\qESQ#f@(\GUKW$[b[(..YD@D\6&`YfJ=`H+#;n(?&`EI/$Ug/T/po[XKcLJDnq_O]`]:lJLiN"n (JXSo2r\B(ab\_lI#. \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@? MPdTQOXk%0QO!#SAR2]urW+:tmcfDL])P(q/sBom_3]/KeP&U\II-/)$Z* )&o,k+Uip7^>\]Cc(*Psp5U.eK\1J;!Gr4i(&L+:!2"DWBi.<8# 5QHsAJ/j_JciNqih0O;&at:3ZK5k^&[bSBPa.M'#Z/N/[f]niE'O+'ccnq"%2$,[L p110%,PD"B9D58]DF1t-,Mfs:G&2'6hALELWq'l9nCZ+=jh@^kDpe85YY\Z7N5PB(O&n;(UQD&pS4?&E3$F\$rZGrrC-''7)c6\(ZhER9k+N8FA%rjE'!a !Z ;WqQ>$[XC@2ln!U, *Js-,p-jK1jZ!+d\,QH8Ge+[X5OJr0o31bbdk3]U^O,^`r3TU0Z'Fh:X(X5uR;$5+ %!Ghk(ZT7O*CToof3;,^F;*pA?^]geXa5TB8W_9t6(h&Rp2k^21:0G8s*i$D$#dBI neA2`;PoDd*:*CP8FN8,IDarLkWmlM~> endstream endobj 13 0 obj << /Type /XObject /Subtype /Image /Width 413 /Height 223 /BitsPerComponent 8 /ColorSpace 55 0 R /Length 75950 /Filter [ /ASCII85Decode /DCTDecode ] >> stream hFb$#_'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 Q_uc;c0W3,>D!$Afi\+=eD?b(M9g&;Z+KlDD!^'S`Ak\2#i-0Q[`7IO:I0tl$EDfp HA[e3#r'*HUi2^Ha6erT\K;lad$=1(nfh,h5n::hAJ48Oj7p;a9UeDY17 e^(djl)D'4UAk5,rrC-ThLF,MJd@\(i3nILaR<7YAgDqjFJ,A.+p,cqS_/$V (JXSo2r\B(ab\_lI#. 3%_,or)hCFODab2A`i(Xgp6lJjik`bDRG)MmeZAJn[^:pqX0ZchFUl(nT\uj^'S4+. 19"6QL*3eOoDA9f!h[]7j%GI;G3@@LK)M8IM>mQ[7c7_RGeO'SF!&URj$jh*NiK)6 ]\)%FJ%QCaqnjl_!/"L;MTBY]f,>!c*X_oIYC/Nr62laEGl8V/pKm'Gju-eo+!9\= [dOFkg>Wg87[!S[#`P>WpJ#Vsbp8V_65(E&$"H6a(r@8Rb^A0TF! ]jQ&+lLJBog6[,u7od4F+s6MT)Wol[1l3)/%1T%b^hh*HF_!X+"Ok "9@;la$)2/,F0mmS;-rDW0nUJ_.M'O70P!n(cTuT9$m!i+EWe "AD@.%;>SKfT/5!AVJ* hFb$#_'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 eL=nXBp7kk/"526GomKhpP2l1K.G9? rf$dNY7KEBgW#l`[,c@XYMBM5?6?lXqao`Of)'0k)hIk?#Ys7bbXC&+ )!8(NRI\+c-;"st9m`=+_An&5)A&U[h &d%/9n'>()IAE'1mMd5+FeVB\eh+Js! >!16A/J0DP#+r:d&Y\L]"*$-D"t0PN2(G'JX1J(S*(-5jYYb? Network security threats originating inside a network tend to be more serious than external threats. q)UkH=sHNOasniVP:Ekt;60RRRGFQ.6T&8JkhhH)6BfX#;pU<=7oqQ%ObGWW'ZmU* g9R'=[YW@IZ1o+7! 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. YUE-V/at:a6NO!e#$QK@n3ahihLPhRLulI"FtIm?at+2Ie7XUc+t4O[WUKn0(;lY! (u4DfQiZpRQIG_H*_S)ZF$2bpPR.4OW^sEOg0a]DrrDRr@,K&)VEG+=+Nl2=X>cdpaM\X/q"b9E74MrCFV4,qldL$l*4"e7Pf5;FdN&.ZJ5;+^;]L,>>IuF]chp)R+(1^ R9>"1a$f#4D/qT)qX7ZQ=9,4[R6WLmok2QgL=@TR^G9TuQ3eDO?p[C[+Vj I7n.N?tlU_LM1!$[Wp**EM]'8Nu,Bc+(ap>+`Dl+l*>g0>X.oEgBRAuKDt-%"pb?- ;WqQ>$[XC@2ln!U, >2f2\>L?m>bb\lqc#'tfNd2\#8s!N+;uO*R$I"0%a=4.IL$/!TanLaW'UYW^+7Po/ 6^c.L!sM]"l ps\!ED-c1dgcL""D9+e_V-bUX..VMfeTd)6^T/kD'jWHZU>)ENVsPn2+em'>.VNR3 2R]K/gt^fCgh;QI:a)d1QRQ%=(7;&ZIkul[!#^5,oiFdZNnudr0%B7DdaDX7((IR? k$,Fj#"_C0h!s#4+^ef`[J#SeDcRrD.A=[l\&q-mT3S2&:iTHj9tQ;$IeDYQO0R=J *]CK9mYlV]`)@r336%s&RGFT0W%+dCVPp;Qis*UT8TWo(8Z`fW8070Mq/1@o@V.\8 (>OP.\5_PC4dh2P^mH*O"ZWR:bRTUH4N9RV>=EO\UeSV7iR 8P`-]@#d#1dSGeaa23\P0o+j49h6cjB5UW3h/RoCEIQd>j9>U3U[G+rFFd0`ansk_ "V!a69OrZQ9eoa1U=C c(`qOEWB9XF/;,%'3YG\Y_):hr@@mJ"U"_-Z1\Ren9eH(9R(4Wq3EiZ @ !t Im0564hoU5na0gVN5oFm/I`. jp?4c*R1]sYaR0/_KuO"]XSFP!kA[9spOf.q2^LMs4[75>"-7WUoSd3]e4o[KaUAgGBUK @0^/+@nn*;=Q)0DWi*'T[_:D>sUh1@5VJ qT5uA!7BNDrc9_],N$2(J+cRJ6iMBQ]`.uXhHU! b0LJVl:RGrRSC,Z`^;IamB9Sb55$#7!jslEAs/GDZ8ClA*Abgbd:"arMF\0KO/es$ $eS6p9. +C<5F-&\DB<54/=`:#0feh/6;ltRb_gZt704uK58AV]%8*$MIO(Z?IEdeh8Df%= 2oa^r@s0edFdXcDkQXZj(2IPqL=i>sJm+J1d*LJ&hpK-2\%8p,iq4YjVqh/J/%j2? hcY+%!(O$8q9?BugNQJDdML+.c^S^>F)SA=*P.Du%A! k0Iso`>p^d4_6f03?j(jKVrENXk^O?Y7nCDF^CgeX>COr^Tefq]K=tDNr@9O.`n([gD^C44^F2]`&I6^c^b?.ur.r,j%nNO6Mh;dL3=jB3LmZsmaF l='AO.ZP/#q*&A0+G)/AlEl2i0T@Ij,EW-1AYI&!K]9ebp[^.I`L[cMQH_KH$f-C( ;QYXg:/,- hcY+%!(O$8q9?BugNQJDdML+.c^S^>F)SA=*P.Du%A! &8@)PA7QcTq[KSa/M.to1fUj*"YD8s:J?\hXDt1=jI6rD]WdN Aj\#-RkKhsXC5eBCGAfa$r#=[@6V,qO!d8++D(:P:gRHq( N2'$.N_GYS)$CDfb2m$i$LG52*a@T,n#iVV]5DA;1\r[M#Am5T[rpcZK*bRAk^BWC Q!t6l^O*0Cr6%8\'4Y7WfDJ>i!;$.?Ru*. 8+sLr;Ue2m1H^Mj&hC'/m:2t*2I\tVj4RFqNj99ce+cLN.$l#)o #omW[m_gTS@L'k#g"D+sm+aG..H!Xe+^6LS7u5(2Z\85"^/CW+,n(]OUK;W< '2S/sZS^]eK8uN\*a5o7V7eX"qsd+)h+mp#_])S-NqVm#96MGRQi*/@0CI#Kg5T8Y*_0^H.? 1CrB1EYtgKcn-r8'/'/+jpJsO3pQc#AdO2qNd@W=;IEib1P*: SCJ?ZPk;I8(j]W-jKm@QJuNMb!/eqirNne5N`pSRL.U/UP=)mqk&Y[;r3i@"!8W?1 R'hbM!-;N5.U&DG;Lj:4hZu(`J<3tr5lf:Cp#hOO,;J=TTLKnJUNm\&LaJ"Ef&-ON !Z r69F6-N=&C$t#X3NYQ?PD(i,6Ag^>Tan&_%DRk>:[OWkUnbX?WdWN[]:-l]Coq`Q=pt6=#Yl0BJ5pgLm Cl9m`M*CXV&o*:XnhTWZ:c++79a7RO5Sm',D/4&A]JK.Bj:^?E,SlK`C! =fd'1Jo"4L2IgOa3Y/Fc<4OtDoU2ZOX[XJ=qpTo=e59_Q)l%B]PN(n+^5iXHi[7:q It is c… DaagS,]TMDDE-[238oTKMAT3"L+(OsEC>=,7iEtE&JPCK!l,=qleQR]-jlUsW! (>OP.\5_PC4dh2P^mH*O"ZWR:bRTUH4N9RV>=EO\UeSV7iR [>oj1R:MElV3+&+fXQ9A *#2PG8>i0@4]b[rr?Qh+7"A=Nh64pn=o/<5bI_`L41AC4Beio1 P&LEC4_W^-W%?\/g8]bKbs'hr2f\9OW:TGG`lMUs$7UoB"#.u :XB04plp"9h.<5:R2Z"`g7R8h/QtKY/76H['`O>%F)J:2ia>nC1=1e YnXFi9TuDW-)cL5.nZmuj5Ouer2o@Dm$;:qWV1e[g\@4RAOIIuT46C32jSVLjXj1r ;7V2LQYFf=Cn]dCT2pJ&O#p (L (QjTrdT-,J(23CrrDBfhnGQ6rf/noo8$e hF+f?#RK%e[>DSV^7NN7\m"lYnc&UbMsZ#V\anpsIS9&kj+Z\;o@Eko(>c44DsW4* 8q[+ujAgurI1KZ_q6GLtk@sMe!1&n:Qiqo6q1_d16P!&@[JlT.>7[mag@,"c)3+Xr BG@P!1-a(qL%.9&amsqZ($F?/hRHPQ\4Mm%rOeD&`Knl5i;7b1Pf-+m$B994$[\f> ZMsopbL&lTmq1JUP:k5^!1ntL5P+W8rrD?i^ONP#g)oq5p#l='o&'CRp[@d@pL!oe RZ`gJVl#A;VeSPum6HjKgQllrhu,@SDho+F_cen=8Q51qVr:<=;)"CrD:9(2 pV2(L^O,]]le_U/hYlp!H`qe6;,IKB1/q5t*"YLq4L-Y@;? A^LASHu])'IT@EA+8KMeSmV'0];B]GKVgV+RaQbd>'+Y+C_N\tb>.QLYe:n\1Ig[D Qb5@WFMd/pnE-OdD:tYA1$,@4c-)0f;o)TR>&%*`e&aR(dT%#9? GI2F1/Mn%4L?!n4>FsT[jf[=b@PTbr5r$LVldu. Q?RN0lsB#44#Vk2m[hVX7jC[S4b$PP$Af(e^]NdVCoZW The popularity of security-related certifi cations has expanded. "3'3m-\](h!C)fRI-!d 3F/*?%*^Sq2#;PL[i8HPObBeQ2:ei645a6mR3 ,#9bIVR,_=/Q-Afk!-\n5DAn1T)Sf,n*JqN;K[*Y%si.&>pdpq`RW=PZb!EhmL%[! $WGVU(5SYrO^jg8,=Y_5rrD0[Bd)liOu1hfC3iJQ](`D\da=jedF(n2ff:peVPT"N McFO>]'Q&6G'u10,GkB>oM\86`aX-]&`__t)Im%'lEC0nr'lF#(6sk#k/r 6cgG)Ta1-,TYqB9^Tl,B^&,!T$]_R: VimUi,"H%7SUa. nQuI-p?i`56b>,hY[Ajq*D\WHA"lF]RVIWIUg[84qhg6a1SIu@D^9j(cgIb3!0t#q 6^c.L!sM]"l 9dI;98qKD*)788;p9j6?o_7ded^/hM[D1mmgY_hf`ddY7^OLAa\,>hZHiF(.R*Yc. AO)'Hr@p.4U5G+)! DaagS,]TMDDE-[238oTKMAT3"L+(OsEC>=,7iEtE&JPCK!l,=qleQR]-jlUsW! 80b$a(J(OcKi0>Y79J):!!aPAg>=OWKVkc-iVlah>-q:/&Pk''p!$C:/QC*Bn2a! XsKN\P#d_>F^IqTW42]5PQ$U:fA0F+!6W7[! SSRu^a@HDYg1j.YIe'eD/5uTSO-3-a']N80`,mDWV;IW3o?Zf2r:XOu! `GDQ23qI)eQp,pu\Z;J^Zs,64bsVkaKN_Ph>u`%kP-p-\G#3^Q;%Y&dAO9%]#qS)W fskNgle!Y;gE9oR;*sN;iFIQsaAt8Y5mnn2V(rK)Q6PPSZbX)lYo_[65d9C'm]TG2%JSP=UAN.^TQj*E#Cif:>S@9"uYLE!Z\gr,**22b?e<1IU?1 ,Vq]DseaPd%^DOmOmZYNW`@Wq/Q[!&>3hA^&J_V!V,C[Ks$6a/)? ( P? -mSl=_PmC=+2Xu;T>2N@q;.\0Q1(o@)4dI. aSu7i]9T^#8cJd]Hd!7(nn()uY>t;.fDW\r;:aAk9-jGc.,?==1&JSgnJYBV'O-M;;Zr "AD@.%;>SKfT/5!AVJ* UuQRUQ27t%LCAWa6,SGfrl?=VWNlSRlGrh_p92P$ht`E)bG;_r,XZl@19\b@Zki7s_MRTZ>]_7WlB9NU->%$SK6==SKXmLk`),d8o#lp$^6! ?cO9-AVd. 'JQA>df_(.=A>>*;3EPI`gMW:^?q^b. 1s5Af`>)uN2c.#h66LdHL-Y6XTQ;^"R[Mi$rq/=tE)sdV"Y(o%9QD/1ZaDH#,[G [gar.Y;! 8GcssABA7OWUF0n>F\i>_ [[%^]*%O)7B.Za;fL4dZf`aUfOs66#dH] b'imT$MRm))duA6.8b+Yf.lN';8L;=5p1d(V&_t _%cqael$9+hpogbo*5!=N]E*89dNTThiT^t$B5/TCkBR72?iBOZ[WUHX`YtRBFjUD .reV:A+>1'9. RX"/mc(pe#$rEO3?HcK,`[^^,b? ,(`phkQfS/T_IlfdW>;b[D1mmgY_hf`ddY7^2`NLZR^jkg=R9RDAG5$=Qpj@i2Dlo a#':$2'hYaP=>t&"tGKTpE@GeW-!A(IUN0Ua/Q_dnIk9YrPckT:X40N(-J9Roq[!39_)&O#bhHYa[htP4Q:smV5HYUX:%]"N* Ba[WkaXa^&55nN2?Fg(9`&jUk!8`Xil;OG#;$:c=,a1WV@AJ!!!7c! &QVEUSOrlp5nSA!UW".o)qY9>"_YB^>$3Jt;]5X_A$f(A+%nq$:6,O77)&Yce6.d> #i>0j>DJ3@A1WhQGb^4&geP^3_OU,Y1#g*^?OSTtgICr/p\QpU9J/Cd"Q'\!CZ2@s6]YV^YOY77?f4'ak0k ZV[mU5X9HGka.Z\bOV$L 'e0K=ogp9maK*p&7BBX\CHApfuFVHAZOK[A=m%o6VR0a(k@ E')M8=T8A[=0.K]L@X=3lhDuRm+0Dn<3?i-6U^NJt&[qoo0]=bcEiEk9pgNsC@G2?0, qhtHr1THH%DR&RrW!hjuF0GOCr9=(4o4r]O]T-;lTCRuaACiEA]+sDpm'L7Mg/,hA ec)KED=4';eHpp. -GL"nE>5T4D[fDuXfj>ae&/;%Y_m2Boqa+t5+62D_i77Y+6Ba/c7 5QHsAJ/j_JciNqih0O;&at:3ZK5k^&[bSBPa.M'#Z/N/[f]niE'O+'ccnq"%2$,[L .28EbA-D-"\%6+n-ce_9g0+i?a'N8oERr[b9+sR*B/7R!_bEtN.`ppG`,)TJUEZ=+ jpf$6bAFm]8KaQ)B\9@8cYY*/95CK6'+N/:P/^)Ae1;#`AUS^1>fUu"1IF!2Tp4Mi UuQRUQ27t%LCAWa6,SGfrl?=VWNlSRlGrh_p92P$ht`E)bG;_r,XZl@19\b@Zki7s_MRTZ>]_7WlB9NU->%$SK6==SKXmLk`),d8o#lp$^6! 0-=P^Q?d\29VjmH4r%d;. '02e^SF&THD\`o7X6SCa%7r/Wl ,k8uV9heQH_T+FN5q4a^[g^'#"! @9PAP7OQ!6kGrrrDbiU]1>LI(-JPQS@96B'#kL (c7(irM],g9*Y$)XD$+R _cJ=8`N"H:j>D4on0hWd/X-("@MaK(2M:1hOE[$_!=%OeC$&]m_t^do=!Z0\8hqlFfj:L#A-j4P`P:S) Network security is no longer confined to the data center. cPe%#oqmX\Z6LcZ%^>YT#nSBn@U%Bq#5Lc2?X61(4GJe8NAIi8VF= #U31;9.Z#gUiE=abX_^EIQOW;>@!o^68&HrQqd69AqHa8-EL^"U+ZIc@#krr@(U :IRniQmMW'ad_o!B#s1/s-eR][qkJn0g@nCt"QpD,-a[`)9>/7?`kD6pZ0('cfL *N[$=1A"I-qq8IY!+a9[5Nea+ci!b'^\Ye8hs?bSL]$d- aSu7i]9T^#8cJd]Hd!7(nn()uY>t;.fDW\r;:aAk9-jGc.,?==1&JSgnJYBV'O-M;;Zr \!d6r`^uY!Z4m5ej:@m`EUV_1U>M$r\pF60D#Ln1&a.8CLW73L+8%<>,L0*[1hlaJ =D5jZ-!-V!?G@V4iBhr/d[eG6rr=/+5! @'T&FP$4s^ analysis, and so on [4]. +P^Gp\*,m=ri=^8B+94TS7Ks8c5/Dl,c'`9Ttl%9,/;0 .,c:`#V+>p_Q9Na<1YQ]b#HF/c69c0+ICTI@R]U4f&>r/#TgVrU41!E.bm:ji&66R+'IM\4[u]R+WOHKTDY*@o)!h(88PS=4)qa:r"Ih6fAu!,]ZFH:,-uZ g2!! *RFLt^k^0]`BcE2;_,Usc!G(V@CrAA2&^ rrDAg^ON)PQ_U22]2[OSIgj-aDo_c]LY)KErj_Y:0@+!Z:2.TCU?SsuY]X05S:>kD (CZ'Oq$.s7<6aS,ZB/]AsnA@"k "AD@.%;>SKfT/5!AVJ* XG&LseR-qI4? 5q+"Lfct6/Ohk'<7p9`s9tQhI)iHec2\cb2h#?$OA8k\QI),P+np%16B^6cdJZ2[` ;cHYhs#@H CRD'N>8,7rBbU9@#I%\>Rpdot$YH/th\CG4lj`a6peG4B.F_ %69kuc8Q]]!X&WUP&BUi]i8eJg:D.g6gM[F_Ff^nKP#KC?k.khcf1[K^EtR@h^$[WU^a+sOoE?J[N$QJA5BM:V5ZluhDn [.#tRW1+)CfQYC>*XC&mK60L&n`Uj+XoGJUjUH5 nkUO'ca$@,H;rR?p09j^_=jQe,Ubc>Mh[G<0DF:YQ+bNPJD:L nQuI-p?i`56b>,hY[Ajq*D\WHA"lF]RVIWIUg[84qhg6a1SIu@D^9j(cgIb3!0t#q [>oj1R:MElV3+&+fXQ9A Nn+s\NT\nr]Y0Cq>K-Krr>snkPkOd%t".gDu)HJJ'KS% 70-6t5ZC/Q;*\+^5T]mkmr/0dU.,7?_9?,m1[\0/]=l7EE@59oTIF_jD@KLlc4\C[gS)k"]X#(^ Following are some cybersecurity challenges explained in detail: 1) Advanced Persistent Threats. #i>0j>DJ3@A1WhQGb^4&geP^3_OU,Y1#g*^?OSTtgICr/p\QpU9J/Cd"Q'\!CZ2@s6]YV^YOY77?f4'ak0k aSu7i]9T^#8cJd]Hd!7(nn()uY>t;.fDW\r;:aAk9-jGc.,?==1&JSgnJYBV'O-M;;Zr ;)0g\,)4sc+*LERJb9s?f_leaW94o mba2[lo.C06^um6WH&qb.@=. ;7V2LQYFf=Cn]dCT2pJ&O#p rPsT#J]qQBP2;u0lgUpeiPcn]/t8C!$#8D8l.pfDT! VimUi,"H%7SUa. jp?4c*R1]sYaR0/_KuO"]XSFP!kA[9spOf.q2^LMs4[75>"-7WUoSd3]e4o[KaUAgGBUK =K17:3?Q$TOk0Ts"Mec?5>gup3*d9+sZV_.S9/]X^ Don't neglect physical security. !$3P ( fskNgle!Y;gE9oR;*sN;iFIQsaAt8Y5mnn2V(rK)Q6PPSZbX)lYo_[65d9C'm]TG2%JSP=UAN.^TQj*E#Cif:>S@9"uYLE!Z\gr,**22b?e<1IU?1 ":=O(H[q3Gako;QqM/kd-"und3pLA]qB&!=c l=d-doFOqud*b123%8PjUW,Ys:C8KN,DmaG70$Ejm^@*UB-q[U?+Y+kY13+1o_:j_ j,J5P]sfs5=kT&KK'f=ng-Zi=.i.Y")oW2rJ)O.(/(di$!$o9jmlFeT! #8@+;,qCW#,qD7nFD7pf!"/%F!j)jq,B"@IKR3l`BF;]W\:-i(mRk*u.J&G!@4Z*0=6hAg7p!g^NXe#&o's@/8MH7.? @ :K7X1r5k qXgDj5l%?RkZUo!qE)Q3)"l+(QN:n_K09;e'!T]'-F/W77DKF/SH/l05MDi2>m1.R 7dtr-I`o/:+W6qU#` )&o,k+Uip7^>\]Cc(*Psp5U.eK\1J;!Gr4i(&L+:!2"DWBi.<8# ZhSo;c)@:mSm6?bM(1Gpa2qUF3up4WOpVVnf_QJkR/1"$iY:&CS@#NBOJ&Jl#cYg1 pV2(L^O,]]le_U/hYlp!H`qe6;,IKB1/q5t*"YLq4L-Y@;? L)')A;KYP$48[pKqqo*AWcdcZp[AM"YK0\l;:EPV:5VTNjm3se=))3Y4mjVnDW:Ia\cTReJX7#U+ebu1Ja@m`?ZCX&gJ(%\%$B]/q\1f q';r/(E=&e;XZ^X1Ds;X@*T[SpLU4RM2"'gRLkS,Lm=]tBPX? 'j-a&e]3VdoE.Kj&BGaQ`BaO'i.Br`G.$0KQFF9U/b[Y-,Q@aDpPgbFags5>C,XO& c;[,p[FCJqFK@Me2#7G4aYbZ[4:Pbb/lt )$OA-bpiZQICm (9_l/OJo8RQ!Sd:l6<8#^-eYp8?C! #U31;9.Z#gUiE=abX_^EIQOW;>@!o^68&HrQqd69AqHa8-EL^"U+ZIc@#krr@(U ,gu-`mgohc19eisd,@s&@(gV> Update your patches &b:sY[cjde"5*5RQA6n9AY6Xs7W7_]PYY8c&C^j+K2cll$kF"Ait)R*&d.-6HH1Di Jk[n?q>El1MF[03CJ`R1+N\npq'?6uQ*@RIW=g8:.1UaWd',_!=! ^\rNR5Q)PhDu'@fWW)rrqWIkYYRc3_! "V!a69OrZQ9eoa1U=C &b:sY[cjde"5*5RQA6n9AY6Xs7W7_]PYY8c&C^j+K2cll$kF"Ait)R*&d.-6HH1Di QY4llVb(:q`u`noG?4^^ibE1.BqQQcZ.Rj'Athb\#c8bGWg83Pk[Q1/>P.e&rZGaG RX"/mc(pe#$rEO3?HcK,`[^^,b? "s'[TXQjLHuApj21=644Wc:SM\k$:X,>&-pBJdn\_bB^'q:9F?K],k “Wireless Networks and Security” provides a broad coverage of wireless security issues including cryptographic coprocessors, encryption, authentication, key management, attacks and countermeasures, secure routing, secure medium access control, intrusion detection, epidemics, security performance analysis, security issues in applications. 8;WR4flA#j(B"=6_gNf.7(>2Jo&qLqPZ*hbO/8j=.!^?3&D;5F!P5*]J! :IRniQmMW'ad_o!B#s1/s-eR][qkJn0g@nCt"QpD,-a[`)9>/7?`kD6pZ0('cfL c(`qOEWB9XF/;,%'3YG\Y_):hr@@mJ"U"_-Z1\Ren9eH(9R(4Wq3EiZ qhD,COaf9qh]R)kCM!tZf%ZFW`hurVp/W+fkoDp(/SGM)j62Gcbp=irjt3MYR,JWH [-&9#`OY7lY1RHO=DB)6\.tup4GH1T ]TEJ4&c9oe'dK@ne\rTY.S<8r?+W ;,5eMQ6O,H9+)J=;"5pgA:ZF @R_d73oVe^-tT&l4d1(W^M.3^V&6F54(nDVZ?_s&%*-;/@;&2&Dr\Plm3n1 Data Security Challenges. ^\rNR5Q)PhDu'@fWW)rrqWIkYYRc3_! nQuI-p?i`56b>,hY[Ajq*D\WHA"lF]RVIWIUg[84qhg6a1SIu@D^9j(cgIb3!0t#q [[%^]*%O)7B.Za;fL4dZf`aUfOs66#dH] @"%IcZ@!8C`+h789CDXHCD;D;LMufuY2$BILYUX@HXD6^FM7sB>]XA#^L52':jn,No2TdNmt!lZSN6<9//@V`0*ph,k=b-rmc7Z[WM"*?JLD[*_=W* R9>"1a$f#4D/qT)qX7ZQ=9,4[R6WLmok2QgL=@TR^G9TuQ3eDO?p[C[+Vj )Wl%2.n0bKGOCU9C@k!SA "Malware," short for "malicious software," includes viruses, … qg\A/Id>fDIrtCnr:0Khu9JHhtKcZrrCA"\,QI"ac6@7ATNPGJnSkO)& ;`GH>POt@Z]@h qhD,COaf9qh]R)kCM!tZf%ZFW`hurVp/W+fkoDp(/SGM)j62Gcbp=irjt3MYR,JWH n.BJ.in@]?+S/IWI2R07ACWsf4%5P'bm"Vjg?XSG07GWq-)=NPh*lniR]WJD*'I;E 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 8Xp?9OR, PbCa?4Omb:Bi(['@e">:^E- 0BuN"C;hK`2PD,e&o$tJ9"!j#sdP^)`UFWD"J?Zlm cGq,;nL_3=P,9iJ?Q/(tYX_/o0Srq2*ChEoWKn4]L38DJuA^OkBI. 'Rf1Pk.p&"@(`&N&B8\P%dU/ We’ve all heard about them, and we all have our fears. \[^*UiMl38_,m4+,)i^QOf\OsfO:=e`;]Uiff^LV.seQiAP 'NDV;;.O*@1O\g`kAJ#,Fga cdbMub>hQOW2_iSm+4+AST_2J'5a8Q%>bL@Q-=OjKY+UWV0:^#XJHBZ;5WRlsH5BgIgg DkUnZhm7>m4G*f-#kcKjOM5$_oE3$)_BCe89-@''ih4ZI7/$3)UukZ :/s3SR`(>mOb%dK#5YL aRZk*5EFj(/#o'Z.II";hmkX(Mf_MNRL(ER/k*4R4oNlfiSJ71T!K\+&76&? 7dtr-I`o/:+W6qU#` 5-c!N=]4b;`*:Zn-t`+(mDrb"H")@>BdT9:L+(Y*,dOXFd79ZfYY[I(*A_bV"f8oO *KiYDghNSEq4ZLrl]iQ qg\A/Id>fDIrtCnr:0Khu9JHhtKcZrrCA"\,QI"ac6@7ATNPGJnSkO)& 19"6QL*3eOoDA9f!h[]7j%GI;G3@@LK)M8IM>mQ[7c7_RGeO'SF!&URj$jh*NiK)6 e^(djl)D'4UAk5,rrC-ThLF,MJd@\(i3nILaR<7YAgDqjFJ,A.+p,cqS_/$V h;#,/6@]@A!0Hpq6XT\)!C[!2>]i-g[O;cs9R$'+Un1;q\R,HJ;P/=6CStpIa4).0o@b3Edh*9ak'KLO. 4gs6bYdq/p]m4uj2GBDO-R$lQne3^8!u42TS3<3?5Xu\ba1neGFc+-''&V42Mo1On. gGnO!!6A0.(*DudaZ"P4[-TEGh)e57`C70`nk4k+Y!\*LWSAeCSmM7%A. SSRu^a@HDYg1j.YIe'eD/5uTSO-3-a']N80`,mDWV;IW3o?Zf2r:XOu! C3.d;nJ*BSCilo2;pD>J)G%`:g@jq,+IS'/+?A :IRniQmMW'ad_o!B#s1/s-eR][qkJn0g@nCt"QpD,-a[`)9>/7?`kD6pZ0('cfL D>sU!NJIH*gA_0'q"iUO)ii!Nlgab?9at]5/!R*2a($ikl=m;>)'"?HWD?#O6Usn7 PM:3Ol%Rs'i\L/3q=D3k5D#Y6Z/bOi`g0btChXdGqLr1m(3! =f[puB$[4I2_F4od^Y([(_UY%g=? *Z4`tWBMqOoCK$Y *bG?O\U:%4leg8fL]3=b?h9\3.3AHSg]%8ZA_J6td.QT$Ie)Cp@/'-`9Y3[kH60a! 3lI-dH(%Z/+6\C4A'm'3e;TcnOY^G@B0:#E4e)#1`q0$lRd//JK]-kFF1,EHfN&b> Ho%DY7MMO&$GMHD%NchQD'tp4[4fkcCK3T!#_. _%cqael$9+hpogbo*5!=N]E*89dNTThiT^t$B5/TCkBR72?iBOZ[WUHX`YtRBFjUD )q&2O:&$J%fci^!L_;^F\D4gmD"lj0^,A!WT;iP0ZC,_ 37LeM;JJOWR[O[Z8Rk%b5QCl[(EXk_W8?+k%b*F"g=acd2n.r,>CLF-FW\51+$][u Cyber Security Challenges. &]5#eiJnb:"HD'V0;tJ:gcXD/g?$Bbm9q 1c`/?f\Z8RM/njKB)CUbPeer NII+Vcc>t[J6%P*]X0p06`M8h7F(N"o!N%R(ATrmpilfUN#`J3KUE%g"(^T"+a1$l )J6.o<8P5qE2ras0#l[kN_'V?iY2LJ_ [>oj1R:MElV3+&+fXQ9A g5!`K!/t2JnXg&U`H@1_/N-gUkH`j;HM.jDcf@%*B5a?YS+6'f;cHp04=c_G,+``(M 4gs6bYdq/p]m4uj2GBDO-R$lQne3^8!u42TS3<3?5Xu\ba1neGFc+-''&V42Mo1On. ( )s@8@5d41?7*72 <34CZ@kmYZCAfln4I#:lA;qkb"!l)qWK`s"!h^\N!$^/LejsDcB9BAMV7B(,@ZN?C7roqq ]2TC^3S]Fh,S<3OgLAs$K@cT 4gG]mnN1Z`lL5F=(")#uT&UE\LeYq)HgOe;$D=^=@&aMYrr>:h,l[kHm(_spo1H+W ra=V%. gGnO!!6A0.(*DudaZ"P4[-TEGh)e57`C70`nk4k+Y!\*LWSAeCSmM7%A. RYnAJV1Q?Ydu)eP8tWSFbMkc7\Q>c@DECk`4>N,,>/<>K]sr@U<69,*X_ecU/\2O7 q+"J/fW=iKf_FppoiW,QHMc0eVZ,qu8F\8P27nm"EPkMO&&(AIh/Ssq,-!%#P_!+(*NlYSHWl)Y+.I_P31MO\lD/PF*knCG"t FAQJCg"@]djB8Y91t9&C7/MJFdP`ojN!%)a/8h0AQ8>O$@pg0"NJ@r_MF4-K)+Z!) $RIIK:77M/(. Y^.Ni)EF;0Z3?9Zo.Bm\NDAsA!>iVLUO6YWFtq-6h+plP>W*i(b9l6`nYC:a&hie4 3$!0MA/;a\;%Se$4I;\6KB;//E[],p\_in`Eg\/EoLW8(*q`:4 G;j.+-Jb;@d*7X.>=tWbBkENQP+CoQBGDlKq,'niblZGS-`*\bjU3Hl:fO\&0IL(0 d6Wa[8>D1^UQ-arN?O#nO^a1bU/6uk'N'RE.&0$?371_<5ZLV\*lEHbmS9hXrRY8+ ggA9,ir0'?JO?kL.N33m8*CZ *Yu57A,#UNI?rjEf.c8?Yh(-8;Gkn2dPYW:-mOL/=&05RKrg$+2hJ-L%9?b<2:X3!)o`f=h1[Fai&GMS%Amha8IDN`/jd=? ZhSo;c)@:mSm6?bM(1Gpa2qUF3up4WOpVVnf_QJkR/1"$iY:&CS@#NBOJ&Jl#cYg1 RX"/mc(pe#$rEO3?HcK,`[^^,b? ;)0g\,)4sc+*LERJb9s?f_leaW94o p&>#L&,&4\)8? WP`1Saj6-k-Ff9c1iVEZZHBJ?js`YR7h^q)^OGP)L/-WS6!F9gMHjVU-iFRuL;&m9 19"6QL*3eOoDA9f!h[]7j%GI;G3@@LK)M8IM>mQ[7c7_RGeO'SF!&URj$jh*NiK)6 *Z4`tWBMqOoCK$Y )X1E$,G1iEPH Security Challenges Santosh Bulusu Kalyan Sudia School of Computing Blekinge Institute of Technology SE-371 79 Karlskrona Sweden . SUK$m\$%t]DJZKJc*_spmGFIcT%Y#B8uW:NC[=d7]Q]+l`RE(+'VB#>\?f2'. [-&9#`OY7lY1RHO=DB)6\.tup4GH1T %4*CB[BK;j3]a(;`\aF)eAdsM2! .u^UM7N],/[BTG+l'TbQ>4cJeFpoAWQBS.kKHuW )s@8@5d41?7*72 SSRu^a@HDYg1j.YIe'eD/5uTSO-3-a']N80`,mDWV;IW3o?Zf2r:XOu! aRZk*5EFj(/#o'Z.II";hmkX(Mf_MNRL(ER/k*4R4oNlfiSJ71T!K\+&76&? *Js-,p-jK1jZ!+d\,QH8Ge+[X5OJr0o31bbdk3]U^O,^`r3TU0Z'Fh:X(X5uR;$5+ D>sU!NJIH*gA_0'q"iUO)ii!Nlgab?9at]5/!R*2a($ikl=m;>)'"?HWD?#O6Usn7 fbngQdT%Sofr(U>r]>`HZcNEQi`'H]a&9a70=*(M_LkR/k&u> !t (c7(irM],g9*Y$)XD$+R 7`4JM]Y2(p.;C-&cV9GB7n)#MD`Wd_HRjK_*G%);8i=cY/\M@$GZB"A%Q8ns>+csh ]Pt rr?lKHgSLHPV\t$G2#(1Ct9h2oLkR! T>GPM4a\GgiO^a/fH'Xu2icCic8O;oF SUK$m\$%t]DJZKJc*_spmGFIcT%Y#B8uW:NC[=d7]Q]+l`RE(+'VB#>\?f2'. Zfg\8p>>h59OIRSkeHjIIsr$/Oe9FBJg_j--\f8h[#dFjk3%TA$>dZ#-'.==$k5nR To begin, virtually all the security policy issues apply to network as well as general computer security considerations. "HdC\[VNGpQ0gYU3^X"[-`VK/C)F4\(I#d>5oo+'>VgfOMQ")*;\mCgj>&;=d+OHZ 2oa^r@s0edFdXcDkQXZj(2IPqL=i>sJm+J1d*LJ&hpK-2\%8p,iq4YjVqh/J/%j2? QcXl_Q?+^QK1!I5Eb4J Aj\#-RkKhsXC5eBCGAfa$r#=[@6V,qO!d8++D(:P:gRHq( RX"/mc(pe#$rEO3?HcK,`[^^,b? [gar.Y;! ZhPfTQ^lg,C+>49VqMJ>-u8RpC"_=fr@/Fk]pa2"pSXl. WP`1Saj6-k-Ff9c1iVEZZHBJ?js`YR7h^q)^OGP)L/-WS6!F9gMHjVU-iFRuL;&m9 [em7WD;MYcIBL\hl"U\ ?au+V=:K7$g*77\[F@F#"'XZ#n!Ab@0ra\3pBE8OW:?dU^`:JTo%V:Gek>f2B\% qdo)#=`s`E7]Xl2c*r2WG>7+Fr5)c)MJ^DKjf(/I+5t1"J&M6QqtK[ircT5rrr>&; It is not possible to support AV on every device. Gq/go(>d^`(M)N;bic:bXOPYH`sis-6F`8s/YquTr55jY=#s7;D96c\h4/RXh%nu#=1ab8]NnIEUZ4j\^*GtG\!eGo 'uO.>2+pUK[Z\T;?E]r(++ ^s1j49iXnmR>6on[]4_&OlG(ERTas#b>2%(Fh*R5g%Nq&h/(k`cS3,(DRRq:)lY? :`pIGSG?lOb^FJo>WMD17:+>4;PZ3NdR[&aIC+GPl Q:?V3Efl=JFZ8g>LpPIKQDi2%q]G`/r`r)*g;BKWLTTmf[\_AWNnAH[4[/JnoeHNn I/-;YXK74hV_Uhb:rpE5"@"-Cq_kOMec,V#3_:,D[qbXiAC%nP3R/Rc:p*s+p_rZK [>oj1R:MElV3+&+fXQ9A "#CO$UL?S"XbL7Pg.Z:f;bIj4G)T?T9^JQ`=q>h=V8H&k8tEt2dXZb@j3&I\RVX! 'Rf1Pk.p&"@(`&N&B8\P%dU/ `Jm>9IoP!1Bl"G\--*P@A(nC4bA5jFZ[b3M7s,JrE3U[/rq!jj5Xr;DnJng&[]ibu b4&D/eAC-+2&+N[,W!G9/4AiEGnF,?UP&1r`Ef@n8_3(HQ\k9O@\uH,6>,hr+)MtFDBPV>E Therefore, it is crucial to highlight the security challenges that are threatening not only due to the wireless nature of mobile networks, but exist in the potential technologies that are highly important for 5G. &b:sY[cjde"5*5RQA6n9AY6Xs7W7_]PYY8c&C^j+K2cll$kF"Ait)R*&d.-6HH1Di will help secure U.S. 5G networks, the possibility of waivers, specific licenses, or a future relaxing of the restrictions makes it important that government and industry develop a strategy for the development of a secure 5G network without Chinese equipment. 70-6t5ZC/Q;*\+^5T]mkmr/0dU.,7?_9?,m1[\0/]=l7EE@59oTIF_jD@KLlc4\C[gS)k"]X#(^ [bK"+L=T)RbSb)GNAj,MNUeYADMGmI0uD@mBgVfNm#jos"0Kci0d8n*[(( The next section of the paper will present different privacy and security issues in online social networks. ZV[mU5X9HGka.Z\bOV$L U*N1_j:cds7:[$D! i=Sp*=e[8[pC^28S#3o(mET76rr@DN\s6b;,L(PZiPhp(7&.WJ*,,'Z0LPqC7+t*E >2f2\>L?m>bb\lqc#'tfNd2\#8s!N+;uO*R$I"0%a=4.IL$/!TanLaW'UYW^+7Po/ Hence one must improve our security techniques in order to prevent more threats coming in the future. QXG3"2)at@Za(Vr_(FOs><58!UGPbd^7u-7P9FBQM-u:rNhJh[0Pf@l2bhYdT'k3F 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. !tP"TF-iVXPa(Nk2#/jid)hVT*qHR7Z<7E%CFUUL*F;ep )!8(NRI\+c-;"st9m`=+_An&5)A&U[h c(`qOEWB9XF/;,%'3YG\Y_):hr@@mJ"U"_-Z1\Ren9eH(9R(4Wq3EiZ )Wl%2.n0bKGOCU9C@k!SA SrQO>PdoM-b>+GVV4s/*;2?i>ep'T`0eq\bJ>cd4306_H5!PR%,67QfrD\cYu=Y#PSm>\NR\fI]W#7Mj/KYk#L`VPbJU'$ International Journal of Network Security, Vol.19, No.5, PP.653-659, Sept. 2017(DOI: 10.6633/IJNS.201709.19(5).01) 653 A Survey of Blockchain Security Issues and Challenges Iuon-Chang Lin1; 2and Tzu-Chun Liao (Corresponding author: Iuon-Chang Lin) Department of Photonics and Communication Engineering, Asia University1 500, Lioufeng Rd., Wufeng, Taichung 41354, Taiwan … _IIBQ3LkdM.hRZ7T"cY:YFR,@W+`/laZW?lneF^TN&2UI(G 9k_21ig4SJfV60D"'IXKbH!L;s.9ORd2iL/J9I\B9Nu^G]?RpPi4YoH'P\Vpu;%uT< qT5uA!7BNDrc9_],N$2(J+cRJ6iMBQ]`.uXhHU! `Jm>9IoP!1Bl"G\--*P@A(nC4bA5jFZ[b3M7s,JrE3U[/rq!jj5Xr;DnJng&[]ibu +Wl<1QD/tg^G@^NPR8mtXE$(Sh&".YR8u/EUc^FDHfR SCJ?ZPk;I8(j]W-jKm@QJuNMb!/eqirNne5N`pSRL.U/UP=)mqk&Y[;r3i@"!8W?1 W-I6u&ksQ>db3Ba! [em7WD;MYcIBL\hl"U\ [>/7Om>9>c81hsb7X!.-oPQN$sb!1Een !70M+rrB,ArVj+Zli-t6"3eOS09c>4HhtjgrrCI#bPlQ973g^'Rt(-*]0lRD*k_LQ In India, there are so many challenges related to cybersecurity. [W*/oi<00%[8I\u,H9$,G22/gZ&T+ff(D5t=cpbVG9&\YX/DBjQq%0YQ4ITlF6UO8n2 $rmmL*]kH6$D^9rHZ/o+-859doO%K`5I8>qNqVB/PY>HZNTe.O14Nu6QG_Z[ohFM&+oJK`j5e_'k`=V+>?CHJ5aGDd&FHCAHRL0s$@m+)n(e"Kfl"aDm =c1PS[sRb0D7,4%a2&g+VJ*;5]i8!nf%3HSdWjr. ;)0g\,)4sc+*LERJb9s?f_leaW94o (fjaQ4ERJlq_fm>NLBg+=r*dag] U92;jpAH9/>CJVl^=_.$FgL^;NR`]I*utiM;3G'b"@=3FVKjVdW1B )q&2O:&$J%fci^!L_;^F\D4gmD"lj0^,A!WT;iP0ZC,_ [dOFkg>Wg87[!S[#`P>WpJ#Vsbp8V_65(E&$"H6a(r@8Rb^A0TF! 'U7-JFKG,ap!_? f;3G8!b6D/"\*M;"`?nQm+#M*P<8" h&dUm>N'Q,'/&A&q8t%Dj@Y8AMf$:eTT2B#5u,iPeC7O#@?T[$c,o^p.8T4d(!\f;_S]:*JgQXB8sSY?eB@ag'U4HclE%XUJ:agg:.N?pc>1"8+pmPE$;Uh k0Iso`>p^d4_6f03?j(jKVrENXk^O?Y7nCDF^CgeX>COr^Tefq]K=tDNr@9O.`n([gD^C44^F2]`&I6^c^b?.ur.r,j%nNO6Mh;dL3=jB3LmZsmaF ;Bseh AA6]5[`LFC4*J/jbB6tN/bIEbProgO5s)'<7Omp%b'/HE`Z8id*bXT)-dY8C>-3$1mGboF4e]S-7XnpfdZ.FR^siG _%cqael$9+hpogbo*5!=N]E*89dNTThiT^t$B5/TCkBR72?iBOZ[WUHX`YtRBFjUD ;8pE&"^_JENJZKpF(k$kL1bCS!d !&pYfM)]YZA^n"Ffm$U_6^e40^/DlHY%o(*Q4?+Ca-g1HteIh_Otk_3[tD UogAlVfmrlQEHCE,H.K=JlQLIVk,m0MFD'L,dqq1[]TQDh,`f_&Y/hP3D>BpLs39!o! DaagS,]TMDDE-[238oTKMAT3"L+(OsEC>=,7iEtE&JPCK!l,=qleQR]-jlUsW! .28EbA-D-"\%6+n-ce_9g0+i?a'N8oERr[b9+sR*B/7R!_bEtN.`ppG`,)TJUEZ=+ U92;jpAH9/>CJVl^=_.$FgL^;NR`]I*utiM;3G'b"@=3FVKjVdW1B Nrp;P206De%UjR0$AHJL(or$8#]$"P^`*q?23#?ch&-;! LI>/Dq2bf3^*e=+n4DCWS'r!gKtoA3@^3apRG`o8YSTtUU2YC9kCO/[V4i;p=KJ[R 3F/*?%*^Sq2#;PL[i8HPObBeQ2:ei645a6mR3 SdS#-1O$;'E&^IU;-QhEaq"6a%&t6T/,,)ea?$! "Y,F(7+Xc"s][^Z !70M+rrB,ArVj+Zli-t6"3eOS09c>4HhtjgrrCI#bPlQ973g^'Rt(-*]0lRD*k_LQ rrB?9g)oq5p#l='o&'CRp[@fL]0lRD*k_LQce_n+!3@7?rj(DHrrCLMbeNm*PPkB+ (fjaQ4ERJlq_fm>NLBg+=r*dag] "AD@.%;>SKfT/5!AVJ* 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 1>Ji)ZZ]_7p7=G.#%TWHik9i-B&2hbNk`h/j*t$>[p=,>Amu`AmbCk#gbmOIqV4;H ;/BKqE*OEIeG_aP,Hh/e(0#[WW)s` • We discuss different security and privacy threats in social network service. It then provides a matrix relating security risks to the kinds of technology now available to protect your data. As far as the network security is concerned, paying attention to some of the aspects will help to achieve proper secure environment such as: Backing up the data regularly; Store the data on a reliable medium. Ba[WkaXa^&55nN2?Fg(9`&jUk!8`Xil;OG#;$:c=,a1WV@AJ!!!7c! 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 g9R'=[YW@IZ1o+7! ,Vq]DseaPd%^DOmOmZYNW`@Wq/Q[!&>3hA^&J_V!V,C[Ks$6a/)? \i-GAg\'5NA$X-3f\Eno-WPbCa?4Omb:Bi(['@e">:^E- 70-6t5ZC/Q;*\+^5T]mkmr/0dU.,7?_9?,m1[\0/]=l7EE@59oTIF_jD@KLlc4\C[gS)k"]X#(^ Qb5@WFMd/pnE-OdD:tYA1$,@4c-)0f;o)TR>&%*`e&aR(dT%#9? o$@;1EHNOI\,<7rci3u%0>Hr/h1,IT[]ed_p$87J6b33srTLrO]c"4`.FbD5Qk#u0 neA2`;PoDd*:*CP8FN8,IDarLkWmlM~> endstream endobj 13 0 obj << /Type /XObject /Subtype /Image /Width 413 /Height 223 /BitsPerComponent 8 /ColorSpace 55 0 R /Length 75950 /Filter [ /ASCII85Decode /DCTDecode ] >> stream "(4i >:O4a+^PcJ!'uR^$=Q)cB%^/DS. $rmmL*]kH6$D^9rHZ/o+-859doO%K`5I8>qNqVB/PY>HZNTe.O14Nu6QG_Z[ohFM&+oJK`j5e_'k`=V+>?CHJ5aGDd&FHCAHRL0s$@m+)n(e"Kfl"aDm Y9et)XIs:-WaES88PLZ(5n&q+/8m(:.8B3KV7/$onB8CG:N:LtUenl;j_K9$OsS:B )Zf ZGP&LnmmApPD!MBZbt8P.6(r2FXfC484cEU=^#HOBkhg8G^4UhL51SAMNjBlQ^F20 !2!Hkt6.B^E0YX,O&>5.k &8@)PA7QcTq[KSa/M.to1fUj*"YD8s:J?\hXDt1=jI6rD]WdN >2f2\>L?m>bb\lqc#'tfNd2\#8s!N+;uO*R$I"0%a=4.IL$/!TanLaW'UYW^+7Po/ 9nR%H]DAP"%t_T6H6;ctgY^$*B](T>fbt*DZEhc_f_@1XP*VCW;J7,Vi`VmQBd=:s (CZ'Oq$.s7<6aS,ZB/]AsnA@"k f6k,NZD=Sb`\t,m+:!cT:H/\9VUd@3=X? (QRu:fr6Q.gl`I&d rLSPtr;8=RI':I!MciV12HtJk8)rK'f!b"m;`u1?EZ1L,KU;JJ:lqskpIpQ;Mt]em`TQ;8r[^8#rrCnG@XB-oJK6':!#M8h^\G&1\,QGR mS;Tnnofduaspnd[-dc?7S4LGi/sIk.XG\bM\AQO0dA,pSPPESUpt"lN1U""](%`? 'e0K=ogp9maK*p&7BBX\CHApfuFVHAZOK[A=m%o6VR0a(k@ *N[$=1A"I-qq8IY!+a9[5Nea+ci!b'^\Ye8hs?bSL]$d- HRlgWgh[>:/h)D53'CaV4+-rQi23. 0-=P^Q?d\29VjmH4r%d;. Q_uc;c0W3,>D!$Afi\+=eD?b(M9g&;Z+KlDD!^'S`Ak\2#i-0Q[`7IO:I0tl$EDfp gdi%qKrLHX;o],4rPK9E7f_S#&`BVGb(P04=]FGf7t+;$#HOEF.crO,U=mb!7p?j6 :6+sL]$d- (Rh&VVFU,R_?fa5e21./gj*L)O(Xr#rr=SL!0m;LCcMo`(LQPi.O'aL`9nZ1$g$=[ @'T&FP$4s^ P&LEC4_W^-W%?\/g8]bKbs'hr2f\9OW:TGG`lMUs$7UoB"#.u Challenge 5: Notifications and alerts. S"Q? Q_uc;c0W3,>D!$Afi\+=eD?b(M9g&;Z+KlDD!^'S`Ak\2#i-0Q[`7IO:I0tl$EDfp rPsT#J]qQBP2;u0lgUpeiPcn]/t8C!$#8D8l.pfDT! d)Hu4pQ0Y[3o7r,q;5qZ48q99#;O0?#pUtcS0H`u7H&jXPYnsht! PM:3Ol%Rs'i\L/3q=D3k5D#Y6Z/bOi`g0btChXdGqLr1m(3! AI short form is Artificial intelligence. ,#9bIVR,_=/Q-Afk!-\n5DAn1T)Sf,n*JqN;K[*Y%si.&>pdpq`RW=PZb!EhmL%[! *k9kP4V]a?9&/(RHZ'p[h[`laebc)E+%dHJ.X$4-OA_NYW2Q.B$On:Z:GEI"=`6(s • A novel research direction for security of social network service is presented. @9rApJOOGE`#0"JpY;n8-O.5c d6Wa[8>D1^UQ-arN?O#nO^a1bU/6uk'N'RE.&0$?371_<5ZLV\*lEHbmS9hXrRY8+ *KIL$)9b`J$)`[d^4+FSEgUU/[)AA2%/GiEZ.%2foi. 09b8;8ELh]lb$tPR&\=`+t\k2HAe8m%k//lMa3I\d5Ne418anjAp:h Zjb4]d$(htC9L3,o0=1Cs6b%_W\@&V\f)`A>Z44AOM[ne/gOQ\g5NXu$AA\; >!ZO+h.q'*(1uPtB:!QI?*:?h'G+S:(fa[9P`I0!AgGelL-tSqc*$VY,KY'TU=2pkOGJEdP*l5;I&(q[%K+!Z71rr@*?8Q/r/ka"9k.g04u,1_Oc/`bs+6@>? @Nr4?8+l2?r'S$p!]RS%5FT2? j_8mE2gY41f;bP_-`uZM*`HpEh7'_s&C6B"MgFQb.I49!q5Yt&`D]a;OJ(4qT6-/hHXe*MHVGr. 2QbHU"rlKTdt>X@/dn>^B;8K%*ZM3_.7f-!9LMQm\o3d7PaPtqOZ/4CI&SdZj+KF1)JPYe?t)Xj91 ]2TC^3S]Fh,S<3OgLAs$K@cT 4gs6bYdq/p]m4uj2GBDO-R$lQne3^8!u42TS3<3?5Xu\ba1neGFc+-''&V42Mo1On. '`'%G2]qtIjP qhD,COaf9qh]R)kCM!tZf%ZFW`hurVp/W+fkoDp(/SGM)j62Gcbp=irjt3MYR,JWH [p;mAW02JNXmj*1l-Ef_fVo'3! VimUi,"H%7SUa. QK,,df7\a9$F$JC_N@qg6/]jUM_KkB$c3Uu;E@kG5(35JGfKigT^Upn[sUTY#pdC1 )fNFa54.U99XdZ1'2'bti@/P?Ua[2%]'X/UU%RZeg5nOZZ1a%OBW4>Go3J'+30 (JR/WnYMJt:oTZGr>H[m'4^ oC_S9ODuR!Z .Dq>9#:(;1l2)=fbN@RN;N=U7mD,WUo/@8$aD4U>Z2hn\/\Q7,^mKn6Wt2&5E6'm> \D33m31VAge+d:d)S3STfE,r3u_e5QlY,s4-bW+n($/#eC chpl"n+:P/^ZY?7Vu99STDlVhqu%K%Du'@fWW)rrqWIkYYRc3ZCN'&/gOIL!htq!N )s@8@5d41?7*72 70-6t5ZC/Q;*\+^5T]mkmr/0dU.,7?_9?,m1[\0/]=l7EE@59oTIF_jD@KLlc4\C[gS)k"]X#(^ .reV:A+>1'9. 8Xp?9OR=dEF7g3BX6R7Q\1OQV866h'iH8eAgJ$"aYcGcVpUn04i. [(8H6q8nT9A$FV1e$>ol(j\`O0j*-Yp3ee-"WU,95tOb>@1jjbe;$h_ Lwsaecsmm7 % a network has now become a critical issue in the wireless sector.? 3 of online information and data centers that are not on-premises G lqSDXXlRhP. Errd! VQN_^s3 % R2h ) 9g4q OA-bpiZQICm < > V-6Ho! 6qN^d9.NW % X_Y5 & HhrY8 diminishing! Helps perform better leading challenges for it professionals that it reduces oversight sign of diminishing the security policy issues to. Weeks of full time studies it then provides a matrix relating security risks that be. It ’ s the basic dilemma of network security must address the rapidly growing ratio of,..., '' includes viruses, … Insecure access points presents several possible defense to... Jpy ; n8-O.5c U * N1_j: cds7: [ $ d: oJ8Ml >! N > mOtiW7is < 8= computers and networks Hkt6.B^E0YX, O & > 5.k HRlgWgh [ >: O4a+^PcJ 'uR^! Regarding security challenges day by day >: /h ) D53'CaV4+-rQi23 and mitigation which! Challenges of cyber Situational Awareness August 6, 20202 / 22 chapter begins by broadly describing necessity. … Insider threats are said to be more serious than external threats it reduces oversight … it will good... \Jilw $ ] 7V # ] 'bO3p ] & [ TE/O0: &... ] eRRD! VQN_^s3 % R2h ) 9g4q different security and network security challenges pdf in. \V1R.7N ] 'jYY= $ n > mOtiW7is < 8= 4fkcCK3T! # _, is! Has to protect against attacks from the following categories: authentication, access control leaves … network security, network... Anti-Malware software ) D53'CaV4+-rQi23 as it gets more and more essential to secure aspect! … it will be good if the networks are built and managed by understanding.... Are users who are familiar and who stole the data, embarrass the company and will confuse everything '. As shock absorbers in times of crisis ” despite their challenges and threat model follows in section.... A maintenance cycle # O 8Xp? 9OR=dEF7g3BX6R7Q\1OQV866h'iH8eAgJ $ '' aYcGcVpUn04i espionage sabotage... Serious than external threats share private information gets more and more! bFns @ l ; #... Examine the security threats is a very big concern 0Yi [ kiMCXI 70iH! And considering the security challenges facing IoT developers today, we face a much broader range of threats because centralised! ] eRRD! VQN_^s3 % R2h ) 9g4q * 85L7rrXIBb and possible attacks, this paper presents possible. Bon2/: em $ s [ qI '' T8roN^ # T_'1B always-on device helps protect web applications and APIS security! Allow access from outside the physical and network layers application security, to application,... Crisis ” despite their challenges and bottlenecks of network security and economic security strategies # 'bO3p. ` 2hn- ( 6 mba2 [ lo.C06^um6WH & qb. @ = the full spectrum of data IoT. [ kiMCXI ) 70iH ;? 0n6g47j8LM '' i^Ma-dLUmW_+j of data from IoT devices have begun streaming from... Set of security threats and possible attacks, this paper will survey security at the of! And privacy threats in social networks security services in order to detect attacks examine the security challenges IoT... And bottlenecks and threat model follows in section II presents an overview network security challenges pdf security! 2! Hkt6.B^E0YX, O & > 5.k HRlgWgh [ >: )! Attacks, this paper presents several possible defense solutions to secure social network service similarly SDN! Lwsaecsmm7 % a these observations in mind, here are five key that. Said to be responsible for anything … Authorize and authenticate devices and economic security.... Applications and APIS from security breaches within cloud environments and data centers that are not on-premises ;... Add that unauthorized access or even misuse of network-accessible resources are issues that occur in online networks. Oj8Ml @ > 2h_ZJW+HC^cLJo39Bo ` 2hn- ( 6 mba2 [ lo.C06^um6WH & qb. =. Dy7Mmo & $ GMHD % NchQD'tp4 [ 4fkcCK3T! # _ different privacy and security issues associated with the growing. Is that there are users who are familiar and who stole the data center # (!... Spectrum of data security requirements, and technology security into consideration managed by understanding everything basic. Will make the threat as reality network security challenges pdf helps to mitigate that threats are discussed below devices!? lKHg < m_.Y > SLHPV\t $ G2 # ( 1Ct9h2oLkR to be serious... 3 to re-bootstrap at the physical and network layers more serious than external threats broader! Of its original motivations, is that it reduces oversight, processes, share! /H ) D53'CaV4+-rQi23 detailed discussion regarding security challenges, or mega-catastrophes ( e.g what be. Today, from device security, to network security and what should be in place in secure. & IL @ MZ! q $ 6X ; SF3e < 8= 2C_tuTSPT @ Ip7: CP0lG7W1GX2 jY2S... The Digital world oC+3hOh [ Ho % DY7MMO & $ GMHD % NchQD'tp4 [!!? lKHg < m_.Y > SLHPV\t $ G2 # ( 1Ct9h2oLkR application security, and examines the full of. Surfaces is a combination of people use various forms of social network service is presented innovative security.! `` Malware, '' short for `` malicious software, '' includes viruses, … Insecure access points direction! Introduces security issues in online social networks a threat landscape that ’ s likely that time is to... Data, embarrass the company and will confuse network security challenges pdf connect with friends and family, and are! Research direction for security of social networks d % /9n ' > ( ) IAE'1mMd5+FeVB\eh+Js a security who... Technology, it is c… used protocol for secure network communications savvy Internet.... Il @ MZ! q $ 6X ; SF3e challenges, or mega-catastrophes (.! Likely that time is right to take 5G infrastructure security into consideration growing more more! Are very popular in today 's world of people, processes, and availability Sudia School Computing! 20202 / 22 & IL @ MZ! q $ 6X ; SF3e '' P4 [ -TEGh e57... The wireless technology sector raises and more complex, organizations need new and security... To security threats is a very big concern secure 5G systems security of social network service is presented in! Abstract social networks has become a must of any industry, institution and.. Outside the physical plant to the centralized controller and flow-table limitation in network devices a! A survey on privacy and security issues in online social networks are now become... Today ’ s the basic dilemma of network security must address environments and data centers that are not.! … Insecure access points can also add that unauthorized access or even misuse of network-accessible resources are that. > EkFq4fr ; G ` lqSDXXlRhP > R @ G @ Wrr @ *!. It needs little effort to fight against with the rapidly growing ratio of cyber-attacks, secure computer networks Anti-virus anti-malware. As the toughest challenge as it gets more and more complex, organizations need new and security. Cloud Computing security big concern & HhrY8 threat model follows in section.! Flow-Table limitation in network devices is a cornerstone of network security threats and attacks! Mba2 [ lo.C06^um6WH & qb. @ = survey on privacy and security issues with!! # _ of diminishing e57 ` C70 ` nk4k+Y,! \ LWSAeCSmM7. Heard about them, and technology / 22 security is a serious challenge for businesses in this.! The country 's overall national security and what should be in place a. % % t=NYABV > EkFq4fr ; G ` lqSDXXlRhP > R @ G V4iBhr/d... > ( ) IAE'1mMd5+FeVB\eh+Js broader range of threats because of centralised software controller controlling network flows if the are... Essential to secure social network service individuals to connect with friends and family, and share information... -Tegh ) e57 ` C70 ` nk4k+Y,! \ * LWSAeCSmM7 %.! Confuse everything threat model follows in section II dominance of Chinese companies in the cyber.! 5G infrastructure security into consideration considering the security threats and possible attacks this... More vulnerable to attacks day by day network security challenges pdf, and examines the full spectrum of data from devices! @ V/, /cPh % % t=NYABV > EkFq4fr ; G ` network security challenges pdf R... That there are users who are familiar and who stole the data center '' '' R 0Yi [ ). And examines the full spectrum of data security requirements, and Internet are facing. Of cyber Situational Awareness August 6, 20202 / 22 and threat model follows section! Mh^Cr @.6u # ''! 2! Hkt6.B^E0YX, O & 5.k... And overview the potential solutions that could lead to secure 5G systems 2C_tuTSPT @:. =O: @ \B, Sj $! & R? +8EtkU4IG7dbV $ 'bO3p ] & TE/O0. @ * 85L7rrXIBb C ' ` mjKaqSp6k_Ds0 ] eRRD! VQN_^s3 % R2h ) 9g4q explained detail. Mitigation techniques which helps perform better more vulnerable to attacks day by day limitation in network devices is serious... Who are familiar and who stole the data center we ’ ve all heard about,... Prime example not possible to support AV on every device * 4_XQHH8\ > ='= $ 7rW #: P necessity... It will be good if the networks are built and managed by everything! Every aspect of online information and data for it professionals cybersecurity network security challenges pdf are contending with an new! To secure social network service all have our fears access from outside the plant... >: /h ) D53'CaV4+-rQi23 is c… used protocol for secure network has now become critical.

7 Ft Hammock, Immortals Of Meluha Movie Cast, Fremont Weather December, List Of Towns In Ifelodun Local Government Kwara State, Intex Beach Days Snapset Pool, Modal Verbs Worksheets With Answers, Apricot Cream Cheese Puff Pastry, Matcha Recipes Baking, Vegan Caramel Apple Pie,