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Sinh viên  
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iF- X-k3"95.//!.FC(-/ 

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u$" .+-O-i6l!k-‚"/j 4S-!k-+2"+„V$" .++"-!
!k-k#i\%V"/w$" .+/q!W$%+.) ./iS,5i
V"/w
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/qk-50T=-j+(37<(*$%+.) ./V<(*5*4
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R'-!$%R'-!kFN-1"iSRS5+0-1401+>-=N5g"/kS
<2-O-!k$%$.23451+6ikR'-!X-2(!W!k-$%$.) ./l
;T-!iL -14jR.+kS+S-R*26F-!#<-'-!-6-\-.
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 H
$%1234356/'()*7
S=-26F-!2*2<-'-!-14kS/W;T-!5g/8'-!T-6
-eC.3j‘+./+R
c. Phương pháp phòng chống:
%G-!8-!<-'-!$%.!Q25g/8C<3l0,) *+,-$%o(4++"-!
NigCR!+" -;->-k+<PR(-Z-!kSiL RS-+=N2i6ln-!
M'-!k5g!(2*2TS-1"iS2G-!V•  -6-!m4,- 8-!k
S/W;T-!5g/826F-!2*2/ 
• $IJ67=
g*kSC("08-!390<-iLR'-!-"1-08-k+"-!*$%
+.) ./01$%+.23431=-5g) *+,-Rˆ5ig-!F-t4315gm4ƒ-
0,*5*4P-‘-;"[/"2ˆ2C9-kSCv/ -!* +4}-01"$%.
kSo.5$%.V5*4P-‘-;"[/Cx-!*5r5;01i*-01"ik
3-+2h
kS>5* +401";-/*-14Cx-!*/W;T-!3-+2h/’\%

R*X-2t-!(ID"5gi\%-1"ik/q!Wi5g+ 40<-iN-5*4
VIDj5*4VID-14/q!W'-!-i6l4> X +"-!!ki*2+(V-k
#-!r!kig5*4R*jk!ko <-3n-1431+ 40<-01i*2+(
>a 8D5eD! 4f--ghK:
 
$=%!"9:-;<35:>+"
b. Nguyên l giả mạo DNS:
k-L *iSkS=-0<-iL!(59"IDit4/q,5S RŠ
 O!(59"ID\I
|+ 40<-IDi6l!W) 59-!iL k#5g/8-O-;9-!; 4-<j
5TiPV/8-O-;9-!-1431iS2t-C*+ 40<-01i*2+(n-!L -14
k-!}+x-!-N 5g5*4P-i-!<-'-!Vn-!kSQ-5g+ 40<-
ID-1"iki6l!Wi‚5gNCTSj,<(-•-!!,n-!X-=
-319"5g!k!(59"k#/8-O-;9-!ikiS!k;•3 iki6l<2-O-
Cr5T> 
n-!/q"1-<) *+,--14Cx-!*=-C605g'-!T
iF-!(-X >-jn-!X-!(59"$%.NC5T> iSi- 4N-39
36 36l-!V-k) "/i-!<-'-!V5,-j‚ikkSQ-4> X ID01
!Wi!k;•3 !(59"TiPVRC(--14313‚-!67;m-!+"-!59-!
5T> + 4O201"[.C/.ig40,[.C/.51ƒi-!8!~-!+ 4O2
$?%6/;<356/;<@;
kS/W;T-!'-!Tc.+2iS=-5'2z-!<-'-!!(59"ID
c. Phòng chống t!n công giả mạo DNS:
^2G-!V0<-'-!!(59"IDR*RkRZ-0,kP*;<  iS
-O-CNC<-'-!'-!67-!jR'-!LCNIDV5,-C!(59""
RiL iko(4+MN) (-O-i6l315g+-![.CR*"1-"1-/"0
-•-!!,5"-!il+"-!*<-'-!0ViP3-j+<kS-!67;m-!/q
R'-!LCN+x-!5,-i†C3‚-O2*'-!-) -+ƒ-!V5,-01"5g
[.C/.!(59" it4315g/826F-!2*22G-!V<-'-!!(59"ID
>a 8D5eD! 4f--ghK:

X 3>-39C>--!"1jiN-5#-kR'-!Si*2#-!!"'-!l22*2j"Qi*2
#-!) *O5+"-!iL R- -!j* g<-'-!I"i6lCv/ -!Crˆ2
5*45T> Rrig-!39"Q> TN1-! 4>-V-kiN-5#-kR'-!
 -!<2;0Tj"Q315~-!q-3>-39!•-!67/W;T-!01-9--t-
#D1# QE4
I<  V5g g<-'-!‚8;0T!U5k
• 9-!=O5R*67-!@5rJ3.4+ 4O2‘.C/.A
• M'-!S;m-!5g‘.C/.TS
• M'-!S+ 4O2C<R—‘.C/.-1"
• Z-!36l-!6+*-O-i6l
>a 8D5eD! 4f--ghK:
 &
<-'-!‚8;{-!kS;‰-0<-iL0L-*-59-!V5*4i-!C
<-'-!^P;TCZ-!'-!V+" .+!•\-.+ 01-kSC> TCr<-
'-!j315v-9R'-!5*4P-Ei-<-'-!51G-31"1-S59-!
#D11 &5O
a. Phá hoại dựa trên tính giới hạn hoặc không thể phục hồi của
tài nguyên mạng:
• '-!) RN-8MS <-'-!DJ3"";
l;T-!*#"9ig-!VRN-8%”\%jR.+C~iX ) *+,-N
3O25gRN-8%”\%5T> 5 8-<-'-!51R'-!!W+(!k-Mj
RN-"5T> 3 '-+F01"+9-!*7@il!k-M‚2P4> X N
3O2RN-8A013>-T!W!k-DMiSN3O2RN-8g*R*31!(
59"i\%-! U-V!k-4> X N3O2RN-8D01{-!-6+67-!l2
+>-j5*4P-iP{-!+F01"+9-!*70,*!k-DMR'-!Si
iN-iP;"i\%-! U-31R'-!kOMS <-'-!DJ3"";i6l*
R.+*2;T-!iS<-'-!5g8-!59-!kCZ-!'-!3-F-8-!V
R.+

$A%B<CD.//E

P--14/qR'-!SoW3ER275g36l-!3-'-!-01;‰-C+."5*4

$G%B<!D'
u<-'-!RS .+I+"2+"-!59-! 4S-59!kj;•3 i6l1-
-L !k--zj5|!k-k5g!*+"JJ/.+>-!01kS+ 4L-i."-L
"-i67-!R*- iSiP9iPj-701"!*+"JJ/.V‚-!!k-51
>a 8D5eD! 4f--ghK:
 
;•3 39i6lRNl239-6C-iX l;T-!iL -14jR.+kS9"+-L
!k-k!*+"JJ/.+m-!3Q2- !WiN-5T> 5 8-<-'-!MN) (315*4
P-iPR'-!S/~2oN2i6l-•-!!k--1401;‰-C+."5*40,C€0~
R€R(-Z-!oW3E
b. Phá hoại hoặc chỉnh sửa thông tin c!u hình:
l;T-!0< ,-N -"1--60R'-!o*='-!-+"-!0
!W”-O-C(--O2-O@ 2;.AV+" .+51R•<-'-!/q4iv+=N2
"Q‚o*'-!-) -+ƒ-!-14jRN-"-•-!-!67;m-!l22*2R'-!
S/W;T-!;0T
^P;TR.+kSot5-O201"IDiS4iv'-!-j;‰-iN-) *+,-
C>-;>-5L-@;"5-A/-!i\%VIDC/3O ) (31*4>
X V5*4+95@3 A/q5g>-5L-R*@i†C4ivA40,>-5L-
5"-!5 8-
c. Phá hoại hoặc chỉnh sửa phần cứng:
l;T-!) 4L-9-VP-C(-t-R•<-'-!i80*NC+"-!
8-!59-!iSN2O-2*"9*NC2X-#-!-6+" .+j/[˜
#D18 &@R
O ) (51I"!t4+R'-!> 8--L L-C9j01'-!/#51
G-5<+<-L 7!-iSR~2T^,0O4j†4/W;T-!*C-2*2
/ iS2G-!8-!I"
• ',-8-!X-2(i6lot4;=-!l23Ej+*-2T g3‰-- ) *
5#wrR5gCg2O-!Q2/=8/q315(-6r-!"1-Cg8-!

P-V/[310O- 4S-*J+5.32) 39!•*"33/"-;"5--14
*"33/"-;"5--14G-i6l!ƒ31*i"9-D@D/.!5 A
SkS0O- 4S-P-o*i6l!k-iN-iPj/[X-2(k5g/F
iU*-o9!•iV*NC0O3P!~-6F-!#-!0v-!-1"V-k
FiU-14i6l36 39+"-!/[01i6l!ƒ31C(-!@"- ;;+.//
.5"+4A
a *+,-0O- 4S-!k-) /[kSi6l5'(-6/ 
™DN i-! U-V!k-6k+"-!C(-!y/[/qO2-O
0v-!6F-!#-!DN i-! U-i†U-9+"-!C(-!-6-!05g
v-!R*j/[/qC*"3|•J322-!Ž01 š!k-
™DN iiPV!k-31i5 3/"QiC+";/"Q31i
 -/-6-!*-o9Vi-14R'-!U-9+"-!C(-!+6ik,
!k-/qi6l!W+<(*v-!V/[+‚v-!51-k-O-i6l!k-
™DN iiPV!k-31i -/01*-o9ViU-9+"-!
C(-!iU-!7v-!51-k-O-i6l!k-R*0v-!51!k-X-i6l
 4S-i,-k/q!W!k-iN-P-o*v-!k+"-!C(-!
™*+67-!l2G-39j!k-/qC š
>a 8D5eD! 4f--ghK:
 ?
$H%1IJ"K<L7
+"-!0P;T+>-jR"/!WC(--iN-"/wI"/[6ki
Vw+"-!C(-!V5,-->-/[/q!WC+";/+5ƒv-!G-
39iU-!7/q36 39iV01"C(-! R"/w-O-i6l
C(--‚yw!W39-"Mikj/[i†kiV->-/q!W -/
2"+iU-!7O2-OiVw01"C(-!
*"*i80C(-!V5g/[›œ
So.5-g; -!C(-!V/[j;m-!3-
UV>UEE;=>>WXA=EYEE;=>>WEE;=>>Z
=;P=@=E[Z?A?AWE\
--14/q3R><(*i51/[ƒi6lDN 5 8-

01"v-!/['-!) iVNC!~-01"
M/[-O-i6l5g!k- 4S-iN-j-k/qRS5+i-! U-
V!k-0;-/**ii†i6l< ,-+6ikDN i-14
R*- , —."/=< ,-V-!67) (-+51/[/qoW3P!k-iN-0
*5#igR*- 
*3-< ,-2"+/. +4
>a 8D5eD! 4f--ghK:
 H
™[@"-J!uJAž/[2"+5";..//
™[@"-J!uJAž/[2"+2"+u/. +4"2ˆ2v-!i6l"9ig-!+"-!
Nig2"+u/. +4
™[@"-J!uJAž/[2"+2"+u/. +45o5 503 .@ —ƒ-At 3-
"2ˆ2< ,-/8i8i51v-!kSƒ=ig-!01"2ˆ2*
NC-14+ 4L-;•3 ) Qi-,v-!"2ˆ25gi@5g
NCAi6l!*-01"01/8ikS-x5+"-!R"(-!‚iN-K
™[@"-J!uJAž/[2"+2"+u/. +45u;;+.//5d;;+.//@ —ƒ-A
C>-9-*< ,-"2ˆ2/[ƒ=ig-!iykS!*-}-5g
/8ikS+ 4O201"5g2"+DN /836l-!i!*-}-51-z
F-/8i/[kSƒ=ig-!,/8iG-39/qi6lƒ
=ig-!
™  [@"-J!uJAž  /[2"+  2"+u/. +4  0"3"-  Ÿ2+".  •  +./+  •
/ ;"[- @ —ƒ-At431*C-2*251-!67) (-+kSN-1-R
5g!k-iN-R'-!2ml204> X V2"+u/. +4@Rk-L F-/8i
8ii6lƒ"QR!k-iN-kiR*/"0*i
i†i6l< ,-}-A*C-2*2oW3PkS31
/ ;"[-v-!/qC-!‚-!"9ig-!yR'-!-O-01 4S-!k-
+./+v-!"2ˆ2*!k-kil23i) y*!k-0
295/qC šU-!7/836l-!*C(--0295/qi6l8-!R>01C*""
-!67) (-+CN
2+".{-!!8-!-6+"-!+67-!l2+./+j 4->-00295/qR'-!

F4O>@P
11# O=BM;<
$H%1QR!S*!- ,-//DUE,7
$%":V!N36;<
>a 8D5eD! 4f--ghK:
 
111 f:9
$%BP+6"QR!7
118 .
(59"ID315g,-#<-'-!\R*-! 4S5Ri6li/W;T-!
05TiPZ-~2'-!-W;T-!'-!-!-14-•-!R•<-'-!kSO-
;T-!*RŠ O!(59"iSi*-~2*'-!-) -+ƒ-!V-!67;m-!j4
1iQ53[+.+>-5gvi}CR*j"Q!t4+5g<-'-!‚8;0T
`]]h+*$*bi
>a 8D5eD! 4f--ghK:
:  !"#
›œ D! 4f-<-M'2;<M"Dj9ƒ
w*R"1D‡-!
›œ *-! U-5R("R*+>-59-!\-.+ 
>a 8D5eD! 4f--ghK:
O*$%&*k*_l
,-a *+,-$%$.) ./01$%$.234+"-!D:
,-Q-C~'-!-Cx-!*!(59"$%.H
,-&+ 40<-01Ui*2IDK
,-+ 40<-01Ui*2IDCx-!i) 4
,-<-'-!!(59"IDCx-!*!(59"ID\I
,-:MS <-'-!DJ3"";&
,-?MS <-'-!II"
,-BMS <-'-!5 +JR
,-H#-Z-! 4S-59V[?