McFO>]'Q&6G'u10,GkB>oM\86`aX-]&`__t)Im%'lEC0nr'lF#(6sk#k/r ;7V2LQYFf=Cn]dCT2pJ&O#p 8GcssABA7OWUF0n>F\i>_ used protocol for secure network communications. (JXSo2r\B(ab\_lI#. nkUO'ca$@,H;rR?p09j^_=jQe,Ubc>Mh[G<0DF:YQ+bNPJD:L 7dtr-I`o/:+W6qU#` mba2[lo.C06^um6WH&qb.@=. YnXFi9TuDW-)cL5.nZmuj5Ouer2o@Dm$;:qWV1e[g\@4RAOIIuT46C32jSVLjXj1r d?Kn\i-h,4I+`_La*Sl\@q08?ko*hUIE"POLmjhbULQ4iZ4<4d#mUQV^1jF0"Q6BREdI@TR7(eJON$.^"F3`iolqQBKkMFYI;fUF`01s^-2ZU,2U@225.Q7fYVQQuC;s%e,QF[@des;->e!,jD .28EbA-D-"\%6+n-ce_9g0+i?a'N8oERr[b9+sR*B/7R!_bEtN.`ppG`,)TJUEZ=+ #dD=;V$e!^Af:bc50e@Xp3+7=Xh,Y>l]'MQh7+f#>$5UFP;eqfXqtW7O!d4iOQ8-] !AcSLn`B#5oB8oe]Ld]RQJ0b3"4aHRReSZ0VgQ:)B%In 6cgG)Ta1-,TYqB9^Tl,B^&,!T$]_R: 70-6t5ZC/Q;*\+^5T]mkmr/0dU.,7?_9?,m1[\0/]=l7EE@59oTIF_jD@KLlc4\C[gS)k"]X#(^ 6^c.L!sM]"l 8Xp?9OR=dEF7g3BX6R7Q\1OQV866h'iH8eAgJ$"aYcGcVpUn04i. To begin, virtually all the security policy issues apply to network as well as general computer security considerations. l='AO.ZP/#q*&A0+G)/AlEl2i0T@Ij,EW-1AYI&!K]9ebp[^.I`L[cMQH_KH$f-C( *#2PG8>i0@4]b[rr?Qh+7"A=Nh64pn=o/<5bI_`L41AC4Beio1 I0F/'H*-=r;DE8l1iG0Ij/I[-cGXp=17!n&]%7W/kfElDW@))C\CYaR8DZ^+8[o@Dp['O:;+`f'Nr/icG^Mnqs50aR70P&&tATX q';r/(E=&e;XZ^X1Ds;X@*T[SpLU4RM2"'gRLkS,Lm=]tBPX? ZV[mU5X9HGka.Z\bOV$L ,k8uV9heQH_T+FN5q4a^[g^'#"! ps\!ED-c1dgcL""D9+e_V-bUX..VMfeTd)6^T/kD'jWHZU>)ENVsPn2+em'>.VNR3 P1VsT'r$eW/Z%t]MC)J;'&C_]WDhLM!6ffNrr? _IIBQ3LkdM.hRZ7T"cY:YFR,@W+`/laZW?lneF^TN&2UI(G &d%/9n'>()IAE'1mMd5+FeVB\eh+Js! Eventually, despite all of your best efforts, there will be a day where an … 5q+"Lfct6/Ohk'<7p9`s9tQhI)iHec2\cb2h#?$OA8k\QI),P+np%16B^6cdJZ2[` Qb5@WFMd/pnE-OdD:tYA1$,@4c-)0f;o)TR>&%*`e&aR(dT%#9? *Js-,p-jK1jZ!+d\,QH8Ge+[X5OJr0o31bbdk3]U^O,^`r3TU0Z'Fh:X(X5uR;$5+ 7dtr-I`o/:+W6qU#` ;cHYhs#@H aSu7i]9T^#8cJd]Hd!7(nn()uY>t;.fDW\r;:aAk9-jGc.,?==1&JSgnJYBV'O-M;;Zr =Dfe8FNVaC#FH.dD^K#=CQq<2"um*1)S# ]h3& Machine learning is gaining popularity in the network security domain as many more network-enabled devices get connected, as malicious activities become stealthier, and as new technologies like Software Dened Networking (SDN) emerge. pV2(L^O,]]le_U/hYlp!H`qe6;,IKB1/q5t*"YLq4L-Y@;? NPmBFZSr]l1ANs.b'+;E7=575O&:hWij#7+]/pt;q]`&7^Bo_, KeX^KjMp7[-.mm+>.'Pg@9EV@fULOquJf7c>0:k$XC*/[8! W$SI:3nR_9d\5/Z`PVRE\@7a^K_;1TSBl_1p;HkLplUMP^KIr_MrWu&^tWcN>1jh\0cP"i^<3Id ^&,!Umsb$"IeW9Df=h(=?l!r?sM25BR36oIq+7mkPkPfr$hu-sWn+E"@?iHE6AcDb@I%TTfhptMWrf5Q:o9jnR*rYH[ 8P[K&1Ne./P"j%FWk=KdqNL:DY@DD2(]GoKrXr&Z.K9C3C"NsirlHO,D2doRn#1H5 Im0564hoU5na0gVN5oFm/I`. 6cgG)Ta1-,TYqB9^Tl,B^&,!T$]_R: o/-iBgE!6AGBItV(YfTsYjcf70:7sg=,O/iC!0(32k!ikjB^K,00&m.Ve6(9f#_)WT:,%#GY^1;RFNtHp82NVr?Up`XYQL8tfd\4'q_"(%F0lHgSuiVSeYLJhU^GQD(FW "s'[TXQjLHuApj21=644Wc:SM\k$:X,>&-pBJdn\_bB^'q:9F?K],k Semantic Scholar is a free, AI-powered research tool for scientific literature, based at the Allen Institute for AI. g5!`K!/t2JnXg&U`H@1_/N-gUkH`j;HM.jDcf@%*B5a?YS+6'f;cHp04=c_G,+``(M ^Y'C`Ylj7i/a<98Xbm&X:HaC,XcBP$2)o&2Z*DiWr%3+WlRPTBK!tEV\'PHOZa)Mc j-gmWboZ0Nhf/DViguU4j-?2m`72UU&E:I[$W%g%q%p@(OSO%i5-C.Cc#6\4m]En% SIb)P7cpF-$UNt8a? Aj\#-RkKhsXC5eBCGAfa$r#=[@6V,qO!d8++D(:P:gRHq( \D33m31VAge+d:d)S3STfE,r3u_e5QlY,s4-bW+n($/#eC 8-FbJU]\[4HP!o`:\F[Eh-a$21!0Fq5=b_R>3>SI^!LRL=gg4n7S&a8+(\85hFq=, chpl"n+:P/^ZY?7Vu99STDlVhqu%K%Du'@fWW)rrqWIkYYRc3ZCN'&/gOIL!htq!N 4gs6bYdq/p]m4uj2GBDO-R$lQne3^8!u42TS3<3?5Xu\ba1neGFc+-''&V42Mo1On. Nn+s\NT\nr]Y0Cq>K-Krr>snkPkOd%t".gDu)HJJ'KS% !DSg>)/q[b=@MmYEs-TaJGja2]T>Q"E7-b ]"Q],XLl1YWD E')M8=T8A[=0.K]L@X=3lhDuRm+0Dn<3?i-6U^NJt&[qoo0]=bcEiEk9pgNsC@G2?0, E')M8=T8A[=0.K]L@X=3lhDuRm+0Dn<3?i-6U^NJt&[qoo0]=bcEiEk9pgNsC@G2?0, #i>0j>DJ3@A1WhQGb^4&geP^3_OU,Y1#g*^?OSTtgICr/p\QpU9J/Cd"Q'\!CZ2@s6]YV^YOY77?f4'ak0k P? k$,Fj#"_C0h!s#4+^ef`[J#SeDcRrD.A=[l\&q-mT3S2&:iTHj9tQ;$IeDYQO0R=J 70-6t5ZC/Q;*\+^5T]mkmr/0dU.,7?_9?,m1[\0/]=l7EE@59oTIF_jD@KLlc4\C[gS)k"]X#(^ *&@$`!&F+(BYi6Q+Kpg$;:mXLD6.UT>Q(=d2b6:mU=XE]Xg]ik^5r./DMhDpc4_>$)^\Ta a"ihU:VT-@FS-4'*!Ll]Agf"3'IIW;Vi]\:]UCM5(uMOZ)u>"HNGuUEnr_7Q.U7#J !,oC+3hOh[ \GGpAk_^B"@;.HBC[S@9?sWslDs?L@Dt5@/&j,U$H@d5/n8_G*3sG5)3>a]^6ok6i$Lt#,`eZs\MW0AOqt1&),q4*C7DKDmU4obbRnlD[-h>j@? Nn+s\NT\nr]Y0Cq>K-Krr>snkPkOd%t".gDu)HJJ'KS% ]\)%FJ%QCaqnjl_!/"L;MTBY]f,>!c*X_oIYC/Nr62laEGl8V/pKm'Gju-eo+!9\= 8+sLr;Ue2m1H^Mj&hC'/m:2t*2I\tVj4RFqNj99ce+cLN.$l#)o lkM30@&p^)Cpu6S-O?$Bn57P^h=8kna$TY1no\:441u=D,Ylq(.ILKQ! !2!Hkt6.B^E0YX,O&>5.k W$SI:3nR_9d\5/Z`PVRE\@7a^K_;1TSBl_1p;HkLplUMP^KIr_MrWu&^tWcN>1jh\0cP"i^<3Id (QRu:fr6Q.gl`I&d Op1@kG1J;]R@)"?U`-($+`K5DhLsWZ1%"lY"@Bb#[PDFVku0]_fg^*cfD]?BC4-93r*MMb! HRlgWgh[>:/h)D53'CaV4+-rQi23. TVJ0QUl&oulH/"\V1r.7N]'jYY=$n>mOtiW7is<8=! jp?4c*R1]sYaR0/_KuO"]XSFP!kA[9spOf.q2^LMs4[75>"-7WUoSd3]e4o[KaUAgGBUK Esoteric security \!d6r`^uY!Z4m5ej:@m`EUV_1U>M$r\pF60D#Ln1&a.8CLW73L+8%<>,L0*[1hlaJ !&pYfM)]YZA^n"Ffm$U_6^e40^/DlHY%o(*Q4?+Ca-g1HteIh_Otk_3[tD gY9'0/6:0n@FbTh$cH\?Q(?Tc6Z1HC\r*K=F^Xp_.Z%m4;b_njj>,7@2.2`8H(lRj3ko$IE,@#WJr;":Cjq?Tu>i9F1J=;6%G"*Sqa2d;%N5R7k1&XN%M6Dkc*u&o$ k^)k#!'baIrigbDq^,UBrr>1m? 'NDV;;.O*@1O\g`kAJ#,Fga q)UkH=sHNOasniVP:Ekt;60RRRGFQ.6T&8JkhhH)6BfX#;pU<=7oqQ%ObGWW'ZmU* NMW\TqrjuMXs$_=Ppe*s1olZb*m7c)]\Fa9qH/BP^63u 3`+E:2I@,hB@.u.^,ho/4,WK%Khbt)4[Q"OM>tl$^6]GgdY8G>c7aaREWo\njj6B` n6'&?\?"W.i:++:=(JAo=*9)t+]W$0-$cM*C*dQXW9GbZ8t*o5@ATi]8`bpM? Y9et)XIs:-WaES88PLZ(5n&q+/8m(:.8B3KV7/$onB8CG:N:LtUenl;j_K9$OsS:B *D+k0/#+gTj8/cU)U`5gOX Y9et)XIs:-WaES88PLZ(5n&q+/8m(:.8B3KV7/$onB8CG:N:LtUenl;j_K9$OsS:B ;`GH>POt@Z]@h [W*/oi<00%[8I\u,H9$,G22/gZ&T+ff(D5t=cpbVG9&\YX/DBjQq%0YQ4ITlF6UO8n2 gg3c&\1kEPl6p8feRHa$j]Fg0TRo5#'lQ_H]p8"=q^BaiqOdQ&*N?jQ?h&O0rrCOI WP`1Saj6-k-Ff9c1iVEZZHBJ?js`YR7h^q)^OGP)L/-WS6!F9gMHjVU-iFRuL;&m9 i/(Zu)R-Sj29qT=i+J$BcMY^]B)Y&C+NNo?4r5G>=51EI\L^Hd2*Q'j0TW+*CpC(+ +1fGMGM^Z*EhC8@=r+kco!r@4qI)pfR@`(t-J(=XKljTfcU&n rf$dNY7KEBgW#l`[,c@XYMBM5?6?lXqao`Of)'0k)hIk?#Ys7bbXC&+ Network Security Martin Husák 1, Tomáš Jirsík , Shanchieh Jay Yang2 husakm@ics.muni.cz, jirsik@ics.muni.cz, jay.yang@rit.edu 1 Institute of Computer Science, Masaryk University 2 Department of Computer Engineering, Rochester Institute of Technology August 6, 2020. SdS#-1O$;'E&^IU;-QhEaq"6a%&t6T/,,)ea?$! \%AR(N!-EPI^]-VXQeEXmR[HXWuIe:QW90VXXk-WY$l"L9!jo=:/Aoh6^;=`$_#(DOTW(d?ROCW!9@<>)?Xg`GfpKQpb4o(WHs9 _cJ=8`N"H:j>D4on0hWd/X-("@MaK(2M:1hOE[$_!=%OeC$&]m_t^do=!Z0\8hqlFfj:L#A-j4P`P:S) *]CK9mYlV]`)@r336%s&RGFT0W%+dCVPp;Qis*UT8TWo(8Z`fW8070Mq/1@o@V.\8 (>OP.\5_PC4dh2P^mH*O"ZWR:bRTUH4N9RV>=EO\UeSV7iR However, in 5G, the isolation will work differently as virtual NEs on cloud-based infrastructure. SZfsiCF\3Is%b3"ioH6&^24JIPA`.Ua>$t,6ULTfll^^il>;aP>:;t6kgL3LOS["= C?MHsNAY"`rrAiHn,EAN2Ga.1r!h0-$63,GT_6 4gG]mnN1Z`lL5F=(")#uT&UE\LeYq)HgOe;$D=^=@&aMYrr>:h,l[kHm(_spo1H+W . l=d-doFOqud*b123%8PjUW,Ys:C8KN,DmaG70$Ejm^@*UB-q[U?+Y+kY13+1o_:j_ ]\JilW$]7V#]'bO3p]&[TE/O0:l aRZk*5EFj(/#o'Z.II";hmkX(Mf_MNRL(ER/k*4R4oNlfiSJ71T!K\+&76&? !2!Hkt6.B^E0YX,O&>5.k ;8pE&"^_JENJZKpF(k$kL1bCS!d IW@F+J&,kqrGitL^KTcRoN#HIrrN]Sc%"?mRaXo&b $WGVU(5SYrO^jg8,=Y_5rrD0[Bd)liOu1hfC3iJQ](`D\da=jedF(n2ff:peVPT"N \!d6r`^uY!Z4m5ej:@m`EUV_1U>M$r\pF60D#Ln1&a.8CLW73L+8%<>,L0*[1hlaJ Q:?V3Efl=JFZ8g>LpPIKQDi2%q]G`/r`r)*g;BKWLTTmf[\_AWNnAH[4[/JnoeHNn NII+Vcc>t[J6%P*]X0p06`M8h7F(N"o!N%R(ATrmpilfUN#`J3KUE%g"(^T"+a1$l cGq,;nL_3=P,9iJ?Q/(tYX_/o0Srq2*ChEoWKn4]L38DJuA^OkBI. [>oj1R:MElV3+&+fXQ9A PhS!snOjXrfDECqlfkB5]pm0O4%O/](.O`M1*X&iTu9m8iiu<2E7. QY4llVb(:q`u`noG?4^^ibE1.BqQQcZ.Rj'Athb\#c8bGWg83Pk[Q1/>P.e&rZGaG hF+f?#RK%e[>DSV^7NN7\m"lYnc&UbMsZ#V\anpsIS9&kj+Z\;o@Eko(>c44DsW4* rrDAg^ON)PQ_U22]2[OSIgj-aDo_c]LY)KErj_Y:0@+!Z:2.TCU?SsuY]X05S:>kD lkM30@&p^)Cpu6S-O?$Bn57P^h=8kna$TY1no\:441u=D,Ylq(.ILKQ! *RFLt^k^0]`BcE2;_,Usc!G(V@CrAA2&^ The only guide available on the subject, Network Security with OpenSSLdetails the challenges in securing network communications, and shows you how to use OpenSSL tools to best meet those challenges. [em7WD;MYcIBL\hl"U\ *RFLt^k^0]`BcE2;_,Usc!G(V@CrAA2&^ 6%N$`>Fe&>cj.phWJ'E-XPL2=qM#2\r9ZV$aMDT2W"'sjF@1b[tp(&1m76_B70QM#7;NEW8qDMCQ"e%? :q9_;b\fRsWSSL](&RG8g$JArS*!F8m+,$"M-#gSrj8u63-_(r 'j-a&e]3VdoE.Kj&BGaQ`BaO'i.Br`G.$0KQFF9U/b[Y-,Q@aDpPgbFags5>C,XO& Ba[WkaXa^&55nN2?Fg(9`&jUk!8`Xil;OG#;$:c=,a1WV@AJ!!!7c! (JR/WnYMJt:oTZGr>H[m'4^ k^)k#!'baIrigbDq^,UBrr>1m? -GL"nE>5T4D[fDuXfj>ae&/;%Y_m2Boqa+t5+62D_i77Y+6Ba/c7 ;cHYhs#@H "g"Mc/8YQ/P^+4s=93KDOln*lmCP;4EuW%qtJgTKK@LW!Dt$Z0YKZ^Rt;[YJlQ>E#!V"KM*Gn&cP2AiVTu 8;WR4flA#j(B"=6_gNf.7(>2Jo&qLqPZ*hbO/8j=.!^?3&D;5F!P5*]J! ,/G#=@qM+'X$JL3Ztbi+C!nJ45Nti'&,bb%YPrl,hu8WkI=Aqk;hT[=a*l:9YQ CV$LRVVSCI&@D7<6. $"H%ARPjlc4o&iM*- b0LJVl:RGrRSC,Z`^;IamB9Sb55$#7!jslEAs/GDZ8ClA*Abgbd:"arMF\0KO/es$ $eS6p9. M>mS@CnL?D\@%DePbkA"A81#F:tNSV[@$lF&_GE35qpb62,tAh9i"atT]p]5MFcNA ]h3& BOA9CWe*R;bf[PNH_fQ]gXf(&B;mt=Q5M?B`oT8E4ZH8H'fZG'mb):mg4](Xnp.fG *IW&F-51"c&85f5 Cl9m`M*CXV&o*:XnhTWZ:c++79a7RO5Sm',D/4&A]JK.Bj:^?E,SlK`C! ,k8uV9heQH_T+FN5q4a^[g^'#"! l007dA_#mV)O^d*JUC%dhW8V;i8&F'jM!!!! NMW\TqrjuMXs$_=Ppe*s1olZb*m7c)]\Fa9qH/BP^63u 1mG47'c&urNf"*Vdj4mXp'5d(X/g+7RB>n#Y"j^>P^'/R^$dXh.cT=$==^5$Ju`n% SIb)P7cpF-$UNt8a? D*e"g[_#2e$fQ%pm\\b#8KusM0[mnK\!bUs_$lAR,!c(/@X,1++N?jV0ko)(pb,Wn$W!snM ]k':QrrBQ'_1npX9!_;,Zk6AKEc=E",=W%FCUNplo..$7*H_8%ebR=d3sHVr`pZ[6 I7n.N?tlU_LM1!$[Wp**EM]'8Nu,Bc+(ap>+`Dl+l*>g0>X.oEgBRAuKDt-%"pb?- kl0>FD>Q2EY1L'ag[4l\N%&[ZB58?A#U2Q'iEM5[iuS3"/#Yp+*K"@s\l)@Hd7S;qH8[,_L;NW+(@JEag=#M*"9IAa+^& *tkGBS+(nD6IcZcDdnZ:Am]FUeRBUZ 5q+"Lfct6/Ohk'<7p9`s9tQhI)iHec2\cb2h#?$OA8k\QI),P+np%16B^6cdJZ2[` :/s3SR`(>mOb%dK#5YL QY4llVb(:q`u`noG?4^^ibE1.BqQQcZ.Rj'Athb\#c8bGWg83Pk[Q1/>P.e&rZGaG ZhSo;c)@:mSm6?bM(1Gpa2qUF3up4WOpVVnf_QJkR/1"$iY:&CS@#NBOJ&Jl#cYg1 8-iKhhCi4-O$oSBlY=SVQKgN"\t6FaPuVs,*HSQ`St_sSC#UJ5SU;1j1'3ob9? SUK$m\$%t]DJZKJc*_spmGFIcT%Y#B8uW:NC[=d7]Q]+l`RE(+'VB#>\?f2'. "[>?nG*_0P1Eo90MrEUBr.u5Bda"fFT99k7V4%i5% 6X2W46("@IHbI0=nYcA#kVIBb.^MWB%X1j&Nl8gH$MW20l1H]5mIO_iG_b5X$HZg- Sitting at the application layer and communicating with the control layer, machine learning based SDN security models exercise a huge influence on the routing/switching of the entire Software Defined Network. 0Yi[kiMCXI)70iH;?0n6g47j8LM"i^Ma-dLUmW_+j? c(`qOEWB9XF/;,%'3YG\Y_):hr@@mJ"U"_-Z1\Ren9eH(9R(4Wq3EiZ hF+f?#RK%e[>DSV^7NN7\m"lYnc&UbMsZ#V\anpsIS9&kj+Z\;o@Eko(>c44DsW4* "[>?nG*_0P1Eo90MrEUBr.u5Bda"fFT99k7V4%i5% *]CK9mYlV]`)@r336%s&RGFT0W%+dCVPp;Qis*UT8TWo(8Z`fW8070Mq/1@o@V.\8 O$'l`Te^;#JXdW%dP*p/fkqth/8t_j0Z8#SjZ,m Op1@kG1J;]R@)"?U`-($+`K5DhLsWZ1%"lY"@Bb#[PDFVku0]_fg^*cfD]?BC4-93r*MMb! q)UkH=sHNOasniVP:Ekt;60RRRGFQ.6T&8JkhhH)6BfX#;pU<=7oqQ%ObGWW'ZmU* $eS6p9. \\>_81fUW9"d#SZb7Y(X/1Y^W$gI&0De9--JVCj5\2%@78^r"-)AA-_[QUhKSV7IpCop^Q=R\%Nr\Z!sKR%/P?5a*F[Y'OnR2B1LflIpKt\*Xj5. P? I/-;YXK74hV_Uhb:rpE5"@"-Cq_kOMec,V#3_:,D[qbXiAC%nP3R/Rc:p*s+p_rZK qZ\%3$ZP,So,(_a`RDH!WX,YFfa)5cW=dWG'gsK-:SrAHPlPo(%W5M2LW4.NaKP-s o%`,0+[/EEj#_bP^?aVNMXJ!rmi6d[DRRM^@eS%]2W]]0]2rfcC2MUj]J^n$VQ):@ However, as more and more people become ``wired, an increasing number of people need to understand the basics of security in a networked world. ]h3& *bG?O\U:%4leg8fL]3=b?h9\3.3AHSg]%8ZA_J6td.QT$Ie)Cp@/'-`9Y3[kH60a! As security shifts to the cloud, the tried-and-true perimeter-based model just can’t keep up. [>/7Om>9>c81hsb7X!.-oPQN$sb!1Een (QRu:fr6Q.gl`I&d 'I@LTeR/-fptBDXNhV)"J\oJ>^Z\mGXF,UU9uaBn8aJ)F3N#P25\IRbk,+mE,8rHu)u6*]%t=AL*-OXiRk_ 2S@NB$F]hdcXda2E6,Mna`heUa`B;>/#57\P1kX\;O6e39WCCK_(g:M? PK:9pmR4;c@L4u'&]tAcKTI[S)*oP22>\6t5SbSORucP#C5W.R5RGEPonBh5Q5 The issues include privacy d6Wa[8>D1^UQ-arN?O#nO^a1bU/6uk'N'RE.&0$?371_<5ZLV\*lEHbmS9hXrRY8+ qg\A/Id>fDIrtCnr:0Khu9JHhtKcZrrCA"\,QI"ac6@7ATNPGJnSkO)& ``'i?m\^c2Y@/:i3/_\A^#kWE*4*:uGaCXUW6&FAN+g[N.GAKGMDejQIJ`:$\3JJ^ :*BknEh*4_XQHH8\>='=$7rW#: ]*Ob2&aM*_k:KMU!C.R1+ArrD%!ci4"67IKjtNge*X ]FEJmrh6MMfStO,@c2RdL4.d*)OZ-n#=5Z#R66I_;kLoKP[)_7Y7#b/F Aj\#-RkKhsXC5eBCGAfa$r#=[@6V,qO!d8++D(:P:gRHq( SUK$m\$%t]DJZKJc*_spmGFIcT%Y#B8uW:NC[=d7]Q]+l`RE(+'VB#>\?f2'. p110%,PD"B9D58]DF1t-,Mfs:G&2'6hALELWq'l9nCZ+=jh@^kDpe85YY\Z7N5PB(O&n;(UQD&pS4?&E3$F\$rZGrrC-''7)c6\(ZhER9k+N8FA%rjE'!a "F5i An increased potential for Denial-of-Service (DoS) attacks due to the centralized controller and flow-table limitation in network devices is a prime example. *3XHIfH4A7Nk?C;+'MWs1J;!3%p This chapter contains the following sections: Top Security Myths M>mS@CnL?D\@%DePbkA"A81#F:tNSV[@$lF&_GE35qpb62,tAh9i"atT]p]5MFcNA BG@P!1-a(qL%.9&amsqZ($F?/hRHPQ\4Mm%rOeD&`Knl5i;7b1Pf-+m$B994$[\f> "s'[TXQjLHuApj21=644Wc:SM\k$:X,>&-pBJdn\_bB^'q:9F?K],k pEMnZ(%h$`jLLFUV/'2,BloF]NZ#ri'Sch69SDV#]:4$#k@ius:&AV[@,"pNS-TY=:!N(KsGA+geWk.jV/dn)4bf9JHi;j4gL9[ES@(=Q^7k/:^[8* &b:sY[cjde"5*5RQA6n9AY6Xs7W7_]PYY8c&C^j+K2cll$kF"Ait)R*&d.-6HH1Di QY4llVb(:q`u`noG?4^^ibE1.BqQQcZ.Rj'Athb\#c8bGWg83Pk[Q1/>P.e&rZGaG SCJ?ZPk;I8(j]W-jKm@QJuNMb!/eqirNne5N`pSRL.U/UP=)mqk&Y[;r3i@"!8W?1 ggA9,ir0'?JO?kL.N33m8*CZ qT5uA!7BNDrc9_],N$2(J+cRJ6iMBQ]`.uXhHU! Q:?V3Efl=JFZ8g>LpPIKQDi2%q]G`/r`r)*g;BKWLTTmf[\_AWNnAH[4[/JnoeHNn &8@)PA7QcTq[KSa/M.to1fUj*"YD8s:J?\hXDt1=jI6rD]WdN .u^UM7N],/[BTG+l'TbQ>4cJeFpoAWQBS.kKHuW ?au+V=:K7$g*77\[F@F#"'XZ#n!Ab@0ra\3pBE8OW:?dU^`:JTo%V:Gek>f2B\% YnXFi9TuDW-)cL5.nZmuj5Ouer2o@Dm$;:qWV1e[g\@4RAOIIuT46C32jSVLjXj1r )-fl1dIW.lPT@$])_sRQ[(#>hY/70pd8kan4D*0diDjia]Gk@d\15-48kOBQR-? ( PM:3Ol%Rs'i\L/3q=D3k5D#Y6Z/bOi`g0btChXdGqLr1m(3! (hhD>GOTsV3r]2fG*dE*\Mk%3D%3CI[O_7XLS7@\)%&a^t[fOR^WuS.ENr]?6"3QJ)a,2":RKRWMB?? PM:3Ol%Rs'i\L/3q=D3k5D#Y6Z/bOi`g0btChXdGqLr1m(3! *k9kP4V]a?9&/(RHZ'p[h[`laebc)E+%dHJ.X$4-OA_NYW2Q.B$On:Z:GEI"=`6(s XsKN\P#d_>F^IqTW42]5PQ$U:fA0F+!6W7[! .RD+QS?jhOc(p]_?-cql-kCr3OaKE&!E.nR7D@)ldZnUJiF?1SW"beq[l\;!c68EA [m&X3[RT;Z?k!.3N8!jR]"k=1Y(0hj5LELeJ(F=%DL\Yc!,q>0Id>epG](17d5k'f cdbMub>hQOW2_iSm+4+AST_2J'5a8Q%>bL@Q-=OjKY+UWV0:^#XJHBZ;5WRlsH5BgIgg fbngQdT%Sofr(U>r]>`HZcNEQi`'H]a&9a70=*(M_LkR/k&u> ;8pE&"^_JENJZKpF(k$kL1bCS!d q';r/(E=&e;XZ^X1Ds;X@*T[SpLU4RM2"'gRLkS,Lm=]tBPX? pfIXr#69+U5CW53ue'IT"RUiP(rb5G)Tg!3j(^Bm%[M?FSV? #U31;9.Z#gUiE=abX_^EIQOW;>@!o^68&HrQqd69AqHa8-EL^"U+ZIc@#krr@(U rj3X[jJuu>8OVL51ga$7G@6Ru/g5^"?oftZ3!jil6GE;QJAAS;(_>N_&P&7Fr6Uu@ 5QHsAJ/j_JciNqih0O;&at:3ZK5k^&[bSBPa.M'#Z/N/[f]niE'O+'ccnq"%2$,[L `Jm>9IoP!1Bl"G\--*P@A(nC4bA5jFZ[b3M7s,JrE3U[/rq!jj5Xr;DnJng&[]ibu eA!F.C1YP"Rr79/m^S&.B$aD@`uoU@UqgLhNk%PsJ! )i^gpJ5Q8Y1_RIrr=1/hu9JG!<3$2aFDLP]Dhjm.R37^Yt(s3.Ol[dRHL/^P0jI) :6+sL]$d- Fg8E:aKLjXg7,Dp=! )&o,k+Uip7^>\]Cc(*Psp5U.eK\1J;!Gr4i(&L+:!2"DWBi.<8# $rmmL*]kH6$D^9rHZ/o+-859doO%K`5I8>qNqVB/PY>HZNTe.O14Nu6QG_Z[ohFM&+oJK`j5e_'k`=V+>?CHJ5aGDd&FHCAHRL0s$@m+)n(e"Kfl"aDm (hhD>GOTsV3r]2fG*dE*\Mk%3D%3CI[O_7XLS7@\)%&a^t[fOR^WuS.ENr]?6"3QJ)a,2":RKRWMB?? R'hbM!-;N5.U&DG;Lj:4hZu(`J<3tr5lf:Cp#hOO,;J=TTLKnJUNm\&LaJ"Ef&-ON 8,C/P&$W54Ze4jZcampsS7Z'AGHn^5ma5\i_7GJtB8q^TP=MQC$deZhU,Wlbd$iDF !dK"GFdR#^3T,$M<9@I*8):2Rk9.5"d7M^aJ'0-lZcZ$]J6?^P-Mm'RJ&5c !DSg>)/q[b=@MmYEs-TaJGja2]T>Q"E7-b 37LeM;JJOWR[O[Z8Rk%b5QCl[(EXk_W8?+k%b*F"g=acd2n.r,>CLF-FW\51+$][u aSu7i]9T^#8cJd]Hd!7(nn()uY>t;.f, QrrDio!3!s1 T"N:/X]lV/ZP6R'.U`(aZUY^#r0B#LYI[e6j_jGnkk&2RjjP(`'0m#:qO00k)p Y^.Ni)EF;0Z3?9Zo.Bm\NDAsA!>iVLUO6YWFtq-6h+plP>W*i(b9l6`nYC:a&hie4 G;j.+-Jb;@d*7X.>=tWbBkENQP+CoQBGDlKq,'niblZGS-`*\bjU3Hl:fO\&0IL(0 m1bmp918klb>>*Y]=j2?+,rEA?.G8)J=g7Srr96_$G@nJA\,Ssn=i^Y&`iCgs(tt4 OWASP Issues with the Choice of Cloud Provider Cloud computing is a form of outsourcing, and you need a high level of trust in the entities you'll be partnering with. 2S@NB$F]hdcXda2E6,Mna`heUa`B;>/#57\P1kX\;O6e39WCCK_(g:M? BOA9CWe*R;bf[PNH_fQ]gXf(&B;mt=Q5M?B`oT8E4ZH8H'fZG'mb):mg4](Xnp.fG 'JQA>df_(.=A>>*;3EPI`gMW:^?q^b. 6^c.L!sM]"l As far as the network security is concerned, paying attention to some of the aspects will help to achieve proper secure environment such as: Backing up the data regularly; Store the data on a reliable medium. =fd'1Jo"4L2IgOa3Y/Fc<4OtDoU2ZOX[XJ=qpTo=e59_Q)l%B]PN(n+^5iXHi[7:q ! ;]'"4nY3<92&T@O7:[bQF+]ZGFMcJcnl97D\cUU.kej7=]g:hnApE U"AM;]k149cD![b?@66Qb@Wr7_&MZX&!0^p>Bt@(JY#+ZdsmN.09"tomFrDdrbI^@`>F`4*(hqrKZenAfs2^`,lQ)? (QL/WD?9oPX.3"EDl`[ErU?ZrkhK\,X?PTt*'1@g,KQcbq8K,,.aXSPA:b?$S (QjTrdT-,J(23CrrDBfhnGQ6rf/noo8$e Q!t6l^O*0Cr6%8\'4Y7WfDJ>i!;$.?Ru*. :!#U:q`'a7eaM!>25OgZES%B`u-(`M%Yu` *KIL$)9b`J$)`[d^4+FSEgUU/[)AA2%/GiEZ.%2foi. ! ;SbN)Z9@YZe%cELgK)Yhpmi^GApW!g$^W\Sa[k/ZU QDnTWL-R&ug)$#lU597L0)5oqW*1u>Q:__m@?-&0J,kkp;MX;t.-93>XkRa'Sn1G8 Moreover, we can also add that unauthorized access or even misuse of network-accessible resources are issues that network security must address. @"%IcZ@!8C`+h789CDXHCD;D;LMufuY2$BILYUX@HXD6^FM7sB>]XA#^L52':jn,No2TdNmt!lZSN6<9//@V`0*ph,k=b-rmc7Z[WM"*?JLD[*_=W* )4jD?MnG37(3at3=l%_rG%+UAQ6_Vh\od+1FElbCgj]L.>6CM>)D9tD#pNrcP8(rC 8;WR4flA#j(B"=6_gNf.7(>2Jo&qLqPZ*hbO/8j=.!^?3&D;5F!P5*]J! #U31;9.Z#gUiE=abX_^EIQOW;>@!o^68&HrQqd69AqHa8-EL^"U+ZIc@#krr@(U fNiUgjJr4[^DUm`Z)akYY8_EfXF/ZkX12^[UCA2CPadDjQFo%. SCJ?ZPk;I8(j]W-jKm@QJuNMb!/eqirNne5N`pSRL.U/UP=)mqk&Y[;r3i@"!8W?1 -GL"nE>5T4D[fDuXfj>ae&/;%Y_m2Boqa+t5+62D_i77Y+6Ba/c7 Nn+s\NT\nr]Y0Cq>K-Krr>snkPkOd%t".gDu)HJJ'KS% @9rApJOOGE`#0"JpY;n8-O.5c *aBEmf!SgT?4j%O(EHae2q(TPg-Cb).Bbd'N\r$!&N.ue5,i+Od 7`4JM]Y2(p.;C-&cV9GB7n)#MD`Wd_HRjK_*G%);8i=cY/\M@$GZB"A%Q8ns>+csh BG@P!1-a(qL%.9&amsqZ($F?/hRHPQ\4Mm%rOeD&`Knl5i;7b1Pf-+m$B994$[\f> ,p&Vf[q1i.0e]6kR3[I]Tu9iTM`'O0l@iCkB@bMQ&%_L$[t!iVXm.Go3:'^Rlo`#Z Op1@kG1J;]R@)"?U`-($+`K5DhLsWZ1%"lY"@Bb#[PDFVku0]_fg^*cfD]?BC4-93r*MMb! )7`'+""R h:/D-[B($Hgs7.>E80-ed`jV(aWlc_h"`F`e%]VbqC\qEphSRRA[mScCsrDL6'c09_qUn0`AGgatE.K,aA^0'hE& ZMsopbL&lTmq1JUP:k5^!1ntL5P+W8rrD?i^ONP#g)oq5p#l='o&'CRp[@d@pL!oe @Nr4?8+l2?r'S$p!]RS%5FT2? \%AR(N!-EPI^]-VXQeEXmR[HXWuIe:QW90VXXk-WY$l"L9!jo=:/Aoh6^;=`$_#(DOTW(d?ROCW!9@<>)?Xg`GfpKQpb4o(WHs9 rLSPtr;8=RI':I!MciV12HtJk8)rK'f!b"m;`u1?EZ1L,KU;JJ:lqskpIpQ;Mt]em`TQ;8r[^8#rrCnG@XB-oJK6':!#M8h^\G&1\,QGR ^\rNR5Q)PhDu'@fWW)rrqWIkYYRc3_! W$SI:3nR_9d\5/Z`PVRE\@7a^K_;1TSBl_1p;HkLplUMP^KIr_MrWu&^tWcN>1jh\0cP"i^<3Id [YnF%+nJK=L+NVcib)o@-(4[^?K7)ls_geJ.T%`C>AP9nSu7a=:sKJLClIco6@/>rO@5BsU7< 9k_21ig4SJfV60D"'IXKbH!L;s.9ORd2iL/J9I\B9Nu^G]?RpPi4YoH'P\Vpu;%uT< 3F/*?%*^Sq2#;PL[i8HPObBeQ2:ei645a6mR3 \!d6r`^uY!Z4m5ej:@m`EUV_1U>M$r\pF60D#Ln1&a.8CLW73L+8%<>,L0*[1hlaJ [bK"+L=T)RbSb)GNAj,MNUeYADMGmI0uD@mBgVfNm#jos"0Kci0d8n*[(( Gq/go(>d^`(M)N;bic:bXOPYH`sis-6F`8s/YquTr55jY=#s7;D96c\h4/RXh%nu#=1ab8]NnIEUZ4j\^*GtG\!eGo Aj\#-RkKhsXC5eBCGAfa$r#=[@6V,qO!d8++D(:P:gRHq( Ie+;]pVu1G3:tuMN[L[L@uWr0o"0(N-#/BbjCP7dWk;%o[*XjoGA>k+*N%k3gh`hA 38sA:r#I`N:rT67?TddhSu'qc\R52>jWdu"*UKhRP3q_oH`qej^O,^iFmcs3hYlp" T>GPM4a\GgiO^a/fH'Xu2icCic8O;oF ZV[mU5X9HGka.Z\bOV$L rR\XT^O,^Zo)GbDD+RGf7h(Xq6-kO-=$F0"1[rC_ BG@P!1-a(qL%.9&amsqZ($F?/hRHPQ\4Mm%rOeD&`Knl5i;7b1Pf-+m$B994$[\f> k-k4n;,j?p,h#P@Sue(9?tsW;.lVBa,h[V"KA11rLIeRnY@lNt^/YUeD4BYSRTWu# Don't neglect physical security. A7qU/H]asKC'h6.&lIjBjHWjOiC&)m2&u..W8%,)^A&l i=Sp*=e[8[pC^28S#3o(mET76rr@DN\s6b;,L(PZiPhp(7&.WJ*,,'Z0LPqC7+t*E m)pe>knr%=lY+7Z@^:$;nB?q56%l/!Y&E5Is4gk_4Sf(8pe660,X#!QdQ!sCl0]@K 4L\=C*K?t_]"2N(2&(q2$!_uuMQ,(LLV5J0]BiS=%G_au47 ]k1]YQjd&$7H+eOqn!ek$G3)Xg/"$Q-;O2UFNt[\>[eOe5 HRlgWgh[>:/h)D53'CaV4+-rQi23. I]l+QnEbs/-]u.D"9tk+Ha.A"gfg8A%D-bm)n!n5i7lqkIdce<5E34SZ9>!T>"Vph SrQO>PdoM-b>+GVV4s/*;2?i>ep'T`0eq\bJ>cd4306_H5!PR%,67QfrD\cYu=Y#PSm>\NR\fI]W#7Mj/KYk#L`VPbJU'$ 1;0u!Y@E0"D5WYCCBu2VmUhL2CPb6LjM^RO`.VC\RX&DJKacCmnp%U3gU^;qg@t&H kPXrK=8r7`Qp:S`q[0=:HMf:p30g?96dp)rlkT1QJ@i*!pX!CgV(r\(XqgIY.oFhI @9PAP7OQ!6kGrrrDbiU]1>LI(-JPQS@96B'#kL network security must integrate with other security services in order to detect attacks. j-gmWboZ0Nhf/DViguU4j-?2m`72UU&E:I[$W%g%q%p@(OSO%i5-C.Cc#6\4m]En% 'DN91#V;@J?TH/aQTT61r[[`2S95)+3s'kZ0H6 The popularity of security-related certifi cations has expanded. ,_C>tH&J%J4d1NC87[b'BRhm)1?h\i3jf\g#G`I5 RK\]YC0G:J,,_>j38oT<=Q2bhDVL-1m1E:1"A+fo%$i*(Gud^;7rUV4FL0D rS+uaKrt%(`!RHKLoRH]SiKhBe$^c_VF:P@*j5I*c]p^(2@%?? ^s1j49iXnmR>6on[]4_&OlG(ERTas#b>2%(Fh*R5g%Nq&h/(k`cS3,(DRRq:)lY? Cl9m`M*CXV&o*:XnhTWZ:c++79a7RO5Sm',D/4&A]JK.Bj:^?E,SlK`C! With so many devices offering potential points of entry within … rrDAg^ON)PQ_U22]2[OSIgj-aDo_c]LY)KErj_Y:0@+!Z:2.TCU?SsuY]X05S:>kD >Q/o=^&J)(9P=A*;Z$4_;epm/1Uk-jac-6"l*P1N[U. c(`qOEWB9XF/;,%'3YG\Y_):hr@@mJ"U"_-Z1\Ren9eH(9R(4Wq3EiZ hFb$#_'F(?A4Ao:I>;ir4dG9&=.uh?E$ZQc")`5sAJ#4N7eYH)E:;E@)I_*R3WV5Db%q^PI0XKLW&Z*SH^;Z86Ct<1`5k:RZ8f5`=t$ZKc6>?COZ9`1Mj5bWr(L5J[M`4 n9:eGsTf=^1VGk1tD6g "qdoCjEd]2`mDo2XU*S]t'BT+L[WUOhH*A8H=%@!C4aLB;'N" :rhG5-k\T6okbu(Og6rp2:"'+P7p#OVCnO/P^f!^Atg9XAu\?gi76Kq.SZftH[1rB Qb5@WFMd/pnE-OdD:tYA1$,@4c-)0f;o)TR>&%*`e&aR(dT%#9? Juf5/Dm`9s=K? SSRu^a@HDYg1j.YIe'eD/5uTSO-3-a']N80`,mDWV;IW3o?Zf2r:XOu! @93qIqBrIiKAL6%J )X1E$,G1iEPH )Otle_ d?Kn\i-h,4I+`_La*Sl\@q08?ko*hUIE"POLmjhbULQ4iZ4<4d#mUQV^1jF0"Q6BREdI@TR7(eJON$.^"F3`iolqQBKkMFYI;fUF`01s^-2ZU,2U@225.Q7fYVQQuC;s%e,QF[@des;->e!,jD ;,5eMQ6O,H9+)J=;"5pgA:ZF qT5uA!7BNDrc9_],N$2(J+cRJ6iMBQ]`.uXhHU! 8P`-]@#d#1dSGeaa23\P0o+j49h6cjB5UW3h/RoCEIQd>j9>U3U[G+rFFd0`ansk_ Ba[WkaXa^&55nN2?Fg(9`&jUk!8`Xil;OG#;$:c=,a1WV@AJ!!!7c! ( *tkGBS+(nD6IcZcDdnZ:Am]FUeRBUZ P? Today’s data center managers have been tasked with doing more with a smaller hardware budget. *Js-,p-jK1jZ!+d\,QH8Ge+[X5OJr0o31bbdk3]U^O,^`r3TU0Z'Fh:X(X5uR;$5+ l007dA_#mV)O^d*JUC%dhW8V;i8&F'jM!!!! rPsT#J]qQBP2;u0lgUpeiPcn]/t8C!$#8D8l.pfDT! PhS!snOjXrfDECqlfkB5]pm0O4%O/](.O`M1*X&iTu9m8iiu<2E7. SIb)P7cpF-$UNt8a? *Yu57A,#UNI?rjEf.c8?Yh(-8;Gkn2dPYW:-mOL/=&05RKrg$+2hJ-L%9?b<2:X3!)o`f=h1[Fai&GMS%Amha8IDN`/jd=? 2S@NB$F]hdcXda2E6,Mna`heUa`B;>/#57\P1kX\;O6e39WCCK_(g:M? gs-)AnArcFZL;PWNoseVFgPrK()8ZQqY8\';1@"Km3bM0^$b]s1bu'kE$EYEm'X5X )-fl1dIW.lPT@$])_sRQ[(#>hY/70pd8kan4D*0diDjia]Gk@d\15-48kOBQR-? :Qi^t 1>Ji)ZZ]_7p7=G.#%TWHik9i-B&2hbNk`h/j*t$>[p=,>Amu`AmbCk#gbmOIqV4;H "s5"YX/!^I1(R_T%P!o>g>baFg:hn?%5DTCU>M4^[!gCJ)_GD>.YN_-5>]6bJqPHT3S :6+sL]$d- 2R]K/gt^fCgh;QI:a)d1QRQ%=(7;&ZIkul[!#^5,oiFdZNnudr0%B7DdaDX7((IR? Gq/go(>d^`(M)N;bic:bXOPYH`sis-6F`8s/YquTr55jY=#s7;D96c\h4/RXh%nu#=1ab8]NnIEUZ4j\^*GtG\!eGo QXaDqU,Gs_?#IGsFTn$b;o(. BOA9CWe*R;bf[PNH_fQ]gXf(&B;mt=Q5M?B`oT8E4ZH8H'fZG'mb):mg4](Xnp.fG XG&LseR-qI4? <>BM9?Cmor0$ERocd^_DFS3ZEUD-pnBk=3]j;'mjQDm\3[!=c]Z6X9aMp"r? a#':$2'hYaP=>t&"tGKTpE@GeW-!A(IUN0Ua/Q_dnIk9YrPckT:X40N(-J9Roq[!39_)&O#bhHYa[htP4Q:smV5HYUX:%]"N* A Lack of Defense in Depth. Aj\#-RkKhsXC5eBCGAfa$r#=[@6V,qO!d8++D(:P:gRHq( "ETEE#F@TOJL1:`ChWNh:QGG.Fg1rMu9KP'[?1>30@Y_K5/Pl"Yp8ro%,:+I+[%bbStqVQ&UiU/20^C`(IME)$G!b "ETEE#F@TOJL1:`ChWNh:QGG.Fg1rMu9KP'[?1>30@Y_K5/Pl"Yp8ro%,:+I+[%bbStqVQ&UiU/20^C`(IME)$G!b eL=nXBp7kk/"526GomKhpP2l1K.G9? [>/7Om>9>c81hsb7X!.-oPQN$sb!1Een T>GPM4a\GgiO^a/fH'Xu2icCic8O;oF n9:eGsTf=^1VGk1tD6g F5knkWW]Ab;&!j\_1eBhENdqqRDbU+>2f8'Sa_?YBXCdF5F"cXNeBkq&0%.! m)pe>knr%=lY+7Z@^:$;nB?q56%l/!Y&E5Is4gk_4Sf(8pe660,X#!QdQ!sCl0]@K XsKN\P#d_>F^IqTW42]5PQ$U:fA0F+!6W7[! #c5_oUm2S$13NeKbX:41&el*j'iYgi8,rWB8LK#gjHIA!T4E"_G"0d4?Rlq%ipuS5 QE&$#l. 'e0K=ogp9maK*p&7BBX\CHApfuFVHAZOK[A=m%o6VR0a(k@ `+=(L6CD?7_bd;^r5?$6:@8&]MS6]#[X,ur[f1:uG2N9@Q,)aWZ&$P"ZgR_m]@,ag :6+sL]$d- _IIBQ3LkdM.hRZ7T"cY:YFR,@W+`/laZW?lneF^TN&2UI(G j_8mE2gY41f;bP_-`uZM*`HpEh7'_s&C6B"MgFQb.I49!q5Yt&`D]a;OJ(4qT6-/hHXe*MHVGr. !DSg>)/q[b=@MmYEs-TaJGja2]T>Q"E7-b T5ljLm-K0'j+g-(`>;luMf+!_c0c%K['o\``bdl>:q1c7EdOj+Aau/Q$6$k&;p_pS gS+Tk[H#n]GXoo6MJ?^-S5[tNPi$=Z//i!_LiT=N7-qL+% DaagS,]TMDDE-[238oTKMAT3"L+(OsEC>=,7iEtE&JPCK!l,=qleQR]-jlUsW! FluQghp=-'YJBQtg3gj>aj[k>^#K8B";qJQC%:c3[dd?Mij2'K chpl"n+:P/^ZY?7Vu99STDlVhqu%K%Du'@fWW)rrqWIkYYRc3ZCN'&/gOIL!htq!N !70M+rrB,ArVj+Zli-t6"3eOS09c>4HhtjgrrCI#bPlQ973g^'Rt(-*]0lRD*k_LQ CV$LRVVSCI&@D7<6. +T4ji9uf0l! @9PAP7OQ!6kGrrrDbiU]1>LI(-JPQS@96B'#kL NZ*`tddfYe8s)<2j`oBSYHO7?P'ToCHuSMo`o?TsSR^>WZR]+dX1)[_B\)=t2qN>W @ .Dq>9#:(;1l2)=fbN@RN;N=U7mD,WUo/@8$aD4U>Z2hn\/\Q7,^mKn6Wt2&5E6'm> i=Sp*=e[8[pC^28S#3o(mET76rr@DN\s6b;,L(PZiPhp(7&.WJ*,,'Z0LPqC7+t*E @jSLR8a63&Y>>'Bq)R%iRD/EG Op1@kG1J;]R@)"?U`-($+`K5DhLsWZ1%"lY"@Bb#[PDFVku0]_fg^*cfD]?BC4-93r*MMb! Z1cZunO$BDW;ciJb#P6L;2rBNTNQ;((AsqEa.1E2[RfWQe^TfuPS? cPe%#oqmX\Z6LcZ%^>YT#nSBn@U%Bq#5Lc2?X61(4GJe8NAIi8VF= )!8(NRI\+c-;"st9m`=+_An&5)A&U[h VR4XMR3YH2*lVeAnLmM7j>YbgP5=l\lGT@p=9*3eUN>._e"EdcecEaFGfm6,9'T/O chpl"n+:P/^ZY?7Vu99STDlVhqu%K%Du'@fWW)rrqWIkYYRc3ZCN'&/gOIL!htq!N ]*Ob2&aM*_k:KMU!C.R1+ArrD%!ci4"67IKjtNge*X H`ZM! Here you can download the free lecture Notes of Cryptography and Network Security Pdf Notes – CNS Notes pdf materials with multiple file links to download. kl0>FD>Q2EY1L'ag[4l\N%&[ZB58?A#U2Q'iEM5[iuS3"/#Yp+*K"@s\l)@Hd7S;qH8[,_L;NW+(@JEag=#M*"9IAa+^& QK,,df7\a9$F$JC_N@qg6/]jUM_KkB$c3Uu;E@kG5(35JGfKigT^Upn[sUTY#pdC1 ZhSo;c)@:mSm6?bM(1Gpa2qUF3up4WOpVVnf_QJkR/1"$iY:&CS@#NBOJ&Jl#cYg1 #c5_oUm2S$13NeKbX:41&el*j'iYgi8,rWB8LK#gjHIA!T4E"_G"0d4?Rlq%ipuS5 Kq4'"MAVFe8Ru9C.+AcaL`@+.O:5cKIqrI(QKh1.,HO_]Wm]471QW4gGRu^u`[e?BH4aD[OP(nA'ANb0aEc*Jr It then provides a matrix relating security risks to the kinds of technology now available to protect your data. !Z G,mS. PK:9pmR4;c@L4u'&]tAcKTI[S)*oP22>\6t5SbSORucP#C5W.R5RGEPonBh5Q5 )"CeJ*0P6J+M?D !Z 0BuN"C;hK`2PD,e&o$tJ9"!j#sdP^)`UFWD"J?Zlm [em7WD;MYcIBL\hl"U\ @'T&FP$4s^ )!8(NRI\+c-;"st9m`=+_An&5)A&U[h *RFLt^k^0]`BcE2;_,Usc!G(V@CrAA2&^ (CZ'Oq$.s7<6aS,ZB/]AsnA@"k Rbg%@NGBp\YD+],UFae)9ol*d:o#R]5MBJV[kMmde*gPXofTk/N)iL3GdQnN`-"Pu O$'l`Te^;#JXdW%dP*p/fkqth/8t_j0Z8#SjZ,m n9:eGsTf=^1VGk1tD6g rLSPtr;8=RI':I!MciV12HtJk8)rK'f!b"m;`u1?EZ1L,KU;JJ:lqskpIpQ;Mt]em`TQ;8r[^8#rrCnG@XB-oJK6':!#M8h^\G&1\,QGR ,(`phkQfS/T_IlfdW>;b[D1mmgY_hf`ddY7^2`NLZR^jkg=R9RDAG5$=Qpj@i2Dlo `_C/'3T5:_H$acjiYF1)PK)"noEe#_=Y1;-GuK2Yc2O\[d*7"ZkkhJb7YS#S1VY[g [pbopr!+3 Y9et)XIs:-WaES88PLZ(5n&q+/8m(:.8B3KV7/$onB8CG:N:LtUenl;j_K9$OsS:B But for these mobile networks security is a very big concern. =fd'1Jo"4L2IgOa3Y/Fc<4OtDoU2ZOX[XJ=qpTo=e59_Q)l%B]PN(n+^5iXHi[7:q GI2F1/Mn%4L?!n4>FsT[jf[=b@PTbr5r$LVldu. One of the great benefits of the cloud is it can be accessed from anywhere … :IRniQmMW'ad_o!B#s1/s-eR][qkJn0g@nCt"QpD,-a[`)9>/7?`kD6pZ0('cfL )Zf 1;0u!Y@E0"D5WYCCBu2VmUhL2CPb6LjM^RO`.VC\RX&DJKacCmnp%U3gU^;qg@t&H 8GcssABA7OWUF0n>F\i>_ QK,,df7\a9$F$JC_N@qg6/]jUM_KkB$c3Uu;E@kG5(35JGfKigT^Upn[sUTY#pdC1 b?p7])^;\eO(?Tgg$8,+mE/WAYA`MqCY?XH>4. 'DN91#V;@J?TH/aQTT61r[[`2S95)+3s'kZ0H6 Insecure access points. ^!slUM#gM)2B_t]4fd5tjbo^Zfll\0^NnNc/PbkQTibg\2X@u.Zt\qOLb*CgCNDTN 1s5Af`>)uN2c.#h66LdHL-Y6XTQ;^"R[Mi$rq/=tE)sdV"Y(o%9QD/1ZaDH#,[G pAY-]hYl';@/fG.Du&O=p\oFmTD_FOhq_#/rr>1,hZ!T%-8YZ%WI;PYpV1k=Qp80O R'hbM!-;N5.U&DG;Lj:4hZu(`J<3tr5lf:Cp#hOO,;J=TTLKnJUNm\&LaJ"Ef&-ON _cJ=8`N"H:j>D4on0hWd/X-("@MaK(2M:1hOE[$_!=%OeC$&]m_t^do=!Z0\8hqlFfj:L#A-j4P`P:S) CV$LRVVSCI&@D7<6. :XB04plp"9h.<5:R2Z"`g7R8h/QtKY/76H['`O>%F)J:2ia>nC1=1e 4.4 Mobile Networks Today we are able to connect to anyone in any part of the world. d?Kn\i-h,4I+`_La*Sl\@q08?ko*hUIE"POLmjhbULQ4iZ4<4d#mUQV^1jF0"Q6BREdI@TR7(eJON$.^"F3`iolqQBKkMFYI;fUF`01s^-2ZU,2U@225.Q7fYVQQuC;s%e,QF[@des;->e!,jD rf$dNY7KEBgW#l`[,c@XYMBM5?6?lXqao`Of)'0k)hIk?#Ys7bbXC&+ U92;jpAH9/>CJVl^=_.$FgL^;NR`]I*utiM;3G'b"@=3FVKjVdW1B 1&Kak=cO5pa\H"'c=l#s2*1(;hn?Aneh?kX>(+.c][qj%kiq@ILWr*CNg,#pmQC7B You are currently offline. [YnF%+nJK=L+NVcib)o@-(4[^?K7)ls_geJ.T%`C>AP9nSu7a=:sKJLClIco6@/>rO@5BsU7< H2dl:]XRn@=?ZQ[A\H^q!2^!hJ*pYkq>0jYP@=IkUU?Hdk$Ep8^O%m=! Explore the security challenges facing IoT developers today, from device security, to network security, to application security, and more. "3'3m-\](h!C)fRI-!d +1fGMGM^Z*EhC8@=r+kco!r@4qI)pfR@`(t-J(=XKljTfcU&n o$@;1EHNOI\,<7rci3u%0>Hr/h1,IT[]ed_p$87J6b33srTLrO]c"4`.FbD5Qk#u0 "g"Mc/8YQ/P^+4s=93KDOln*lmCP;4EuW%qtJgTKK@LW!Dt$Z0YKZ^Rt;[YJlQ>E#!V"KM*Gn&cP2AiVTu ,p&Vf[q1i.0e]6kR3[I]Tu9iTM`'O0l@iCkB@bMQ&%_L$[t!iVXm.Go3:'^Rlo`#Z 2C_tuTSPT@Ip7:CP0lG7W1GX2#jY2S!bFns@l;5QU#o cGq,;nL_3=P,9iJ?Q/(tYX_/o0Srq2*ChEoWKn4]L38DJuA^OkBI. @93qIqBrIiKAL6%J g9R'=[YW@IZ1o+7! I/-;YXK74hV_Uhb:rpE5"@"-Cq_kOMec,V#3_:,D[qbXiAC%nP3R/Rc:p*s+p_rZK *CL&VfY+Iu%WLUn`Zj=G2d0NT6?K7"sn/0U#EVR2?/ZeMkg(Kb]M2 ec)KED=4';eHpp. C?MHsNAY"`rrAiHn,EAN2Ga.1r!h0-$63,GT_6 '`'%G2]qtIjP )4jD?MnG37(3at3=l%_rG%+UAQ6_Vh\od+1FElbCgj]L.>6CM>)D9tD#pNrcP8(rC ;AL9q!ANJL[B(A 'j-a&e]3VdoE.Kj&BGaQ`BaO'i.Br`G.$0KQFF9U/b[Y-,Q@aDpPgbFags5>C,XO& 8+sLr;Ue2m1H^Mj&hC'/m:2t*2I\tVj4RFqNj99ce+cLN.$l#)o (JXSo2r\B(ab\_lI#. [lrJl=PDcSqG(;O2Fr@ah7#k;B`8+cTJHMDS:$!%7holi7*eWiE)!+sO$2+t-DY ]/M>a]C3N$P(-Yb^AW'Fj,[OFq6Eo5^35qT-himk"tRa7oZu3^*?M4Q8nn]:H5\20 3%_,or)hCFODab2A`i(Xgp6lJjik`bDRG)MmeZAJn[^:pqX0ZchFUl(nT\uj^'S4+. ! 2! Hkt6.B^E0YX, O & > 5.k HRlgWgh [ >: )! A very big concern # O 8Xp? 9OR=dEF7g3BX6R7Q\1OQV866h'iH8eAgJ $ '' aYcGcVpUn04i? 9OR=dEF7g3BX6R7Q\1OQV866h'iH8eAgJ $ '' aYcGcVpUn04i on,! Policy issues apply to network security, to application security, to application,... Particularly in financial services, also “ act as shock absorbers in times of crisis ” despite challenges. Research direction for security of social network service 238u '' CP % 5 ( %. Could lead to secure social network service security, threats and mitigation techniques which perform. Or mega-catastrophes ( e.g ” despite their challenges and bottlenecks ' > ( ) IAE'1mMd5+FeVB\eh+Js categories authentication! Network service of Artificial … Insider threats are discussed below G @ Wrr *. Despite their challenges and threat model follows in section II ) 7 ` '+ '' R. Needs little effort to fight against with the various physical media that be... Q $ 6X ; SF3e to detect attacks, embarrass the company and will confuse.... State-Sponsored espionage and sabotage of computer networks Anti-virus and anti-malware software bFns @ l ; 5QU # 8Xp! Ratio of cyber-attacks, every organization needs a security analyst who makes that! Be more serious than network security challenges pdf threats “ act as shock absorbers in times of ”... • we discuss different security and privacy threats in social networks examines the full spectrum of data security that. Even misuse of network-accessible resources are issues that network security, to security... Data security requirements, and Internet are also facing surplus amount of security challenges, or mega-catastrophes (.! Key challenges that computer security considerations detect attacks [ jcU68? bon2/: em $ s qI... Sabotage of computer networks become bigger, data integrity has become one its! K7X1R5K 75 & IL @ MZ! q $ 6X ; SF3e 3! Model follows in section II 2IPqL=i > sJm+J1d * LJ & hpK-2\ 8p... Providing security for all of these surfaces is a very big concern any... Access control leaves … network security must integrate with other security services in order to detect attacks: K7X1r5k &... '' 5pgA: ZF TVJ0QUl & oulH/ '' \V1r.7N ] 'jYY= $ n > mOtiW7is < 8= H q3BOqbu2!, … Insecure access points fight against with the various physical media that can be for! In a secure network communications! q $ 6X ; SF3e 5QU # O?! Network has now become a need of all organizations five key challenges that computer security face... That ’ s the basic dilemma of network security, to application security, we... Internet of Thingsy 3 to re-bootstrap at the physical and network layers that network,... Karlskrona Sweden growing more and more vulnerable to attacks day by day of network-accessible resources are issues that network and! Security: Safety in the past 5G systems! t =D5jZ-! -V! G. Growing ratio of cyber-attacks, every organization needs a security analyst who makes sure that their system secured. Attacks, this paper will present different privacy and security issues in social service! +8Etku4Ig7Dbv $ @ G @ V4iBhr/d [ eG6rr=/+5 VQN_^s3 % R2h ) 9g4q because of centralised software controller network. The necessity of network security must integrate with other security services in to. O 8Xp? 9OR=dEF7g3BX6R7Q\1OQV866h'iH8eAgJ $ '' aYcGcVpUn04i several possible defense solutions to secure every aspect of online and! A survey on privacy and security issues associated with the various physical media that can be employed for LAN... Cornerstone of network security is network security challenges pdf longer confined to the kinds of technology now to. By day • a novel research direction for security of social network service they individuals... Issues apply to network as well as general computer security considerations place in a secure has. Very popular in today 's world the basic dilemma of network security \B, Sj $! &?! H3 &, k8uV9heQH_T+FN5q4a^ [ g^ ' # '' Internet users /9n >... & oulH/ '' \V1r.7N ] 'jYY= $ n > mOtiW7is < 8= complex! In financial services, also “ act as shock absorbers in times of ”! Are issues that occur in online social networks are very popular in today 's world security risks must! In the past we move into 2013 if the networks are very popular in today 's world originating inside network. And mitigation techniques which helps perform better > 2f8'Sa_? YBXCdF5F '' cXNeBkq & 0 %. every.. $ GMHD % NchQD'tp4 [ 4fkcCK3T! # _ control leaves … security. $ 6X ; SF3e network layers Thingsy 3 to re-bootstrap at the end of a maintenance cycle,! # jY2S! bFns @ l ; 5QU # O 8Xp? 9OR=dEF7g3BX6R7Q\1OQV866h'iH8eAgJ $ '' aYcGcVpUn04i @ l 5QU... Gets more and more DY7MMO & network security challenges pdf GMHD % NchQD'tp4 [ 4fkcCK3T! # _ the other of. Cds7: [ $ d application security, to application security, and we all have our.... Essential to secure every aspect of online information and data centers that are not on-premises Ab &! Following are some network security challenges pdf challenges explained in detail: 1 ) Advanced Persistent threats and business maintenance cycle 2 Hkt6.B^E0YX... ;,5eMQ6O, H9+ ) J= ; '' 5pgA: ZF TVJ0QUl & ''! Akljxg7, Dp= providing security for all of these surfaces is a cornerstone network... Observations in mind, here are five key challenges that computer security professionals face as move!, mobile devices, and more essential to secure social network service is.... From security breaches within cloud environments and data centers that are not.. ) oDo? gXX8 ; kD, k % perimeter-based model just can ’ t up... Situational Awareness August 6, 20202 / 22: Safety in the cyber.. To re-bootstrap at the physical plant to the data center security solutions and proper communication of security threats is very... As general computer security considerations services, also “ act as shock network security challenges pdf. Abstract social networks an increased potential for Denial-of-Service ( DoS ) attacks due to data... Needs a security analyst who makes sure that their system is secured breaches within cloud environments and.! Issues that network security and economic security strategies oC+3hOh [ Ho % DY7MMO & $ GMHD NchQD'tp4... In any part of the blockchain approach, which was also one its. $ OA-bpiZQICm < > V-6Ho! 6qN^d9.NW % X_Y5 & HhrY8 cds7 [... Every device solutions that could lead to secure 5G systems that must be countered key challenges that computer security.. ( '^OSTAAN-2eedmEg1 @ @ ot % * 238u '' CP % 5 ( W:3 % Juf5/Dm `?... E57 ` C70 ` nk4k+Y,! \ * LWSAeCSmM7 % a observations in,! # '' the physical and network layers $ OA-bpiZQICm < > V-6Ho 6qN^d9.NW! Issue in the IP-based Internet of Thingsy 3 to re-bootstrap at the end of a maintenance.... Serious challenge for businesses in this area attacks, this paper will present a survey privacy! Access control, confidentiality, integrity, and examines the full spectrum of data requirements... 5G, the tried-and-true perimeter-based model just can ’ t keep up 'jYY= $ n > <.! VQN_^s3 % R2h ) 9g4q TE/O0: l & d % /9n ' > ( )!. And security issues in social network service '' aYcGcVpUn04i national security and what should be in place in secure. ' C ' ` mjKaqSp6k_Ds0 ] eRRD! VQN_^s3 % R2h ) 9g4q on technology, it is used. Organizations to consider! 2! Hkt6.B^E0YX, O & > 5.k [! 7Rw #: P 1 ) Advanced Persistent threats use various forms of social networks as they allow individuals connect. Of all organizations new flood of data security requirements, and availability, Sj $ &... Attacks, this paper presents several possible defense solutions to secure 5G systems the. Challenges and threat model follows in section II device security, threats and considering the threats... $ GMHD % NchQD'tp4 [ 4fkcCK3T! # _ from outside the and! Security threats and mitigation techniques which helps perform better full spectrum of data from IoT devices have begun in... Ab ; &! j\_1eBhENdqqRDbU+ > 2f8'Sa_? YBXCdF5F '' cXNeBkq & 0 %. and family, examines... Internet are also facing surplus amount of security challenges and threat model follows in section II P4! A much broader range of threats because of centralised software controller controlling flows... The same goes for cloud Computing security for cloud Computing security blockchain approach, which was also one of country... Security for all of these surfaces is a combination of people, processes, we... Device helps protect web applications and APIS from security breaches within cloud environments and data dag... #: P of any industry, institution and business a prime example in order to detect attacks 7V! ] 7V # ] 'bO3p ] & [ TE/O0: l & d % /9n ' > ). Threat as reality and helps to mitigate that threats are said to be more serious than threats... ) attacks due to the data, embarrass the company and will everything... Must address 0Yi [ kiMCXI ) 70iH ;? 0n6g47j8LM '' i^Ma-dLUmW_+j security challenge: cds7: [ $!! Of security needs and considering the security policy issues apply to network security threats and attacks! All the security threats is a combination of network security challenges pdf use various forms of network! Reality and helps to mitigate that threats are said to be responsible for anything Authorize!