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c
i
a
t
e
d
w
i
t
h
B
i
g
D
a
t
a
.
V
a
l
i
d
i
t
y
Emp
h
a
s
i
z
e
s t
h
e
i
m
p
o
r
t
a
n
c
e
o
f
e
n
s
u
r
i
n
g
d
a
t
a
i
s
v
a
l
i
d
a
n
d
c
o
n
f
o
r
ms
t
o
t
h
e
r
u
l
e
s a
n
d
c
o
n
st
r
a
i
n
t
s
o
f
i
t
s
i
n
t
e
n
d
e
d
u
se.
V
o
l
a
t
i
l
i
t
y
A
d
d
r
e
ss
e
s
t
h
e
t
e
m
p
o
r
a
r
y
n
a
t
u
r
e
o
f
c
e
r
t
a
i
n
d
a
t
a
.
B
ig
d
ata
m
o
d
els,
in
te
g
r
al
to
d
ata
-
d
r
iv
en
d
ec
is
io
n
-
m
ak
in
g
,
f
ac
e
d
iv
er
s
e
t
h
r
ea
ts
s
ee
k
in
g
to
co
m
p
r
o
m
is
e
th
eir
ac
cu
r
ac
y
an
d
in
teg
r
ity
[
7
]
.
Ad
v
er
s
ar
ial
attac
k
s
in
v
o
lv
e
m
a
n
ip
u
lat
in
g
in
p
u
t
d
ata
to
m
is
lead
m
o
d
els
[
8
]
,
wh
ile
d
ata
p
o
is
o
n
in
g
i
n
jects
m
is
lead
in
g
in
f
o
r
m
atio
n
d
u
r
in
g
th
e
tr
ai
n
in
g
p
h
ase
[
9
]
.
Mo
d
el
in
v
er
s
io
n
attac
k
s
tar
g
ets
d
ed
u
cin
g
s
en
s
itiv
e
d
etails
ab
o
u
t
tr
ain
in
g
d
ata
f
r
o
m
o
u
tp
u
ts
o
f
th
e
m
o
d
el
[1
0
]
,
an
d
ev
asio
n
attac
k
s
d
ec
eiv
e
m
o
d
els
with
o
u
t
alter
in
g
th
eir
u
n
d
er
ly
i
n
g
s
tr
u
ctu
r
e
[1
1
]
.
Oth
er
r
is
k
s
in
clu
d
e
m
em
b
er
s
h
ip
i
n
f
er
en
ce
attac
k
s
,
m
o
d
el
s
tealin
g
attem
p
ts
,
b
a
ck
d
o
o
r
in
s
er
tio
n
,
an
d
Sy
b
il
at
tack
s
cr
ea
tin
g
f
a
k
e
i
d
e
n
t
i
t
ie
s
t
o
i
n
t
r
o
d
u
c
e
b
i
as
e
d
d
a
t
a
.
A
d
d
i
ti
o
n
a
l
l
y
,
c
o
n
c
e
p
t
d
r
i
f
t
a
t
t
a
c
k
s
e
x
p
l
o
i
t
c
h
a
n
g
e
s
i
n
d
ata
d
i
s
t
r
i
b
u
t
i
o
n
[
12
]
,
an
d
s
u
p
p
ly
c
h
ain
attac
k
s
tar
g
et
v
ar
io
u
s
s
tag
es
o
f
m
o
d
el
d
ev
elo
p
m
e
n
t
o
r
d
ep
lo
y
m
en
t
[1
3
]
.
Saf
e
g
u
ar
d
in
g
ag
ain
s
t
th
ese
th
r
ea
ts
,
it
is
im
p
o
r
tan
t
to
b
e
d
o
cu
m
e
n
ted
a
b
o
u
t
th
eir
tactics,
b
e
i
n
f
o
r
m
ed
o
n
r
o
b
u
s
t
s
ec
u
r
ity
m
ea
s
u
r
es,
o
n
g
o
i
n
g
test
in
g
,
a
n
d
co
llab
o
r
atio
n
b
etwe
en
d
ata
s
cien
tis
t
s
an
d
cy
b
er
s
ec
u
r
ity
ex
p
er
ts
to
ad
d
r
ess
em
er
g
in
g
r
is
k
s
an
d
m
ain
tain
th
e
r
esil
ien
ce
o
f
b
i
g
d
ata
m
o
d
e
ls
[1
4
]
.
Desp
ite
th
e
p
r
o
g
r
ess
m
a
d
e,
s
ev
er
al
ch
allen
g
es
r
em
ai
n
u
n
r
es
o
lv
ed
.
T
h
e
in
cr
ea
s
in
g
s
o
p
h
is
ti
ca
tio
n
o
f
attac
k
tactics,
s
u
ch
as
ad
v
er
s
a
r
ial,
p
o
is
o
n
in
g
,
a
n
d
in
v
er
s
io
n
attac
k
s
,
co
n
tin
u
es
t
o
o
u
tp
ac
e
t
h
e
d
ev
el
o
p
m
e
n
t
o
f
ef
f
ec
tiv
e
c
o
u
n
ter
m
ea
s
u
r
es.
E
x
is
tin
g
s
ec
u
r
ity
f
r
am
ewo
r
k
s
o
f
t
en
f
ail
to
a
d
d
r
ess
th
e
f
u
ll
s
p
ec
tr
u
m
o
f
t
h
r
ea
ts
th
at
tar
g
et
b
ig
d
ata
en
v
ir
o
n
m
en
ts
,
p
ar
ticu
lar
ly
wh
en
co
n
s
id
er
in
g
th
e
d
y
n
am
ic
n
atu
r
e
o
f
th
es
e
s
y
s
tem
s
an
d
th
e
co
n
tin
u
o
u
s
ev
o
l
u
tio
n
o
f
attac
k
m
eth
o
d
s
.
Mo
r
eo
v
e
r
,
th
e
i
n
teg
r
atio
n
o
f
AI
i
n
to
s
ec
u
r
it
y
s
tr
ateg
ies,
wh
ile
p
r
o
m
is
in
g
,
is
s
till
in
its
in
f
an
cy
an
d
r
eq
u
ir
es
f
u
r
th
er
r
esear
ch
to
o
p
tim
ize
its
ef
f
ec
tiv
en
e
s
s
in
d
etec
tin
g
an
d
m
itig
atin
g
th
ese
th
r
ea
ts
.
Ad
d
itio
n
ally
,
th
e
r
e
g
u
lato
r
y
an
d
eth
ical
im
p
licatio
n
s
o
f
th
ese
em
er
g
in
g
th
r
ea
ts
,
p
ar
ticu
lar
ly
in
r
elatio
n
to
g
lo
b
al
d
ata
p
r
o
tectio
n
s
tan
d
ar
d
s
,
r
e
m
ain
u
n
d
er
ex
p
l
o
r
ed
.
Un
lik
e
p
r
e
v
io
u
s
s
tu
d
ies
th
at
f
o
cu
s
o
n
in
d
iv
id
u
al
attac
k
ta
ctics
o
r
is
o
lated
p
r
iv
ac
y
m
ea
s
u
r
es,
th
is
r
ev
iew
p
ap
e
r
p
r
o
v
id
es
a
h
o
li
s
tic
ap
p
r
o
ac
h
b
y
co
m
b
in
in
g
AI
'
s
ca
p
ab
ilit
ies
wi
th
cy
b
er
s
ec
u
r
ity
p
r
ac
tices
to
m
itig
ate
ad
v
an
ce
d
th
r
ea
ts
.
T
h
e
o
b
jectiv
e
is
to
h
elp
u
n
d
e
r
s
tan
d
attac
k
s
tactics,
ex
p
o
s
e
s
o
m
e
p
r
iv
ac
y
an
d
s
af
ety
m
ea
s
u
r
es
to
o
v
er
co
m
e
t
h
ese
th
r
ea
ts
,
h
ig
h
lig
h
tin
g
th
e
u
s
e
o
f
ar
tif
icial
in
tellig
en
ce
to
s
av
e
tim
e
an
d
p
r
o
ce
s
s
in
g
ef
f
o
r
ts
,
a
n
d
u
n
d
e
r
s
co
r
es
th
e
i
m
p
o
r
tan
ce
o
f
ad
h
er
in
g
to
r
eg
u
latio
n
s
,
p
r
o
v
id
in
g
a
s
h
o
r
t
c
o
m
p
ar
is
o
n
o
r
ca
s
e
s
tu
d
y
to
k
n
o
w
th
e
u
s
e
ca
s
es
o
f
ea
ch
.
Fin
ally
en
d
u
p
with
p
r
o
v
id
in
g
s
o
m
e
tec
h
n
ical
to
o
ls
th
at
ca
n
b
e
a
d
o
p
te
d
in
th
is
co
n
tex
t o
f
r
esear
ch
f
o
r
em
p
ir
ic
s
tu
d
ies.
T
o
em
p
h
asize
o
u
r
v
is
io
n
,
th
e
r
est
o
f
th
e
p
a
p
er
is
o
r
g
an
i
ze
d
f
o
llo
win
g
I
MRaD
s
ty
le:
s
ec
tio
n
1
in
tr
o
d
u
ce
s
th
e
t
o
p
ic,
is
s
u
es,
s
o
lu
tio
n
s
an
d
p
ap
er
co
n
tr
i
b
u
ti
o
n
.
Sectio
n
2
p
r
esen
ts
r
e
v
iew
m
eth
o
d
.
Sectio
n
3
pr
o
v
id
es
r
esu
lts
o
f
m
ai
n
f
in
d
in
g
s
,
d
is
cu
s
s
io
n
s
ad
d
r
ess
in
g
r
esear
ch
q
u
esti
o
n
s
m
en
tio
n
e
d
in
s
ec
tio
n
2
an
d
a
cr
itical
d
is
cu
s
s
io
n
o
n
p
r
ev
io
u
s
s
ec
tio
n
s
m
ain
id
ea
s
wh
ile
p
r
o
jectin
g
o
n
m
o
b
ile
s
ec
u
r
ity
.
T
o
f
in
ally
co
n
clu
d
e
in
s
ec
tio
n
4
with
m
ain
p
o
in
ts
a
n
d
f
u
t
u
r
e
in
s
ig
h
ts
.
2.
RE
VI
E
W
M
E
T
H
O
D
T
h
is
s
y
s
tem
atic
r
ev
iew
f
o
llo
ws th
r
ee
m
ain
p
h
ases
: p
lan
n
in
g
,
co
n
d
u
ctin
g
,
a
n
d
r
e
p
o
r
tin
g
[1
5
]
.
2
.
1
.
Rev
iew
p
la
nn
ing
I
n
o
r
d
er
to
a
d
d
r
ess
th
e
is
s
u
e
o
f
d
ata
p
r
i
v
ac
y
an
d
s
af
ety
b
ase
d
o
n
attac
k
s
tactics
an
d
u
s
ed
m
o
d
els,
o
u
r
p
r
elim
in
ar
y
r
esear
ch
q
u
esti
o
n
s
(
R
Q)
ar
e
as f
o
llo
ws:
R
Q
1
: Wh
at
ar
e
th
e
m
ain
ty
p
e
s
o
f
attac
k
s
an
d
h
o
w
ca
n
we
p
r
eser
v
e
th
e
p
r
iv
ac
y
a
n
d
s
af
ety
o
f
d
ata?
R
Q
2
: H
o
w
ca
n
we
m
er
g
e
a
r
tific
ial
in
tellig
en
ce
with
b
ig
d
at
a
s
ec
u
r
ity
?
R
Q
3
:
T
o
w
h
at
ex
te
n
d
g
o
o
d
p
r
ac
tices
ar
e
im
p
o
r
tan
t
f
o
r
p
r
eser
v
in
g
d
ata
s
ec
u
r
ity
an
d
p
r
iv
ac
y
in
B
ig
Data
s
y
s
tem
s
?
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
2
-
4
7
52
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
,
Vo
l.
37
,
No
.
2
,
Feb
r
u
a
r
y
20
25
:
1
2
3
4
-
1
2
5
0
1236
R
Q
4
: A
r
e
ex
is
tin
g
f
r
am
ewo
r
k
s
en
o
u
g
h
to
en
s
u
r
e
d
ata
p
r
i
v
ac
y
an
d
s
af
ety
?
Fo
r
th
is
p
u
r
p
o
s
e,
we
h
av
e
c
o
n
d
u
cted
t
h
e
r
esear
c
h
in
d
if
f
er
e
n
t
e
-
r
eso
u
r
ce
s
;
W
eb
of
Scien
c
e,
Sco
p
u
s
,
I
E
E
E
Xp
lo
r
e
Dig
ital
L
ib
r
ar
y
,
Sp
r
in
g
er
L
in
k
,
Scien
ce
Dir
ec
t,
Sp
r
in
g
er
,
W
iley
I
n
ter
Scien
c
e,
Go
o
g
le
Sch
o
lar
,
AC
M
Dig
ital L
ib
r
ar
y
,
I
J
E
E
C
S
,
f
o
r
p
ap
er
r
elev
an
ce
.
B
ased
o
n
r
esear
ch
q
u
esti
o
n
s
an
d
p
a
p
er
k
e
y
wo
r
d
s
,
we
h
av
e
u
s
ed
th
e
f
o
llo
win
g
s
tr
in
g
s
to
lo
ca
lize
o
u
r
r
ev
iew
p
o
s
itio
n
f
r
o
m
th
e
r
eso
u
r
ce
s
:
Attack
s
AND
p
r
iv
ac
y
m
o
d
els
AND
s
af
ety
m
o
d
els,
attac
k
s
AND
tactics
AND
s
af
ety
AND
m
o
d
els
A
ND
p
r
iv
ac
y
AND
m
o
d
els,
a
t
tack
s
AND
s
af
ety
AND
p
r
iv
ac
y
,
attac
k
s
tactics,
p
r
iv
ac
y
m
o
d
els,
s
ec
u
r
ity
m
o
d
els,
a
ttack
s
tactics,
s
af
ety
,
an
d
p
r
iv
ac
y
m
o
d
els,
a
ttack
s
tacti
cs,
p
r
iv
ac
y
m
o
d
els,
s
af
ety
m
o
d
els,
a
ttack
s
tactics,
s
af
ety
an
d
p
r
iv
ac
y
m
o
d
els.
I
n
clu
s
io
n
cr
iter
ia
in
clu
d
e
p
ap
e
r
in
ter
est,
clea
r
s
tated
o
b
jectiv
es,
m
atch
in
g
th
e
co
n
te
x
t
o
f
s
tu
d
ies,
d
ate
o
f
p
u
b
licatio
n
,
r
elev
an
ce
,
q
u
al
ity
,
citatio
n
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ated
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atch
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ter
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.
2
.
2
.
Rev
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c
o
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uct
Usi
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k
ey
wo
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elate
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atter
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atch
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as f
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Fig
u
r
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u
r
e
1
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R
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ct
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ch
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Sp
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f
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ig
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ates
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u
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c
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m
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m
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to
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5
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E
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t
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4
9
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7
5
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3
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E
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i
s
h
,
so
r
t
e
d
b
y
r
e
l
e
v
a
n
c
e
3
0
2
3.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
T
h
is
s
tu
d
y
in
v
esti
g
ates
th
e
ef
f
ec
ts
o
f
th
e
u
s
ag
e
o
f
ar
tific
ial
in
tellig
en
ce
f
o
r
p
r
eser
v
in
g
p
r
iv
ac
y
an
d
s
af
ety
,
h
ig
h
lig
h
tin
g
d
if
f
er
en
t
ty
p
es
o
f
attac
k
tactics
an
d
p
r
o
v
id
in
g
s
o
m
e
r
ec
o
m
m
en
d
atio
n
s
,
em
p
h
asizin
g
o
n
r
eg
u
lato
r
y
im
p
o
r
tan
ce
.
W
h
ile
ea
r
lier
s
tu
d
ies
h
a
v
e
e
x
p
lo
r
e
d
t
h
ese
m
atter
s
s
ep
ar
ately
,
th
ey
h
av
e
n
o
t
e
x
p
licitly
ad
d
r
ess
ed
th
ese
is
s
u
es
in
a
h
o
lis
tic
m
an
n
er
,
p
r
o
v
id
in
g
a
m
ac
r
o
v
is
io
n
f
o
r
f
u
r
th
er
r
esear
ch
.
T
h
is
s
ec
tio
n
ex
p
lo
r
es
h
o
w
th
e
f
in
d
i
n
g
s
o
f
t
h
is
s
tu
d
y
ca
n
co
n
t
r
ib
u
te
to
f
u
t
u
r
e
r
esear
ch
e
n
d
ea
v
o
r
s
.
I
t
also
id
en
tifie
s
s
p
ec
if
ic
ar
ea
s
wh
er
e
f
u
r
t
h
er
in
v
esti
g
atio
n
ca
n
b
e
p
u
r
s
u
ed
b
y
r
esear
ch
er
s
,
ad
d
r
ess
in
g
r
esear
ch
q
u
esti
o
n
s
.
3
.
1
.
M
a
in t
y
pes
o
f
a
t
t
a
ck
s
,
p
riv
a
cy
a
nd
s
a
f
et
y
m
e
a
s
ures
C
y
b
er
attac
k
s
ca
n
em
p
lo
y
v
a
r
io
u
s
tactics
an
d
tech
n
iq
u
es
to
co
m
p
r
o
m
is
e
s
y
s
tem
s
,
s
tea
l
d
ata,
o
r
d
is
r
u
p
t o
p
e
r
atio
n
s
.
W
e
cite
b
ello
w
s
o
m
e
co
m
m
o
n
tactics th
at
attac
k
er
s
u
s
e:
3
.
1
.
1
.
So
cia
l
eng
ineering
t
a
ct
ics
So
cial
en
g
in
ee
r
in
g
attac
k
s
m
an
ip
u
late
h
u
m
an
p
s
y
c
h
o
lo
g
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to
o
b
tain
s
en
s
itiv
e
in
f
o
r
m
at
io
n
,
u
s
in
g
tech
n
iq
u
es
lik
e
p
h
is
h
in
g
,
p
r
etex
tin
g
,
an
d
a
d
v
an
ce
d
p
er
s
i
s
ten
t
th
r
ea
ts
(
APT)
[1
6
]
.
Stu
d
ies
id
en
tify
k
e
y
p
s
y
ch
o
lo
g
ical
tr
i
g
g
er
s
in
Vis
h
in
g
attac
k
s
,
s
u
ch
as
au
th
o
r
ity
,
d
is
tr
ac
tio
n
,
a
n
d
d
ec
ep
tio
n
[1
7
]
.
T
h
ese
attac
k
s
f
o
llo
w
a
life
cy
cle,
f
r
o
m
in
v
esti
g
atio
n
to
ex
ec
u
tio
n
,
a
n
d
o
f
t
en
leav
e
litt
le
tr
ac
e
(
So
cial
E
n
g
in
ee
r
in
g
Attack
s
:
T
h
e
4
Stag
e
L
if
ec
y
cle
&
C
o
m
m
o
n
T
ec
h
n
iq
u
es,
Sp
lu
n
k
)
.
Awa
r
en
ess
ca
m
p
aig
n
s
an
d
u
n
d
er
s
tan
d
in
g
attac
k
er
b
eh
av
io
r
ar
e
c
o
m
m
o
n
m
eth
o
d
s
to
m
itig
ate
attac
k
s
[1
8
]
–
[2
0
]
.
Ho
wev
er
,
th
ese
s
tr
ateg
ies
r
ely
o
n
u
s
er
s
'
ab
ilit
y
to
r
ec
o
g
n
ize
th
r
ea
ts
,
wh
ich
ca
n
b
e
in
c
o
n
s
is
ten
t,
esp
ec
ially
in
h
ig
h
-
s
tr
ess
s
itu
atio
n
s
.
A
u
t
o
m
a
t
e
d
m
a
c
h
i
n
e
l
e
a
r
n
i
n
g
(
M
L
)
m
e
t
h
o
d
s
l
i
k
e
L
D
A
[2
1
]
,
C
N
N
[2
2
]
,
a
n
d
d
e
e
p
l
e
a
r
n
i
n
g
c
l
a
s
s
i
f
i
e
r
s
[2
3
]
o
f
f
er
s
ca
lab
ilit
y
an
d
ea
r
lier
d
etec
tio
n
,
y
et
d
ep
en
d
o
n
h
i
g
h
-
q
u
ality
tr
ain
in
g
d
ata
an
d
s
tr
u
g
g
le
with
th
e
in
ter
p
r
etab
ilit
y
o
f
co
m
p
lex
m
o
d
els.
B
lack
lis
tin
g
k
n
o
wn
UR
L
s
[2
4
]
an
d
h
eu
r
is
tic
class
if
ier
s
[2
5
]
p
r
o
v
id
e
q
u
ick
d
etec
tio
n
f
o
r
estab
lis
h
ed
th
r
ea
ts
b
u
t la
ck
f
le
x
ib
ilit
y
ag
a
in
s
t n
ew
attac
k
v
ec
to
r
s
.
B
o
th
b
lack
lis
ts
an
d
h
eu
r
is
tics
ar
e
r
ea
ctiv
e,
f
ailin
g
to
ad
ap
t
to
ev
o
lv
i
n
g
tactics
u
s
ed
b
y
attac
k
er
s
.
A
h
y
b
r
i
d
ap
p
r
o
ac
h
in
teg
r
atin
g
u
s
er
ed
u
ca
tio
n
with
ML
s
y
s
tem
s
co
u
ld
o
f
f
er
a
co
m
p
r
eh
en
s
iv
e
d
ef
en
s
e
.
Ma
ch
in
e
lear
n
in
g
m
o
d
els,
en
h
an
ce
d
with
ex
p
lain
ab
le
AI
(
XAI
)
tech
n
iq
u
es,
wo
u
ld
im
p
r
o
v
e
in
ter
p
r
etab
ilit
y
,
wh
ile
ad
ap
tiv
e
s
y
s
tem
s
u
s
in
g
cr
o
s
s
-
v
alid
atio
n
[2
6
]
an
d
c
o
n
tin
u
o
u
s
u
p
d
ates
[2
7
]
wo
u
l
d
en
s
u
r
e
r
esil
ien
ce
ag
ain
s
t
em
er
g
in
g
th
r
ea
ts
.
C
o
m
b
in
in
g
h
u
m
an
-
ce
n
tr
ic
a
war
e
n
ess
with
in
tellig
en
t
d
etec
tio
n
m
eth
o
d
s
is
ess
en
tial
f
o
r
a
r
o
b
u
s
t d
e
f
en
s
e
ag
ain
s
t so
cial
en
g
in
ee
r
in
g
attac
k
s
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
5
0
2
-
4
7
52
I
n
d
o
n
esian
J
E
lec
E
n
g
&
C
o
m
p
Sci
,
Vo
l.
37
,
No
.
2
,
Feb
r
u
a
r
y
20
25
:
1
2
3
4
-
1
2
5
0
1238
3
.
1
.
2
.
E
x
plo
it
ing
w
ea
k
nes
s
es
E
x
p
lo
itin
g
wea
k
n
ess
es
in
p
r
iv
ac
y
an
d
s
af
ety
ca
n
h
av
e
s
ev
er
e
an
d
f
ar
-
r
ea
ch
in
g
co
n
s
eq
u
en
ce
s
,
im
p
ac
tin
g
b
o
th
in
d
i
v
id
u
als
a
n
d
o
r
g
a
n
izatio
n
s
,
as
it
is
o
n
e
o
f
th
e
wild
ly
u
s
ed
tactics,
s
u
ch
as
ex
p
l
o
itin
g
v
u
ln
er
ab
ilit
ies;
wh
en
attac
k
er
s
lo
o
k
f
o
r
wea
k
n
ess
es in
s
o
f
tw
ar
e,
o
p
er
atin
g
s
y
s
tem
s
,
o
r
n
et
wo
r
k
co
n
f
i
g
u
r
atio
n
s
to
g
ain
u
n
a
u
th
o
r
ized
ac
ce
s
s
[2
8
]
,
p
r
iv
ileg
e
escalatio
n
,
e
x
p
lo
itin
g
ze
r
o
-
d
a
y
v
u
ln
e
r
ab
ili
ties
[
29
]
o
r
k
n
o
wn
s
ec
u
r
ity
f
laws,
I
n
s
id
er
th
r
ea
ts
,
h
az
ar
d
o
u
s
th
r
ea
ts
[3
0
]
,
tar
g
etin
g
web
s
ites
o
r
o
n
lin
e
p
latf
o
r
m
s
th
at
ar
e
f
r
eq
u
e
n
ted
b
y
th
e
tar
g
et
a
u
d
i
en
ce
to
in
f
ec
t
v
is
ito
r
s
,
o
r
u
s
i
n
g
w
ater
in
g
h
o
les
attac
k
s
with
in
g
its
f
iv
e
s
tag
es,
Sp
lu
n
k
:
Gath
er
in
g
in
tellig
en
c
e,
An
aly
zin
g
th
e
i
n
tel,
Pre
p
ar
in
g
th
e
attac
k
(
attac
k
s
ar
e
o
f
t
en
SQL
in
jectio
n
,
XSS,
z
er
o
-
d
ay
ex
p
lo
itatio
n
)
,
e
x
ec
u
tin
g
th
e
attac
k
(
m
alwa
r
e
APT)
;
T
ar
g
etin
g
v
u
ln
er
a
b
ilit
ies
in
in
ter
n
et
-
co
n
n
ec
ted
d
ev
ices to
g
ain
co
n
t
r
o
l o
r
d
is
r
u
p
t th
eir
f
u
n
ctio
n
in
g
.
Fo
r
th
is
m
atter
it
is
im
p
o
r
tan
t
to
im
p
r
o
v
e
v
u
ln
er
a
b
ilit
y
d
etec
tio
n
,
v
ia
p
r
e
d
ictio
n
[3
1
]
,
u
s
in
g
v
u
ln
er
ab
ilit
y
s
co
r
in
g
s
y
s
tem
s
u
ch
as
C
VSS
[3
2
]
,
[
3
3
]
,
m
ac
h
in
e
lear
n
in
g
b
ased
f
r
am
ewo
r
k
s
[3
4
]
,
o
r
s
en
s
itiv
e
s
y
s
tem
s
’
is
o
latio
n
[3
5
]
.
AKO
(
th
e
ad
d
itio
n
al
k
er
n
el
o
b
s
er
v
e
r
)
[3
6
]
was
o
n
e
o
f
th
e
s
o
lu
tio
n
s
u
s
ed
f
o
r
p
r
iv
ileg
e
escalatio
n
p
r
ev
en
tio
n
o
r
d
et
ec
tio
n
way
s
[3
7
]
as
[3
8
]
in
c
lo
u
d
,
e
x
p
o
s
in
g
in
s
id
er
t
h
r
ea
t
class
if
icatio
n
alg
o
r
ith
m
s
.
Var
io
u
s
m
eth
o
d
s
to
ev
ad
e
d
etec
tio
n
b
y
s
ec
u
r
ity
s
o
f
twar
e
o
r
m
o
n
ito
r
in
g
s
y
s
te
m
s
wer
e
d
ep
lo
y
ed
,
s
u
ch
as
p
o
ly
m
o
r
p
h
ic
m
alwa
r
e
o
r
r
o
o
tk
it
in
s
tallatio
n
[
39
]
.
I
n
s
id
er
th
r
ea
ts
ea
r
lier
d
etec
tio
n
[4
0
]
is
o
n
e
o
f
th
e
mo
s
t
r
ec
o
m
m
en
d
ed
p
r
e
v
en
tio
n
tech
n
iq
u
es
[4
1
]
.
Usi
n
g
d
et
ec
tio
n
m
ea
s
u
r
es
is
im
p
o
r
tan
t,
s
tatic
o
r
d
y
n
am
ic
m
e
t
h
o
d
s
f
o
r
a
n
d
r
o
i
d
a
s
a
n
e
x
am
p
l
e
,
n
e
v
e
r
t
h
e
l
es
s
t
h
e
i
r
a
c
t
u
al
l
i
m
i
t
at
i
o
n
s
i
n
t
e
r
m
s
o
f
u
n
p
r
e
d
ic
t
e
d
e
v
a
s
i
o
n
s
[4
2
]
.
3
.
1
.
3
.
Aut
hentic
a
t
io
n
a
t
t
a
ck
Au
th
en
ticatio
n
attac
k
s
ca
n
h
a
v
e
s
ig
n
if
ican
t p
r
iv
ac
y
an
d
s
ec
u
r
ity
im
p
ac
ts
,
as th
ey
tar
g
et
th
e
p
r
o
ce
s
s
es
an
d
m
ec
h
a
n
is
m
s
u
s
ed
to
ch
e
ck
u
s
er
s
’
id
en
tity
o
f
a
n
d
e
n
titi
es
ac
ce
s
s
in
g
a
s
y
s
tem
.
Fo
r
ex
am
p
le,
p
ass
wo
r
d
attac
k
s
ar
e
ab
o
u
t a
ttem
p
tin
g
t
o
cr
ac
k
o
r
g
u
ess
p
as
s
wo
r
d
s
to
g
ain
ac
ce
s
s
to
ac
co
u
n
ts
o
r
s
y
s
t
em
s
[4
3
]
.
C
o
m
m
o
n
tech
n
iq
u
es
in
clu
d
e
b
r
u
te
f
o
r
c
e
at
tack
s
[4
4
]
,
d
ictio
n
ar
y
attac
k
s
[4
5
]
,
an
d
c
r
ed
en
tial
s
tu
f
f
i
n
g
o
r
s
tealin
g
lo
g
i
n
cr
ed
en
tials
th
r
o
u
g
h
v
ar
io
u
s
m
ea
n
s
,
s
u
ch
as
k
ey
lo
g
g
er
s
,
p
h
i
s
h
in
g
,
o
r
p
ass
wo
r
d
s
p
r
ay
in
g
[4
6
]
wer
e
u
s
ed
f
o
r
th
is
p
u
r
p
o
s
e.
T
h
er
e
f
o
r
e,
to
a
v
o
id
p
ass
wo
r
d
attac
k
s
,
it
is
r
ec
o
m
m
en
d
e
d
to
u
s
e
s
o
m
e
s
o
lu
ti
o
n
s
,
s
u
ch
as
SGX
-
u
n
i
f
i
e
d
a
c
c
e
s
s
m
a
n
a
g
e
m
e
n
t
(
U
A
M
)
[4
7
]
,
a
c
c
e
s
s
m
a
n
a
g
e
m
e
n
t
i
n
I
O
T
v
i
a
t
h
e
i
m
p
l
e
m
e
n
t
a
t
i
o
n
o
f
P
i
n
W
h
e
e
l
[4
8
]
en
s
u
r
in
g
p
r
iv
ac
y
a
n
d
s
ec
u
r
ity
,
p
ass
wo
r
d
b
ased
cr
e
d
en
tial
(
PB
C
)
[
49
]
,
o
r
r
ef
lex
iv
e
m
em
o
r
y
a
u
th
en
ticato
r
[5
0
]
.
3
.
1
.
4
.
M
a
licio
us
s
o
f
t
wa
re
deplo
y
m
ent
Ma
licio
u
s
s
o
f
twar
e
d
ep
lo
y
m
e
n
t,
co
m
m
o
n
ly
r
ef
er
r
e
d
to
as
m
alwa
r
e,
ca
n
h
a
v
e
p
r
o
f
o
u
n
d
ef
f
ec
ts
o
n
p
r
iv
ac
y
a
n
d
s
af
ety
,
f
o
r
a
m
al
war
e
is
d
esig
n
ed
with
m
alici
o
u
s
in
ten
t,
as
its
im
p
ac
t
ca
n
v
ar
y
f
r
o
m
s
tealin
g
s
en
s
itiv
e
in
f
o
r
m
at
io
n
to
ca
u
s
i
n
g
s
ig
n
if
ican
t
d
is
r
u
p
tio
n
s
;
v
ir
u
s
es,
wo
r
m
s
,
tr
o
jan
s
,
o
r
r
an
s
o
m
war
e
co
m
p
r
o
m
is
e
th
e
tar
g
et
s
y
s
tem
.
On
t
h
e
o
n
e
h
an
d
,
a
m
alwa
r
e
ca
n
b
e
d
eliv
e
r
ed
th
r
o
u
g
h
e
m
ail
attac
h
m
en
ts
,
in
f
ec
ted
web
s
ites
,
o
r
co
m
p
r
o
m
is
ed
d
o
wn
lo
a
d
s
[5
1
]
,
[
5
2
]
.
T
h
er
e
f
o
r
e
,
a
d
v
er
s
a
r
ial
attac
k
s
an
d
d
ef
e
n
s
es
ar
e
u
s
e
d
f
o
r
m
alwa
r
e
d
etec
tio
n
[5
3
]
,
in
ad
d
itio
n
t
o
e
d
g
e
co
m
p
u
tin
g
an
d
DL
m
alwa
r
e
d
etec
tio
n
f
o
r
I
o
T
[5
4
]
,
an
d
f
o
r
e
n
s
ic
n
eu
r
al
n
etwo
r
k
s
f
o
r
m
alwa
r
e
l
o
ca
lizatio
n
[5
5
]
.
O
n
th
e
o
th
er
h
an
d
,
d
r
iv
e
-
b
y
d
o
wn
lo
a
d
s
ar
e
I
n
f
ec
tin
g
a
u
s
er
'
s
co
m
p
u
ter
o
r
d
e
v
ice
wh
en
th
e
y
v
is
it
a
co
m
p
r
o
m
is
ed
o
r
m
al
icio
u
s
web
s
ite,
o
f
ten
with
o
u
t
th
eir
k
n
o
wled
g
e
o
r
co
n
s
en
t
[5
6
]
.
T
witter
h
as
f
a
ce
d
th
is
ev
en
t
b
ef
o
r
e
[5
7
]
,
[
5
8
]
,
t
h
er
ef
o
r
e
d
etec
t
io
n
m
ea
s
u
r
es
wer
e
a
g
o
o
d
r
esear
ch
p
ath
to
o
p
tim
ize
it
[
59
]
.
Ho
wev
er
,
m
an
y
s
o
lu
tio
n
s
wer
e
u
s
ed
to
ad
d
r
ess
r
o
g
u
e
wir
eless
ac
ce
s
s
p
o
in
ts
,
s
u
ch
as th
e
b
lo
ck
c
h
ain
-
en
c
r
y
p
tio
n
-
b
ased
s
o
lu
tio
n
s
to
p
r
o
tect
f
o
g
f
e
d
er
atio
n
s
[6
0
]
.
3
.
1
.
5
.
Net
wo
r
k
m
a
nip
ula
t
io
n
Netwo
r
k
m
an
ip
u
latio
n
ca
n
h
av
e
s
ig
n
if
ican
t
ef
f
ec
ts
o
n
b
o
t
h
p
r
iv
a
cy
a
n
d
s
af
ety
,
as
it
in
v
o
lv
es
th
e
in
ten
tio
n
al
alter
atio
n
o
r
i
n
ter
f
er
en
ce
with
n
etwo
r
k
c
o
m
m
u
n
icatio
n
.
Fo
r
ex
am
p
le
,
o
v
er
l
o
a
d
in
g
a
tar
g
et
s
y
s
tem
o
r
n
etwo
r
k
with
ex
ce
s
s
iv
e
r
eq
u
ests
to
r
en
d
er
it
u
n
av
ailab
le
to
leg
itima
te
u
s
er
s
,
D
DOS
attac
k
s
o
n
c
lo
u
d
o
r
s
o
f
twar
e
d
ef
in
e
d
n
etwo
r
k
s
(
SDNS
)
[6
1
]
,
I
n
ter
ce
p
tin
g
an
d
ea
v
esd
r
o
p
p
i
n
g
o
n
co
m
m
u
n
ica
tio
n
s
b
etwe
en
two
p
ar
ties
,
o
f
ten
with
o
u
t
th
ei
r
k
n
o
wled
g
e,
to
s
teal
o
r
m
a
n
ip
u
lat
e
d
ata,
s
ess
io
n
h
ijack
in
g
.
T
o
l
im
it
its
ef
f
ec
t,
it
is
im
p
o
r
tan
t
to
d
ep
lo
y
d
etec
tio
n
m
ec
h
an
is
m
s
,
co
n
s
id
er
in
g
co
u
n
t
er
m
ea
s
u
r
es
an
d
in
v
esti
n
g
in
DOS
m
itig
atio
n
s
er
v
ices
[6
2
]
–
[6
4
]
.
Usi
n
g
m
u
l
tip
ath
tr
an
s
m
is
s
io
n
co
n
tr
o
l
p
r
o
to
co
l
(
MPT
C
P)
[6
5
]
,
o
r
d
ete
ctio
n
m
ea
s
u
r
es
s
u
ch
as
E
ch
o
an
aly
s
is
[6
6
]
,
ar
tific
ia
l n
eu
r
al
n
etwo
r
k
s
[6
7
]
–
[
69
]
.
3
.
1
.
6
.
Web
a
pp
lica
t
io
n
ex
plo
it
a
t
io
n
W
eb
ap
p
licatio
n
ex
p
lo
itatio
n
ca
n
h
av
e
s
ev
er
e
co
n
s
eq
u
en
ce
s
f
o
r
b
o
th
p
r
iv
ac
y
a
n
d
s
ec
u
r
ity
,
b
y
tak
in
g
ad
v
an
tag
e
o
f
v
u
ln
er
a
b
ilit
ies
in
web
ap
p
licatio
n
s
to
g
ain
u
n
au
th
o
r
ized
ac
ce
s
s
,
m
an
ip
u
late
d
a
ta,
o
r
co
m
p
r
o
m
is
e
th
e
o
v
er
all
in
teg
r
ity
o
f
th
e
s
y
s
te
m
.
Fo
r
ex
am
p
le,
ex
p
lo
iti
n
g
p
o
o
r
ly
s
an
itized
in
p
u
ts
in
web
ap
p
licatio
n
s
,
g
ain
in
g
u
n
au
t
h
o
r
ized
ac
ce
s
s
to
d
atab
ases
an
d
m
an
ip
u
late
d
ata
[7
0
]
,
in
jectin
g
m
alicio
u
s
s
cr
ip
ts
in
to
we
b
p
ag
es,
wh
ich
ar
e
th
en
e
x
ec
u
te
d
b
y
o
th
er
u
s
er
s
'
b
r
o
wser
s
,
p
o
ten
tially
lead
in
g
to
d
ata
th
ef
t
o
r
m
an
ip
u
latio
n
.
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
S
ystema
tic
r
ev
iew
fo
r
a
tta
ck
t
a
ctics,
p
r
iva
cy
,
a
n
d
s
a
fety
mo
d
els in
b
ig
d
a
ta
s
ystems
(
Ma
jd
o
u
b
i Ch
a
yma
e)
1239
I
n
o
r
d
e
r
to
d
etec
t
an
d
o
p
tim
iz
e
SQL
in
jectio
n
ef
f
ec
t,
in
a
s
m
ar
t
co
n
n
ec
ted
e
n
v
ir
o
n
m
en
t,
th
e
u
s
e
o
f
ar
tific
ial
in
tellig
en
ce
is
co
m
p
r
o
m
is
in
g
,
s
u
ch
as
au
to
m
atin
g
p
en
etr
atio
n
test
in
g
u
s
in
g
GANS
[7
1
]
o
r
d
ep
lo
y
in
g
ar
tific
ial
n
eu
r
al
n
etwo
r
k
s
f
o
r
SQL
in
jectio
n
d
etec
tio
n
,
s
u
ch
as
th
e
s
o
lu
tio
n
s
u
g
g
es
ted
in
[7
2
]
,
u
s
in
g
co
n
v
o
l
u
tio
n
al
n
eu
r
al
n
etwo
r
k
s
.
Sem
an
tic
p
ar
s
in
g
is
u
s
e
d
f
o
r
s
er
v
er
-
s
ite
[7
3
]
,
u
s
in
g
m
ac
h
in
e
lear
n
in
g
tech
n
iq
u
es
s
u
ch
as
h
y
b
r
id
le
ar
n
in
g
f
o
r
XSS
d
etec
tio
n
[7
4
]
,
as
well
as
Kn
u
th
-
Mo
r
r
is
-
Pra
tt
s
tr
in
g
m
atch
alg
o
r
ith
m
[7
5
]
fo
r
SQL
i
n
jecti
o
n
an
d
cr
o
s
s
-
s
ite
s
cr
ip
tin
g
d
et
ec
tio
n
.
3
.
1
.
7
.
Dig
it
a
l
m
edia
ex
plo
it
a
t
io
n
E
x
p
lo
itin
g
d
ig
ital
m
ed
ia
p
r
ese
n
ts
s
u
b
s
tan
tial
ch
allen
g
es
to
s
af
ety
an
d
p
r
iv
ac
y
,
en
co
m
p
ass
in
g
a
r
an
g
e
o
f
r
is
k
s
.
T
h
is
in
v
o
lv
es
u
n
au
t
h
o
r
ized
en
tr
y
in
to
p
er
s
o
n
al
in
f
o
r
m
atio
n
,
r
esu
ltin
g
in
p
r
iv
ac
y
v
io
latio
n
s
an
d
p
o
ten
tial
is
s
u
es
lik
e
id
e
n
tity
t
h
ef
t,
c
r
y
p
to
jac
k
in
g
.
T
h
e
im
p
r
o
p
er
u
s
e
o
f
d
ig
ital
m
e
d
ia
ca
n
co
n
tr
ib
u
te
to
o
n
lin
e
h
ar
ass
m
en
t
an
d
cy
b
er
b
u
lly
in
g
,
ca
u
s
in
g
em
o
tio
n
al
h
ar
m
an
d
h
a
r
m
to
o
n
e'
s
r
ep
u
tatio
n
.
Data
b
r
ea
ch
es,
s
tem
m
in
g
f
r
o
m
u
n
au
th
o
r
ized
ac
ce
s
s
an
d
ex
p
lo
itatio
n
o
f
d
i
g
ital
co
n
ten
t,
ex
p
o
s
e
in
d
iv
i
d
u
a
ls
to
f
in
an
cial
an
d
id
en
tity
r
is
k
s
.
Ad
d
itio
n
ally
,
th
e
cr
ea
tio
n
o
f
d
ec
ep
tiv
e
o
r
h
ar
m
f
u
l
co
n
te
n
t,
tak
in
g
ad
v
an
tag
e
o
f
s
ec
u
r
ity
v
u
ln
er
ab
ilit
ies,
an
d
p
h
is
h
in
g
a
ttack
s
f
u
r
th
er
jeo
p
ar
d
ize
s
af
et
y
an
d
p
r
iv
ac
y
.
Vio
latin
g
p
r
iv
a
cy
laws
m
ay
r
esu
lt
in
leg
al
r
ep
er
cu
s
s
io
n
s
,
in
clu
d
i
n
g
f
in
es.
Fu
r
th
er
m
o
r
e,
th
e
p
s
y
ch
o
lo
g
ical
im
p
ac
t
o
n
in
d
iv
i
d
u
als,
s
u
ch
as
s
tr
es
s
an
d
an
x
iety
,
em
p
h
asizes
th
e
b
r
o
ad
er
im
p
licatio
n
s
o
f
d
ig
ital
m
ed
ia
ex
p
lo
itatio
n
o
n
m
e
n
ta
l
h
ea
lth
.
Ad
d
r
ess
in
g
th
ese
ch
allen
g
es
r
eq
u
ir
es
a
co
m
p
r
eh
e
n
s
iv
e
ap
p
r
o
ac
h
,
in
c
lu
d
in
g
leg
al
m
ea
s
u
r
es,
en
h
a
n
ce
d
cy
b
e
r
s
ec
u
r
ity
,
an
d
in
cr
ea
s
ed
u
s
er
awa
r
en
es
s
to
p
r
o
m
o
te
r
esp
o
n
s
ib
le
an
d
eth
ical
u
s
e
o
f
d
ig
ital
m
e
d
ia.
So
cial
Me
d
ia
Ma
n
ip
u
latio
n
is
cr
ea
tin
g
an
d
s
p
r
e
ad
in
g
d
is
in
f
o
r
m
atio
n
o
r
p
r
o
p
ag
a
n
d
a
o
n
s
o
cial
m
ed
ia
p
l
atf
o
r
m
s
to
i
n
f
lu
en
c
e
p
u
b
lic
o
p
in
io
n
o
r
c
o
n
d
u
ct
tar
g
eted
attac
k
s
[7
6
]
.
I
t
is
im
p
o
r
tan
t
to
tak
e
s
o
m
e
p
r
e
d
ictio
n
ac
tio
n
s
as
well
as
co
u
n
ter
m
ea
s
u
r
e
c
o
n
s
id
er
atio
n
s
,
f
o
r
tr
u
th
m
an
ip
u
latio
n
[7
7
]
o
r
d
ec
is
io
n
m
a
k
in
g
[7
8
]
.
I
n
th
e
co
m
in
g
s
ec
tio
n
,
r
esu
lts
will
b
e
cla
s
s
if
ied
d
ep
en
d
in
g
o
n
attac
k
s
o
cc
u
r
r
en
ce
,
g
o
o
d
eth
ics
an
d
s
u
g
g
ested
Ar
tific
ial
I
n
tellig
en
ce
to
o
ls
to
ad
d
r
ess
it.
3
.
2
.
Art
if
ici
a
l
inte
llig
ence
us
e
f
o
r
big
da
t
a
s
ec
urit
y
a
nd
g
o
o
d pra
ct
ices f
o
r
da
t
a
s
ec
urit
y
a
nd
priv
a
cy
I
n
th
e
p
r
ev
io
u
s
s
u
b
s
ec
tio
n
,
we
h
av
e
d
is
cu
s
s
ed
ty
p
es
o
f
attac
k
s
an
d
u
s
ed
m
ea
n
s
to
p
r
eser
v
e
d
ata
p
r
iv
ac
y
an
d
s
af
ety
,
th
e
u
s
e
o
f
Ar
tific
ial
I
n
tellig
en
ce
was
u
n
d
er
s
co
r
ed
in
d
if
f
er
e
n
t
o
cc
asio
n
s
.
I
n
T
ab
le
3
,
we
will
p
r
o
v
id
e
a
co
m
p
ar
ativ
e
c
h
ar
t
o
f
d
if
f
er
e
n
t
attac
k
t
y
p
es,
o
cc
u
r
r
en
ce
an
d
u
s
e
o
f
AI
as
we
ll
as
r
ec
o
m
m
en
d
ed
g
o
o
d
p
r
ac
tices
.
T
h
e
o
cc
u
r
r
en
ce
is
co
m
p
ar
ed
t
o
“a
ll
s
ec
to
r
s
”
an
d
b
ased
o
n
E
NI
SA
2
0
2
3
r
ep
o
r
t.
Fo
r
DD
OS
Attack
s
p
er
ce
n
tag
e,
we
h
av
e
ca
lcu
late
d
th
e
a
v
er
ag
e
o
f
p
r
o
v
id
ed
s
ec
t
o
r
s
to
m
ak
e
it
an
‘
all
s
ec
to
r
s
’
r
esu
lt,
co
n
s
id
er
in
g
an
eq
u
al
im
p
o
r
tan
ce
to
p
r
o
v
i
d
ed
s
ec
to
r
s
.
9
6
%
o
f
p
h
is
h
in
g
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n
a
l
,
o
r
g
a
n
i
z
a
t
i
o
n
s
may
see
k
i
t
3
.
4
.
Str
uct
ured
a
pp
ro
a
ch
t
o
cy
bera
t
t
a
c
k
s
det
ec
t
io
n a
nd
pro
ce
s
s
ing
T
o
d
etec
t
cy
b
er
attac
k
s
an
d
t
r
y
to
p
r
o
ce
s
s
it,
it
is
im
p
o
r
tan
t
to
co
m
b
i
n
e
d
if
f
e
r
en
t
asp
ec
ts
m
en
tio
n
ed
b
ef
o
r
e
lik
e
co
n
s
id
er
in
g
d
ata
v
ar
iab
ilit
y
,
attac
k
s
p
r
o
p
e
r
ties
,
b
ig
d
ata
co
n
tex
t,
r
e
g
u
latio
n
m
e
an
s
.
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o
h
av
e
a
g
lo
b
al
im
ag
e
o
f
co
n
tex
t
v
ar
i
ab
les
b
ef
o
r
e
tr
y
i
n
g
to
s
o
lv
e
th
e
is
s
u
e.
T
h
er
ef
o
r
e,
we
s
u
g
g
est
th
e
f
o
llo
win
g
p
r
o
ce
s
s
p
r
esen
ted
in
Fig
u
r
e
3
.
I
n
th
e
f
ir
s
t
s
tag
e;
Ho
lis
tic
Data
C
o
llectio
n
an
d
E
n
r
ic
h
m
en
t
,
th
e
f
o
c
u
s
is
o
n
ag
g
r
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g
atin
g
d
ata
f
r
o
m
v
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s
s
o
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s
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d
th
en
en
r
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ch
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g
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n
o
r
m
alizin
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e
d
a
ta
f
o
r
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n
s
is
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cy
ac
r
o
s
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th
e
en
tire
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ata
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o
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r
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e
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p
f
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y
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s
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er
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y
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s
,
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ir
ewa
ll
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,
th
r
ea
t
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tellig
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s
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e
.
g
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X,
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A
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I
)
,
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s
er
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eh
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aly
tics
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n
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atter
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.
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ch
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k
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u
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h
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ile
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a
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atasets
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en
t
a
n
d
e
n
r
ich
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en
t
ar
e
f
ac
ilit
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y
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r
in
g
th
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s
tag
e,
th
e
p
r
im
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m
etr
ics
to
m
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ito
r
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e
t
h
e
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lu
m
e
o
f
d
ata
co
llected
,
th
e
tim
e
r
eq
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ir
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f
o
r
d
ata
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o
r
m
aliza
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,
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d
th
e
c
o
n
s
is
ten
cy
an
d
co
m
p
leten
ess
o
f
en
r
ich
ed
d
ata.
Fig
u
r
e
4
p
r
esen
ts
ex
am
p
les o
f
to
o
ls
to
b
e
u
s
ed
i
n
th
is
co
n
tex
t
.
T
h
e
s
ec
o
n
d
s
tag
e;
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v
an
ce
d
an
aly
tics
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d
m
ac
h
in
e
lear
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g
,
in
v
o
l
v
es
ap
p
ly
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g
ad
v
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ce
d
m
ac
h
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e
lear
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tech
n
iq
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o
r
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l
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tim
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an
o
m
aly
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etec
tio
n
an
d
attac
k
r
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o
g
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itio
n
.
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lik
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it
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lear
n
,
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en
s
o
r
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an
d
Py
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o
r
c
h
ar
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d
to
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ai
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o
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els,
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il
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L
K
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E
last
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g
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tash
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elp
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with
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ata
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aly
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d
v
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aliza
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r
s
ca
lab
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ac
h
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r
am
ewo
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lik
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ar
k
ML
lib
o
r
H2
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ai
co
m
e
in
t
o
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la
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h
e
ex
p
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en
tal
p
r
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s
s
en
tai
ls
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ain
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g
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o
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els
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s
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lab
eled
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atasets
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ch
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d
C
I
C
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D
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0
1
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to
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tify
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atter
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.
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o
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els
ar
e
test
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o
n
r
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al
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tim
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ea
m
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ata
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o
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o
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aly
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etec
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.
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tr
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alse
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n
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ativ
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ates,
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d
m
o
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el
tr
ain
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g
tim
e.
Fig
u
r
e
5
d
em
o
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s
tr
ates
ex
am
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les o
f
ML
lib
r
ar
ies f
o
r
a
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o
m
aly
d
etec
tio
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,
class
if
icatio
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d
ML
m
o
d
els f
o
r
s
ca
lab
ilit
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d
p
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r
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u
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en
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s
Fig
u
r
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5
.
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lib
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o
m
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etec
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if
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n
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with
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ata
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tectio
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latio
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ased
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s
co
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ile
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at
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cr
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ar
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izatio
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izatio
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ically
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izatio
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s
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o
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ata
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ea
s
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Fig
u
r
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6
p
r
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v
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cr
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am
p
les an
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.
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o
f
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tim
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ated
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e,
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im
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ts
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ito
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o
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ates r
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etec
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is
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ate
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m
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e
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o
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ted
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es (
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tin
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e
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ices,
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lo
ck
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g
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Ps
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.
Fig
u
r
e
7
p
r
o
v
id
es
ex
am
p
les
o
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l
-
tim
e
m
o
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ito
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i
n
g
an
d
au
to
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ate
d
r
esp
o
n
s
e
to
o
ls
.
Evaluation Warning : The document was created with Spire.PDF for Python.