
.
T
h
e
s
ec
o
n
d
lay
er
o
f
t
h
e
d
ec
ep
tio
n
m
o
d
el
ac
tiv
ely
en
g
a
g
es
attac
k
er
s
b
y
u
s
in
g
ad
v
an
ce
d
d
ec
o
y
s
an
d
tr
ap
s
.
T
h
ese
elem
en
ts
ar
e
d
es
ig
n
ed
to
lo
o
k
lik
e
v
u
ln
er
ab
le
p
ar
ts
o
f
th
e
n
etwo
r
k
,
d
r
awin
g
p
er
p
etr
ato
r
s
i
n
.
A
s
t
h
ey
in
te
r
ac
t
with
t
h
ese
d
ec
o
y
s
,
it
e
x
p
o
s
e
t
h
eir
m
eth
o
d
a
n
d
s
tr
ateg
ies [
2
1
]
,
[
2
2
]
.
2
.
3
.
Co
m
po
nents
ba
ck
g
r
o
un
d
T
h
e
r
esear
ch
in
clu
d
es
an
u
n
d
er
s
tan
d
in
g
o
f
th
e
b
ac
k
g
r
o
u
n
d
o
f
cr
itical
elem
en
ts
s
u
ch
as
n
etwo
r
k
ar
ch
itectu
r
e
an
d
m
an
a
g
ed
d
ec
o
y
s
an
d
tr
ap
s
.
T
h
e
n
etwo
r
k
ar
ch
itectu
r
e
s
er
v
es
as
th
e
f
o
u
n
d
atio
n
f
o
r
u
n
d
er
s
tan
d
i
n
g
th
e
s
tr
u
ctu
r
e,
p
r
o
to
co
ls
,
an
d
c
o
m
m
u
n
icatio
n
p
ath
way
s
th
at
d
ef
in
e
th
e
s
y
s
tem
's
co
n
n
ec
tiv
ity
an
d
f
u
n
ctio
n
ality
.
2
.
3
.
1
.
Net
wo
r
k
a
rc
hite
ct
ure
f
o
r
penet
ra
t
io
n t
esting
T
h
e
p
r
o
ce
d
u
r
es,
in
cl
u
d
in
g
in
f
o
r
m
atio
n
co
llectio
n
,
s
ca
n
n
in
g
,
ex
p
l
o
itatio
n
,
an
d
p
o
s
t
-
e
x
p
lo
itatio
n
ev
alu
atio
n
,
wer
e
ca
r
r
ied
o
u
t
with
th
e
u
tm
o
s
t
in
teg
r
ity
,
co
n
f
id
en
tiality
,
an
d
au
t
h
o
r
izatio
n
[
2
3
]
,
[
2
4
]
.
Af
ter
th
e
co
n
f
ir
m
atio
n
o
f
th
e
ef
f
ec
tiv
en
ess
o
f
lu
r
in
g
th
e
attac
k
er
s
i
n
t
h
e
r
ec
o
n
n
aiss
an
ce
p
h
ase,
th
is
test
was
s
u
b
jecte
d
to
attac
k
s
with
th
e
in
ten
t
to
co
m
p
r
o
m
is
e
leg
itima
te
s
er
v
er
s
to
d
ee
p
ly
ass
ess
th
e
d
ec
ep
t
io
n
s
ec
u
r
ity
m
o
d
el
th
r
o
u
g
h
th
e
u
s
ed
o
f
d
if
f
er
en
t
to
o
ls
an
d
tech
n
iq
u
es.
T
h
e
d
ia
g
r
am
as
s
h
o
wn
in
F
ig
u
r
e
2
r
e
p
r
esen
ts
a
two
-
tier
d
ec
ep
tio
n
-
d
r
iv
en
s
ec
u
r
ity
ar
ch
itectu
r
e
d
esig
n
ed
to
e
n
h
an
ce
n
etwo
r
k
d
ef
e
n
s
es
.
At
th
e
co
r
e
l
ay
er
,
f
ir
ewa
lls
an
d
r
o
u
ter
s
s
er
v
e
as
th
e
p
r
im
ar
y
d
ef
en
s
e
an
d
attac
k
p
o
in
t
f
o
r
th
e
test
,
co
n
tr
o
llin
g
tr
af
f
ic
f
lo
w
an
d
a
p
p
ly
in
g
f
ir
ewa
ll
NAT
r
u
les
to
test
p
ay
lo
ad
s
.
T
h
e
co
n
t
r
o
ller
m
an
a
g
es
d
ec
o
y
s
an
d
tr
ap
s
,
d
iv
er
tin
g
m
alicio
u
s
tr
af
f
ic
f
r
o
m
cr
itical
in
f
r
astru
ctu
r
e.
A
v
u
ln
e
r
ab
ilit
y
test
id
e
n
t
if
ies
o
p
en
p
o
r
ts
an
d
ad
d
r
ess
es,
an
d
th
e
co
r
e
lay
er
h
an
d
les
in
itial
th
r
ea
t
en
g
ag
e
m
en
t.
T
h
e
s
ec
o
n
d
lay
er
d
is
t
r
ib
u
tes
tr
ap
s
ac
r
o
s
s
VL
ANs,
ca
p
tu
r
in
g
d
etailed
attac
k
er
b
e
h
av
io
r
.
T
h
e
n
etwo
r
k
in
clu
d
es
a
DM
Z
zo
n
e
f
o
r
is
o
latin
g
ex
p
o
s
ed
s
er
v
ices,
a
d
d
in
g
a
n
a
d
d
itio
n
a
l
lay
er
o
f
p
r
o
tectio
n
.
Fig
u
r
e
2
.
T
est b
e
d
n
etwo
r
k
d
ia
g
r
am
2
.
3
.
2
.
Appl
ied
deco
y
s
a
nd
t
r
a
ps
I
n
lay
er
1
,
p
ass
iv
e
d
ec
ep
tio
n
is
im
p
lem
en
ted
b
y
th
e
co
r
e
lay
er
th
r
o
u
g
h
th
e
u
s
e
o
f
NAT
r
u
les.
T
h
ese
r
u
les
g
en
er
ate
a
d
ec
o
y
b
y
c
h
ai
n
in
g
d
s
tn
at
an
d
ad
d
in
g
a
d
esti
n
atio
n
a
d
d
r
ess
.
T
h
e
ac
tio
n
is
t
h
en
s
et
to
lo
g
.
T
h
e
F
ig
u
r
e
3
s
h
o
ws
th
e
s
am
p
le
s
etu
p
o
f
d
ec
o
y
s
th
at
wer
e
s
ca
tter
ed
th
r
o
u
g
h
o
u
t
th
e
n
etwo
r
k
to
f
u
lly
test
th
e
ef
f
ec
tiv
en
ess
o
f
th
e
tr
ap
s
.
Dif
f
er
en
t
s
er
v
ices
wer
e
u
s
ed
in
th
e
p
en
etr
atio
n
test
,
wh
ich
was
p
er
f
o
r
m
ed
r
ep
ea
ted
ly
an
d
im
p
lem
en
te
d
in
v
ar
io
u
s
p
e
r
im
eter
s
,
s
u
b
n
ets,
an
d
v
lan
s
[
2
5
]
,
[
2
6
]
.
T
h
is
was
d
iv
id
ed
b
ased
o
n
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
2
-
4
7
52
In
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
,
Vo
l.
3
6
,
No
.
3
,
Dec
em
b
er
20
24
:
1
6
31
-
1
6
39
1634
th
e
d
ec
ep
tio
n
n
etwo
r
k
co
n
tr
o
l
ler
(
DNC
)
tab
le
m
ap
to
u
tili
z
ed
an
d
m
an
ag
e
th
e
d
is
tr
ib
u
tio
n
an
d
ef
f
ec
tiv
e
n
ess
o
f
th
e
d
ec
o
y
s
an
d
tr
ap
s
.
T
h
is
tab
le
h
elp
s
in
m
ap
p
in
g
th
e
d
iv
i
s
io
n
o
f
wo
r
k
a
n
d
d
is
tr
ib
u
tin
g
th
e
lo
ad
ef
f
ec
tiv
el
y
with
o
u
t b
u
r
d
en
in
g
th
e
r
eso
u
r
c
es a
t e
ac
h
lay
er
an
d
en
h
a
n
ce
s
th
e
o
v
er
all
s
ec
u
r
ity
p
o
s
tu
r
e
[
2
7
]
.
Fig
u
r
e
3
.
Sam
p
le
lis
t o
f
d
ec
o
y
s
an
d
tr
ap
s
3.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
T
h
is
s
tu
d
y
lo
o
k
s
at
h
o
w
a
two
-
tier
d
ec
ep
tio
n
-
d
r
iv
e
n
s
ec
u
r
ity
m
o
d
el
ca
n
m
ak
e
n
etw
o
r
k
s
m
o
r
e
r
esil
ien
t
ag
ain
s
t
cy
b
er
th
r
ea
ts
.
W
h
ile
p
ast
r
esear
ch
h
as
ex
a
m
in
ed
in
d
iv
id
u
al
tech
n
iq
u
es
l
ik
e
h
o
n
ey
p
o
ts
an
d
d
ec
o
y
s
,
it
h
asn
'
t
f
o
cu
s
ed
o
n
h
o
w
a
m
u
lti
-
lay
er
ed
a
p
p
r
o
ac
h
i
m
p
ac
ts
o
v
er
all
n
etwo
r
k
s
ec
u
r
ity
.
Mu
ltip
le
p
en
etr
atio
n
test
s
wer
e
co
n
d
u
cted
to
ev
alu
ate
th
e
ef
f
icac
y
o
f
th
e
two
-
tier
d
ec
e
p
tio
n
-
d
r
iv
en
s
ec
u
r
ity
m
o
d
el.
T
h
is
p
r
im
ar
ily
f
o
c
u
s
ed
o
n
tes
tin
g
wh
eth
er
th
e
im
p
lem
en
ted
two
-
tier
d
ec
ep
tio
n
-
d
r
iv
e
n
s
ec
u
r
ity
m
o
d
el
c
o
u
ld
su
cc
ess
f
u
lly
b
lo
ck
attac
k
s
th
r
o
u
g
h
d
ec
ep
tio
n
a
n
d
u
tili
ze
d
v
ar
io
u
s
tech
n
iq
u
es
an
d
to
o
ls
,
s
tar
tin
g
f
r
o
m
th
e
co
r
e
lay
er
o
f
th
e
n
etwo
r
k
an
d
ex
ten
d
in
g
to
th
e
lo
wer
lev
els
[
2
8
]
,
[
2
9
]
.
E
ac
h
lay
er
was
s
u
b
jecte
d
to
a
s
er
ies
o
f
te
s
ts
to
d
eter
m
in
e
its
ef
f
ec
tiv
e
n
ess
in
d
elay
in
g
an
d
lu
r
in
g
p
er
p
etr
a
to
r
s
to
f
ak
e
s
er
v
e
r
s
an
d
h
o
n
e
y
p
o
ts
.
F
i
g
u
r
e
4
i
l
l
u
s
t
r
a
t
es
t
h
e
d
e
e
p
i
n
te
g
r
a
t
i
o
n
o
f
t
h
e
d
e
c
e
p
t
i
o
n
m
o
d
e
l
w
i
t
h
i
n
t
h
e
n
e
tw
o
r
k
i
n
f
r
a
s
t
r
u
ctu
r
e
.
E
a
c
h
l
a
y
e
r
p
l
a
y
s
a
c
r
u
c
i
a
l
r
o
l
e
i
n
d
e
f
e
n
d
i
n
g
t
h
e
n
e
t
w
o
r
k
b
y
d
i
v
e
r
t
i
n
g
a
n
d
b
l
o
c
k
i
n
g
a
t
t
a
c
k
s
,
as
w
e
l
l
as
p
r
o
v
i
d
i
n
g
v
a
l
u
a
b
l
e
i
n
f
o
r
m
a
t
i
o
n
t
o
a
d
j
u
s
t
s
t
r
at
e
g
i
es
a
n
d
o
b
s
e
r
v
e
a
t
t
a
c
k
e
r
a
c
t
i
o
n
s
.
T
h
is
h
e
l
p
s
m
e
as
u
r
e
t
h
e
e
f
f
i
ca
c
y
a
n
d
u
n
d
e
r
s
t
a
n
d
h
o
w
t
h
e
a
p
p
l
i
e
d
m
o
d
e
l
w
o
r
k
s
.
T
h
e
i
n
t
e
n
d
e
d
e
x
t
e
r
n
a
l
a
n
d
i
n
t
e
r
n
a
l
p
e
n
e
t
r
a
t
i
o
n
a
t
t
a
c
k
s
w
e
r
e
b
o
t
h
p
e
r
f
o
r
m
e
d
i
n
t
h
e
l
a
y
e
r
1
a
n
d
2
a
t
t
a
c
k
p
o
i
n
ts
.
Fig
u
r
e
4
.
Dec
ep
tio
n
-
d
r
iv
en
s
e
cu
r
ity
m
o
d
el
v
is
u
al
g
r
a
p
h
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
I
SS
N:
2
5
0
2
-
4
7
52
P
r
o
b
in
g
th
e
d
ep
th
s
:
a
s
s
ess
in
g
th
e
effica
cy
o
f th
e
tw
o
-
tier
d
e
ce
p
tio
n
…
(
A
n
a
z
el
P
.
Ga
milla
)
1635
3
.
1
.
L
a
y
er
1
a
t
t
a
c
k
po
int
t
es
t
re
s
ult
T
h
e
test
s
wer
e
co
n
d
u
cted
f
ir
s
t
in
th
e
l
ay
er
1
d
ef
en
s
es
as
s
h
o
wn
in
th
e
test
b
ed
n
etwo
r
k
d
iag
r
am
ab
o
v
e
,
f
o
cu
s
in
g
o
n
th
e
c
o
r
e
lay
er
'
s
ab
ilit
y
to
d
etec
t,
d
iv
er
t,
an
d
ca
p
tu
r
e
u
n
au
t
h
o
r
ized
a
cc
ess
attem
p
ts
b
y
r
ed
ir
ec
tin
g
t
h
em
f
r
o
m
leg
itim
ate
s
er
v
er
s
to
d
ec
o
y
s
.
L
ay
e
r
1
d
ef
en
s
e
r
esid
es
o
n
th
e
b
o
r
d
e
r
o
f
th
e
n
etwo
r
k
wi
th
a
co
r
e
d
ev
ice
th
at
ap
p
lies
th
e
p
o
licy
an
d
r
u
les
th
at
wer
e
m
en
tio
n
ed
ab
o
v
e.
T
h
e
in
ten
d
ed
p
er
p
etr
ato
r
u
s
ed
n
etwo
r
k
m
ap
p
e
r
an
d
s
ec
u
r
ity
au
d
itin
g
t
o
o
ls
to
d
is
co
v
er
an
d
p
lo
t
n
etwo
r
k
h
o
s
ts
,
s
er
v
ices,
a
n
d
th
eir
ass
o
ciate
d
attr
ib
u
tes,
p
ass
in
g
th
em
o
n
to
t
h
e
co
r
e
r
o
u
ter
’
s
im
p
lem
en
ted
r
u
les.
As
s
h
o
wn
in
Fig
u
r
e
5
,
t
h
e
s
ize
o
f
th
e
p
a
y
lo
ad
s
in
th
e
r
ed
ci
r
cle
in
d
icate
s
th
at
th
e
ex
p
lo
ita
tio
n
attac
k
p
ass
es
th
r
o
u
g
h
th
e
f
ir
s
t
p
o
licy
,
tr
i
g
g
er
in
g
t
h
e
ch
ain
cr
iter
io
n
an
d
p
r
ev
e
n
tin
g
th
e
p
ac
k
et
r
eq
u
est
f
r
o
m
r
ea
ch
in
g
a
leg
itima
te
s
er
v
er
.
I
n
s
tead
,
it
is
s
en
t
d
ir
ec
tly
t
o
th
e
d
ec
o
y
s
,
s
u
cc
ess
f
u
lly
d
iv
er
ti
n
g
atten
ti
o
n
awa
y
f
r
o
m
th
e
r
ea
l
s
er
v
er
.
T
h
e
tar
g
et
s
er
v
er
s
wer
e
u
n
ab
le
to
b
e
in
f
iltra
ted
,
as
ev
id
en
ce
d
b
y
th
e
a
b
s
en
ce
o
f
an
y
d
etec
ted
p
ay
lo
ad
s
ize
as
s
h
o
wn
in
th
e
b
lack
cir
cle
in
th
e
f
ir
s
t
p
o
licy
,
lab
eled
"Real
Ser
v
er
".
Fu
r
th
er
m
o
r
e,
Fig
u
r
e
6
s
h
o
ws
th
e
p
er
p
etr
ato
r
s
'
ex
er
tio
n
s
to
in
f
iltra
te
th
e
f
ab
r
icate
d
s
er
v
er
s
in
t
h
e
ce
n
tr
al
lay
er
.
T
h
e
r
esu
lts
o
b
ta
in
in
th
e
lay
er
1
p
ass
iv
e
d
ec
ep
tio
n
e
f
f
ec
tiv
ely
o
b
tain
s
in
f
o
r
m
ati
o
n
f
r
o
m
th
e
attac
k
er
s
u
s
in
g
m
in
i
m
al
r
eso
u
r
ce
s
.
Fig
u
r
e
5
.
Pen
etr
atio
n
r
esu
lts
in
th
e
lay
er
1
co
r
e
p
ac
k
et
f
lo
w
Fig
u
r
e
6
.
C
o
r
e
d
ev
ice
lo
g
d
eta
ils
o
f
th
e
attac
k
s
3
.
2
.
L
a
y
er
2
a
t
t
a
c
k
po
int
t
es
t
re
s
ult
T
h
e
test
s
f
o
r
l
ay
er
2
attac
k
p
o
in
t
f
o
cu
s
ed
o
n
ev
alu
atin
g
h
o
w
well
ac
tiv
e
d
ec
ep
tio
n
tech
n
iq
u
es,
s
u
ch
as
s
tr
ateg
ically
p
lace
d
f
ak
e
s
er
v
er
s
an
d
h
o
n
ey
tr
a
p
s
,
co
u
ld
ca
p
tu
r
e
d
etailed
in
f
o
r
m
ati
o
n
a
b
o
u
t
attac
k
er
b
eh
av
io
r
an
d
attem
p
ts
to
ac
ce
s
s
b
ait
s
er
v
er
s
in
th
e
lo
wer
p
ar
t
o
f
th
e
n
etwo
r
k
.
T
h
e
lay
er
2
ac
tiv
e
d
ec
e
p
tio
n
attac
k
s
wer
e
s
p
ec
if
ically
tar
g
eted
at
s
tr
ateg
ically
p
o
s
itio
n
ed
f
ak
e
s
er
v
er
s
an
d
h
o
n
ey
tr
a
p
s
.
T
h
e
r
esu
lts
s
h
o
w
th
at
it
s
u
cc
ess
f
u
lly
r
ec
o
r
d
s
th
e
s
o
u
r
ce
an
d
d
esti
n
atio
n
a
d
d
r
ess
es
tr
y
in
g
to
ac
ce
s
s
th
e
b
ait
s
er
v
er
,
as
s
h
o
wn
in
Fig
u
r
e
7
.
Pre
em
p
tiv
e
attac
k
s
e
f
f
ec
tiv
ely
ca
p
tu
r
ed
th
e
n
etwo
r
k
'
s
MA
C
ad
d
r
ess
es
an
d
I
P
ad
d
r
ess
es,
alo
n
g
wit
h
th
e
p
r
o
to
c
o
l
an
d
p
o
r
t
n
u
m
b
er
s
,
ac
co
r
d
in
g
to
t
h
e
ca
p
tu
r
e
d
d
ata.
T
h
e
attem
p
ted
attac
k
s
u
s
ed
SS
H
a
n
d
r
em
o
te
s
er
v
ices
to
ch
ec
k
if
th
e
tar
g
et
I
P
ad
d
r
ess
was
ac
ce
s
s
ib
le.
T
h
is
in
d
icate
s
th
at
th
e
s
ec
o
n
d
lay
e
r
m
o
d
el
s
u
cc
ess
f
u
lly
lu
r
ed
an
d
ca
p
tu
r
e
d
th
e
attem
p
ted
attac
k
s
.
An
o
th
er
test
r
esu
lt
s
h
o
wn
in
Fig
u
r
e
8
,
r
e
v
ea
ls
th
at
th
e
atta
ck
er
s
wer
e
a
b
le
to
s
u
cc
ess
f
u
l
ly
tr
av
el
to
th
e
h
o
s
t,
o
r
I
P
ad
d
r
ess
,
o
f
t
h
e
d
ec
ep
tio
n
co
n
tr
o
ller
,
waitin
g
f
o
r
an
o
p
p
o
r
t
u
n
ity
t
o
lu
r
e
t
h
em
f
ar
en
o
u
g
h
to
r
ea
ch
tr
ap
s
an
d
d
ec
o
y
s
s
o
th
e
y
m
ay
co
llect
in
f
o
r
m
atio
n
f
o
r
an
ex
am
in
atio
n
o
f
a
m
itig
atio
n
p
lan
.
T
h
is
co
v
er
s
th
e
s
p
ec
if
ic
r
ec
o
n
n
aiss
an
ce
attac
k
ty
p
e
an
d
th
e
p
r
ec
is
e
m
ec
h
an
is
m
em
p
lo
y
e
d
b
y
th
e
attac
k
er
s
to
b
r
ea
c
h
th
e
d
ec
o
y
s
er
v
e
r
.
Fig
u
r
e
7
.
Ser
v
e
r
f
ar
m
ca
p
tu
r
e
d
attac
k
p
ac
k
ets
Fig
u
r
e
8
.
Of
f
ice
in
ter
n
al
p
en
et
r
atio
n
test
r
esu
lts
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
2
-
4
7
52
In
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
,
Vo
l.
3
6
,
No
.
3
,
Dec
em
b
er
20
24
:
1
6
31
-
1
6
39
1636
I
n
t
h
e
last
p
h
ase
o
f
test
in
g
,
Fig
u
r
e
9
s
h
o
ws
th
at
it
s
u
cc
es
s
f
u
lly
ca
p
tu
r
es
d
etails
f
r
o
m
t
h
e
in
ter
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al
attac
k
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n
th
e
d
ec
o
y
s
s
et
b
y
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e
co
n
tr
o
ller
.
I
n
Fig
u
r
e
10
illu
s
tr
ates
h
o
w
p
en
etr
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n
test
in
g
allo
ws
attac
k
er
s
to
ac
ce
s
s
a
d
ec
o
y
s
er
v
er
an
d
o
b
s
er
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e
its
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tio
n
s
a
n
d
b
eh
av
i
o
r
.
T
h
e
attac
k
er
s
p
r
o
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ed
s
ev
er
al
d
ir
ec
to
r
ies
a
n
d
attem
p
ted
to
er
ase
d
ata
f
r
o
m
th
e
s
er
v
er
u
s
in
g
co
m
m
o
n
au
t
h
en
ticatio
n
m
eth
o
d
s
.
T
h
e
r
esu
lts
o
f
th
e
m
u
ltip
l
e
test
s
ab
o
v
e
d
em
o
n
s
tr
ate
th
e
c
o
n
s
is
ten
t
s
u
cc
ess
o
f
th
e
two
-
t
ier
d
ec
ep
tio
n
s
ec
u
r
ity
m
o
d
el,
wh
ich
p
r
o
tects
th
e
n
etwo
r
k
f
r
o
m
th
e
co
r
e
lay
er
.
T
h
is
m
o
d
el
s
er
v
es
as
a
d
ef
en
s
e
m
o
d
e
wh
en
attac
k
p
ay
lo
a
d
s
en
ter
th
e
n
etwo
r
k
.
T
h
e
f
in
d
in
g
s
in
d
icate
th
at
th
e
attac
k
er
s
in
itially
p
en
et
r
ated
th
e
f
ak
e
s
er
v
e
r
s
o
r
d
ec
o
y
s
,
d
em
o
n
s
tr
atin
g
th
e
ef
f
ec
tiv
en
ess
o
f
th
e
p
ac
k
e
t f
ilt
er
in
g
r
u
les in
lu
r
in
g
th
em
in
.
T
h
e
r
esear
ch
f
in
d
i
n
g
s
ab
o
v
e
d
em
o
n
s
tr
ate
th
e
e
f
f
ec
tiv
en
ess
o
f
th
e
two
-
tier
d
ec
ep
tio
n
s
ec
u
r
i
ty
m
o
d
el
in
d
ef
e
n
d
in
g
ag
ain
s
t
m
alicio
u
s
n
etwo
r
k
ac
ce
s
s
.
T
h
e
r
esu
lts
r
ev
ea
l
th
e
p
er
p
etr
at
o
r
s
'
attem
p
ts
to
ex
p
l
o
it
n
etwo
r
k
e
x
p
lo
r
at
io
n
an
d
s
ec
u
r
ity
au
d
itin
g
t
o
o
ls
.
Ho
wev
er
,
t
h
e
ap
p
lied
r
u
les
s
u
cc
ess
f
u
lly
d
iv
er
t
u
n
au
th
o
r
ized
p
ay
lo
ad
s
awa
y
f
r
o
m
v
ital
ass
ets.
B
y
s
u
m
m
ar
izin
g
th
e
in
f
o
r
m
atio
n
o
f
s
o
u
r
ce
an
d
d
es
tin
atio
n
ad
d
r
ess
es,
in
clu
d
in
g
MA
C
ad
d
r
ess
es,
I
P
ad
d
r
ess
es,
p
r
o
to
co
l,
an
d
p
o
r
t
n
u
m
b
er
s
d
u
r
in
g
p
r
ee
m
p
tiv
e
attac
k
s
,
th
e
m
o
d
el
ef
f
ec
tiv
ely
ca
p
tu
r
es
attem
p
t
ed
in
tr
u
s
io
n
s
.
T
h
is
illu
s
tr
ate
s
th
e
m
o
d
el'
s
ab
ilit
y
to
ca
p
tu
r
e
d
etails
f
r
o
m
p
r
ee
m
p
tiv
e
attac
k
s
an
d
s
h
o
wc
ases
h
o
w
attac
k
er
s
wer
e
lu
r
ed
to
d
ec
o
y
s
er
v
er
s
.
Fig
u
r
e
9
.
W
ir
esh
ar
k
ca
p
tu
r
ed
attac
k
p
ac
k
ets
Fig
u
r
e
10
.
C
ap
tu
r
ed
d
etailed
a
ttack
s
f
r
o
m
th
e
c
o
n
tr
o
ller
3
.
3
.
CVSS im
pa
ct
a
s
s
ess
m
e
nt
o
f
pree
m
ptiv
e
a
t
t
a
c
k
s
T
h
e
co
m
m
o
n
v
u
ln
er
ab
ilit
y
s
c
o
r
in
g
s
y
s
tem
(
C
VSS)
is
an
o
p
en
f
r
am
ewo
r
k
t
o
ch
ec
k
th
e
s
ev
er
ity
o
f
co
m
m
o
n
v
u
ln
er
ab
ilit
ies,
wh
i
ch
wa
s
d
i
v
id
ed
in
to
f
o
u
r
m
etr
ic
g
r
o
u
p
s
:
b
ase,
th
r
ea
t,
e
n
v
ir
o
n
m
en
tal,
a
n
d
s
u
p
p
lem
en
tar
y
,
wh
ich
all
c
o
n
t
r
ib
u
te
to
a
d
d
itio
n
al
i
n
s
ig
h
t
in
t
o
th
e
ch
a
r
ac
ter
is
tics
o
f
a
v
u
ln
er
ab
ilit
y
[
3
0
]
-
[3
3
]
.
C
VSS
p
r
o
v
id
es
a
s
tan
d
ar
d
ized
an
d
q
u
an
tifia
b
le
m
eth
o
d
f
o
r
e
v
alu
atin
g
th
e
s
ev
er
ity
o
f
v
u
ln
e
r
ab
ilit
ies,
wh
ich
is
ev
id
en
t
in
th
e
r
esu
lts
o
f
o
u
r
two
-
tier
d
ec
ep
tio
n
-
d
r
i
v
en
s
ec
u
r
ity
m
o
d
el.
T
h
e
v
ec
to
r
s
tr
in
g
as
s
h
o
wn
i
n
Fig
u
r
e
1
1
was
d
er
iv
ed
b
ased
o
n
th
e
in
p
u
ts
f
r
o
m
th
e
C
VSS
wh
ich
s
er
v
e
as
a
m
etr
ic
v
al
u
e
to
d
eter
m
in
e
its
s
co
r
es.
Fig
u
r
e
1
1
.
C
VSS v
3
.
1
v
ec
to
r
T
h
e
b
ase,
tem
p
o
r
al
an
d
e
n
v
ir
o
n
m
en
tal
m
etr
ics
as
s
h
o
wn
in
Fig
u
r
e
s
1
2
,1
3
,
a
n
d
1
4
,
r
ein
f
o
r
ce
th
e
im
p
o
r
tan
ce
o
f
m
ain
tain
in
g
ale
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tn
ess
in
n
etwo
r
k
p
r
o
tectio
n
.
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h
e
tem
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o
r
al
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r
e,
wh
ich
c
o
n
s
id
er
s
f
ac
to
r
s
s
u
ch
as
ex
p
lo
it
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atu
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ity
an
d
r
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ed
iatio
n
lev
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an
d
th
e
en
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ir
o
n
m
en
tal
s
co
r
e,
wh
ich
ev
alu
ates
th
e
s
p
ec
if
ic
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n
tex
t
an
d
im
p
ac
t
with
in
th
e
o
r
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i
za
tio
n
'
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en
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ir
o
n
m
en
t,
b
o
th
u
n
d
er
lin
e
th
e
d
y
n
am
ic
n
at
u
r
e
o
f
th
r
ea
t
lan
d
s
ca
p
es.
T
h
ese
s
co
r
es
s
er
v
e
as
a
f
o
r
ewa
r
n
in
g
to
alwa
y
s
b
e
aler
t
wh
en
it
co
m
es
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p
r
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tectin
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th
e
n
etwo
r
k
f
r
o
m
attac
k
er
s
,
em
p
h
asizin
g
th
e
n
ee
d
f
o
r
c
o
n
tin
u
o
u
s
m
o
n
ito
r
i
n
g
a
n
d
a
d
ap
tiv
e
d
ef
e
n
s
e
s
tr
ateg
ies
to
m
itig
ate
ev
o
lv
in
g
th
r
ea
ts
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
I
SS
N:
2
5
0
2
-
4
7
52
P
r
o
b
in
g
th
e
d
ep
th
s
:
a
s
s
ess
in
g
th
e
effica
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o
f th
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tier
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…
(
A
n
a
z
el
P
.
Ga
milla
)
1637
Fig
u
r
e
1
2
.
B
ased
s
co
r
e
m
etr
ic
s
Fig
u
r
e
1
3
.
T
em
p
o
r
al
s
co
r
e
m
e
tr
ics
Fig
u
r
e
1
4
.
E
n
v
ir
o
n
m
e
n
tal
s
co
r
e
m
etr
ics
T
h
e
ev
al
u
atio
n
o
f
th
e
e
x
ec
u
ted
p
en
et
r
atio
n
attac
k
s
in
Fig
u
r
e
1
5
r
ev
ea
ls
a
b
ase
r
atin
g
o
f
6
.
4
,
in
d
icatin
g
a
m
ed
i
u
m
c
r
itical
lev
el.
T
h
is
in
d
icate
s
th
at
e
v
en
d
u
r
in
g
th
e
n
etwo
r
k
'
s
r
ec
o
n
n
ai
s
s
an
ce
p
h
ase,
th
er
e
is
a
s
ig
n
if
ican
t
in
f
lu
en
ce
o
n
th
e
s
ev
er
ity
o
f
v
u
l
n
er
ab
i
liti
es
w
ith
in
th
e
f
ac
ilit
ies.
T
h
e
tem
p
o
r
al
an
d
en
v
ir
o
n
m
en
tal
v
a
r
iab
les
also
g
ath
er
ed
alm
o
s
t
th
e
s
am
e
s
ev
er
ity
wh
en
co
n
s
tan
t
c
h
an
g
es
i
n
th
e
e
n
v
ir
o
n
m
en
t
an
d
th
r
ea
t
f
ac
to
r
s
wer
e
co
n
s
id
er
ed
.
T
h
e
o
v
er
all
s
u
m
m
ar
y
o
f
th
e
C
VSS
in
a
c
o
n
tr
o
lled
e
n
v
i
r
o
n
m
en
t
r
ea
c
h
ed
a
s
ev
er
ity
s
co
r
e
o
f
6
.
4
,
wh
ich
s
h
o
ws
th
at
it
is
im
p
o
r
tan
t
to
u
n
d
er
s
tan
d
an
d
co
n
tin
u
o
u
s
l
y
m
ain
tain
d
e
f
en
s
e
ag
ain
s
t
attac
k
s
,
n
o
t
o
n
ly
f
o
c
u
s
in
g
o
n
f
ilter
in
g
an
d
b
lo
c
k
in
g
attac
k
s
b
u
t
also
id
e
n
tify
i
n
g
,
ass
ess
in
g
,
an
d
m
itig
atin
g
r
is
k
s
b
y
k
n
o
win
g
wh
at
we
ar
e
d
ea
lin
g
with
b
ef
o
r
e
a
f
u
ll
-
s
ca
le
attac
k
o
cc
u
r
s
.
Fig
u
r
e
1
5
.
Su
m
m
ar
y
o
f
ass
ess
m
en
t v
u
ln
e
r
ab
ilit
ies
B
ased
o
n
th
e
test
r
esu
lts
ab
o
v
e,
we
f
o
u
n
d
th
at
im
p
lem
e
n
tin
g
th
e
m
o
d
el
im
p
r
o
v
es
n
etwo
r
k
r
esil
ien
ce
ag
ain
s
t
cy
b
er
th
r
ea
ts
.
T
h
e
d
ata
s
h
o
ws
th
at
th
is
ap
p
r
o
ac
h
ef
f
ec
tiv
ely
d
iv
e
r
ts
an
d
co
n
f
u
s
es
attac
k
er
s
,
as
ev
id
en
ce
d
b
y
th
e
in
cr
ea
s
ed
in
ter
ac
tio
n
with
d
ec
o
y
s
er
v
e
r
s
in
s
tead
o
f
r
ea
l
s
er
v
er
s
.
Deta
ils
an
d
m
eth
o
d
s
u
s
ed
b
y
attac
k
er
s
wer
e
ca
p
tu
r
ed
m
u
ch
m
o
r
e
ef
f
ec
tiv
el
y
with
th
e
p
r
o
p
o
s
ed
m
eth
o
d
,
s
h
o
win
g
t
h
at
th
e
m
o
d
el
ca
n
g
ath
er
u
s
ef
u
l i
n
f
o
r
m
atio
n
wh
il
e
p
r
o
tectin
g
t
h
e
n
etwo
r
k
'
s
r
eso
u
r
ce
s
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
2
-
4
7
52
In
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
,
Vo
l.
3
6
,
No
.
3
,
Dec
em
b
er
20
24
:
1
6
31
-
1
6
39
1638
Ou
r
r
esear
ch
d
em
o
n
s
tr
ated
i
ts
ab
ilit
y
to
p
r
o
tect
cr
itical
n
etwo
r
k
r
eso
u
r
ce
s
an
d
g
ath
e
r
v
alu
ab
le
in
tellig
en
ce
o
n
attac
k
er
m
eth
o
d
s
.
T
h
e
ap
p
r
o
ac
h
n
o
t
o
n
ly
im
p
r
o
v
es
t
h
e
n
etwo
r
k
'
s
r
esil
ien
ce
ag
ain
s
t
c
y
b
er
th
r
ea
ts
b
u
t a
ls
o
p
r
o
v
id
es a
r
o
b
u
s
t f
o
u
n
d
atio
n
f
o
r
f
u
r
th
e
r
r
esear
ch
an
d
p
r
ac
tical
ap
p
licatio
n
s
in
d
iv
er
s
e
n
etwo
r
k
en
v
ir
o
n
m
en
ts
.
Fo
r
ad
d
itio
n
al
r
esu
lts
,
f
u
r
th
er
s
tu
d
ies
co
u
ld
ex
am
in
e
its
p
er
f
o
r
m
a
n
ce
in
m
o
r
e
co
m
p
le
x
an
d
d
y
n
am
ic
r
ea
l
-
wo
r
ld
n
etwo
r
k
en
v
ir
o
n
m
en
ts
.
E
x
p
an
d
in
g
th
e
s
co
p
e
to
in
clu
d
e
em
er
g
in
g
an
d
less
co
m
m
o
n
th
r
ea
ts
co
u
ld
p
r
o
v
id
e
a
m
o
r
e
c
o
m
p
lete
u
n
d
er
s
tan
d
in
g
o
f
t
h
e
m
o
d
el'
s
ca
p
ab
ilit
ies an
d
r
eso
u
r
ce
f
u
ln
ess
.
4.
CO
NCLU
SI
O
N
T
h
e
two
-
tier
d
ec
ep
tio
n
-
d
r
i
v
en
s
ec
u
r
ity
m
o
d
el
h
as
p
r
o
v
en
e
f
f
ec
tiv
e
in
en
h
a
n
cin
g
n
etwo
r
k
s
ec
u
r
ity
an
d
m
itig
atin
g
a
d
v
an
ce
d
c
y
b
e
r
th
r
ea
ts
b
y
in
teg
r
atin
g
p
ass
iv
e
d
ec
ep
tio
n
in
th
e
f
ir
s
t
lay
e
r
to
d
iv
e
r
t
attac
k
er
s
an
d
ac
tiv
e
d
ec
ep
tio
n
in
th
e
s
ec
o
n
d
lay
er
t
o
en
g
ag
e
d
an
g
er
s
an
d
p
r
o
v
i
d
e
d
e
f
en
d
e
r
s
with
cr
u
cial
r
esp
o
n
s
e
tim
e.
T
h
e
test
s
d
em
o
n
s
tr
ate
th
e
m
o
d
el'
s
d
ee
p
in
teg
r
atio
n
in
to
th
e
n
etwo
r
k
in
f
r
astru
ct
u
r
e,
with
th
e
f
ir
s
t
lay
er
s
u
cc
ess
f
u
lly
b
lo
ck
in
g
an
d
d
i
v
er
tin
g
attac
k
s
wh
ile
th
e
s
ec
o
n
d
lay
er
ca
p
t
u
r
es
d
etailed
in
f
o
r
m
atio
n
to
r
ef
in
e
d
ef
en
s
iv
e
s
tr
ateg
ies.
T
h
ese
f
i
n
d
in
g
s
in
d
icate
th
at
d
i
v
er
tin
g
u
n
au
th
o
r
ized
p
ay
lo
ad
s
t
o
d
ec
o
y
s
er
v
er
s
n
o
t
o
n
l
y
ca
p
tu
r
es
attac
k
er
d
etails
b
u
t
also
allo
ws
f
o
r
ad
a
p
tiv
e
d
ef
e
n
s
e
s
tr
ateg
ies,
cr
ea
tin
g
a
r
esil
ien
t
an
d
a
d
ap
tiv
e
s
ec
u
r
ity
en
v
ir
o
n
m
en
t.
I
m
p
lem
en
tin
g
t
h
is
m
o
d
el
ca
n
s
ig
n
if
ic
an
tly
im
p
r
o
v
e
an
o
r
g
an
izatio
n
'
s
d
ef
en
s
e
p
o
s
tu
r
e
ag
ain
s
t
cy
b
er
th
r
ea
ts
,
o
f
f
er
in
g
v
alu
ab
le
in
tellig
en
ce
o
n
attac
k
er
b
eh
av
io
r
to
co
n
tin
u
o
u
s
ly
en
h
an
ce
s
ec
u
r
it
y
m
ea
s
u
r
es.
Ad
o
p
tin
g
th
e
s
ec
u
r
i
ty
m
o
d
el
is
a
p
r
ac
tical
an
d
ef
f
ec
tiv
e
s
o
lu
tio
n
f
o
r
p
r
o
ac
tiv
e
th
r
ea
t
m
an
ag
em
e
n
t,
en
ab
lin
g
o
r
g
an
izatio
n
s
to
b
ett
er
p
r
o
tect
d
ig
ital
ass
ets
an
d
e
n
s
u
r
e
a
m
o
r
e
s
ec
u
r
e
cy
b
er
e
n
v
ir
o
n
m
e
n
t
f
o
r
th
e
co
m
m
u
n
ity
.
ACK
NO
WL
E
DG
M
E
N
T
S
T
h
e
au
th
o
r
s
ex
p
r
ess
th
eir
g
r
atitu
d
e
to
th
e
C
en
tr
al
L
u
zo
n
State
Un
iv
er
s
ity
I
n
f
o
r
m
atio
n
Sy
s
tem
s
I
n
s
titu
te
f
o
r
g
r
a
n
tin
g
u
s
p
e
r
m
is
s
io
n
to
u
tili
ze
its
f
ac
ilit
ie
s
an
d
n
etwo
r
k
eq
u
i
p
m
en
t
f
o
r
th
e
e
x
ec
u
tio
n
an
d
ev
alu
atio
n
o
f
o
u
r
test
s
as p
ar
t
o
f
th
e
Dec
ep
tio
n
-
Dr
iv
en
Secu
r
ity
r
esear
ch
p
r
o
ject.
RE
F
E
R
E
NC
E
S
[
1
]
F
.
B
a
b
u
,
K
.
S
e
b
a
s
t
i
a
n
,
a
n
d
K
.
S
e
b
a
st
i
a
n
,
“
A
r
e
v
i
e
w
o
n
c
y
b
e
r
se
c
u
r
i
t
y
t
h
r
e
a
t
s
a
n
d
st
a
t
i
st
i
c
a
l
mo
d
e
l
s
,
”
I
O
P
C
o
n
f
e
r
e
n
c
e
S
e
ri
e
s
:
Ma
t
e
r
i
a
l
s
S
c
i
e
n
c
e
a
n
d
E
n
g
i
n
e
e
ri
n
g
,
v
o
l
.
3
9
6
,
p
.
0
1
2
0
2
9
,
2
0
1
8
.
d
o
i
:
1
0
.
1
0
8
8
/
1
7
5
7
-
8
9
9
x
/
3
9
6
/
1
/
0
1
2
0
2
9
[
2
]
D
.
P
.
M
ö
l
l
e
r
,
“
C
y
b
e
r
sec
u
r
i
t
y
i
n
d
i
g
i
t
a
l
t
r
a
n
sf
o
r
m
a
t
i
o
n
,
”
Ad
v
a
n
c
e
s
i
n
I
n
f
o
rm
a
t
i
o
n
S
e
c
u
ri
t
y
,
p
p
.
1
–
7
0
,
2
0
2
3
.
d
o
i
:
1
0
.
1
0
0
7
/
9
7
8
-
3
-
0
3
1
-
2
6
8
4
5
-
8
_
1
.
[
3
]
R
.
S
.
D
a
l
a
l
e
t
a
l
.
,
“
O
r
g
a
n
i
z
a
t
i
o
n
a
l
s
c
i
e
n
c
e
a
n
d
c
y
b
e
r
se
c
u
r
i
t
y
:
a
b
u
n
d
a
n
t
o
p
p
o
r
t
u
n
i
t
i
e
s
f
o
r
r
e
s
e
a
r
c
h
a
t
t
h
e
i
n
t
e
r
f
a
c
e
,
”
J
o
u
r
n
a
l
o
f
Bu
si
n
e
ss
a
n
d
Psy
c
h
o
l
o
g
y
,
v
o
l
.
3
7
,
n
o
.
1
,
p
p
.
1
–
2
9
,
2
0
2
1
.
d
o
i
:
1
0
.
1
0
0
7
/
s
1
0
8
6
9
-
0
2
1
-
0
9
7
3
2
-
9
.
[
4
]
D
.
A
sh
e
n
d
e
n
,
R
.
B
l
a
c
k
,
I
.
R
e
i
d
,
a
n
d
S
.
H
e
n
d
e
r
so
n
,
“
D
e
s
i
g
n
t
h
i
n
k
i
n
g
f
o
r
c
y
b
e
r
d
e
c
e
p
t
i
o
n
,
”
Pro
c
e
e
d
i
n
g
s
o
f
t
h
e
A
n
n
u
a
l
H
a
w
a
i
i
I
n
t
e
r
n
a
t
i
o
n
a
l
C
o
n
f
e
r
e
n
c
e
o
n
S
y
s
t
e
m
S
c
i
e
n
c
e
s
,
2
0
2
1
,
d
o
i
:
1
0
.
2
4
2
5
1
/
h
i
c
ss
.
2
0
2
1
.
2
4
0
.
[
5
]
V
.
E.
U
r
i
a
s,
W
.
M
.
S
.
S
t
o
u
t
,
J.
L
u
c
-
W
a
t
s
o
n
,
C
.
G
r
i
m
,
L.
Li
e
b
r
o
c
k
a
n
d
M
.
M
e
r
z
a
,
"
Te
c
h
n
o
l
o
g
i
e
s t
o
e
n
a
b
l
e
c
y
b
e
r
d
e
c
e
p
t
i
o
n
,
"
2
0
1
7
I
n
t
e
r
n
a
t
i
o
n
a
l
C
a
r
n
a
h
a
n
C
o
n
f
e
re
n
c
e
o
n
S
e
c
u
ri
t
y
T
e
c
h
n
o
l
o
g
y
(
I
C
C
S
T
)
,
M
a
d
r
i
d
,
S
p
a
i
n
,
2
0
1
7
,
p
p
.
1
-
6
,
d
o
i
:
1
0
.
1
1
0
9
/
C
C
S
T.
2
0
1
7
.
8
1
6
7
7
9
3
.
[
6
]
F
.
J.
S
t
e
c
h
,
K
.
E.
H
e
c
k
m
a
n
,
a
n
d
B
.
E
.
S
t
r
o
m,
"
I
n
t
e
g
r
a
t
i
n
g
c
y
b
e
r
-
D
&D
i
n
t
o
a
d
v
e
r
sar
y
m
o
d
e
l
i
n
g
f
o
r
a
c
t
i
v
e
c
y
b
e
r
d
e
f
e
n
se
,
"
C
y
b
e
r
D
e
c
e
p
t
i
o
n
:
B
u
i
l
d
i
n
g
t
h
e
S
c
i
e
n
t
i
f
i
c
F
o
u
n
d
a
t
i
o
n
,
2
0
1
6
,
d
o
i
:
1
0
.
1
0
0
7
/
9
7
8
-
3
-
3
1
9
-
3
2
6
9
9
-
3
_
1
.
[
7
]
S
.
F
r
e
y
,
"
H
o
w
t
o
e
l
i
m
i
n
a
t
e
t
h
e
p
r
e
v
a
i
l
i
n
g
i
g
n
o
r
a
n
c
e
a
n
d
c
o
m
p
l
a
c
e
n
c
y
a
r
o
u
n
d
c
y
b
e
r
sec
u
r
i
t
y
,
"
i
n
C
y
b
e
rse
c
u
r
i
t
y
Be
s
t
Pr
a
c
t
i
c
e
s
,
M
.
B
a
r
t
sc
h
a
n
d
S
.
F
r
e
y
,
E
d
s.
W
i
e
sb
a
d
e
n
,
G
e
r
ma
n
y
:
S
p
r
i
n
g
e
r
V
i
e
w
e
g
,
p
p
.
1
-
1
0
,
2
0
1
8
.
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o
i
:
1
0
.
1
0
0
7
/
9
7
8
-
3
-
65
8
-
2
1
6
5
5
-
9_1
.
[
8
]
M
.
S
a
e
e
d
J
a
w
a
d
a
n
d
M
.
H
l
a
y
e
l
,
“
I
n
t
e
l
l
i
g
e
n
t
c
y
b
e
r
s
e
c
u
r
i
t
y
t
h
r
e
a
t
ma
n
a
g
e
men
t
i
n
m
o
d
e
r
n
i
n
f
o
r
ma
t
i
o
n
t
e
c
h
n
o
l
o
g
i
e
s
s
y
st
e
ms
,”
L
i
g
h
t
w
e
i
g
h
t
C
r
y
p
t
o
g
r
a
p
h
i
c
T
e
c
h
n
i
q
u
e
s a
n
d
C
y
b
e
rse
c
u
r
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t
y
A
p
p
ro
a
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e
s
,
2
0
2
2
.
d
o
i
:
1
0
.
5
7
7
2
/
i
n
t
e
c
h
o
p
e
n
.
1
0
5
4
7
8
[
9
]
J.
C
.
A
c
o
s
t
a
,
A
.
B
a
s
a
k
,
C
.
K
i
e
k
i
n
t
v
e
l
d
,
N
.
L
e
sl
i
e
a
n
d
C
.
K
a
m
h
o
u
a
,
"
C
y
b
e
r
se
c
u
r
i
t
y
d
e
c
e
p
t
i
o
n
e
x
p
e
r
i
m
e
n
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2
9
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3
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[
3
3
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p
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B
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In
f
o
rm
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h
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fr
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m
Tarla
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tate
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rsity
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ILCDB)
train
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IEE
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ACM
ICCBN,
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ICNCT,
IJEECS
,
IRCITE
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