computer security threats and solutions pdf

A computer system threat is anything that leads to loss or corruption of data or physical damage to the hardware and/or infrastructure. endobj /P 233 0 R /K [ 77 ] endobj >> endobj << /K [ 223 0 R ] /Pg 3 0 R /Pg 3 0 R endobj /Pg 29 0 R /S /Link /K 115 /S /LI >> /Type /OCMD /Pg 39 0 R /P 354 0 R 390 0 obj /Pg 29 0 R >> /ItalicAngle 0 >> >> /S /P /XObject << /W 0 /Pg 39 0 R /K [ 138 ] Spam is one of the most common security threats. << >> /S /Span /S /Span /P 264 0 R 208 0 obj /Pg 39 0 R >> /P 77 0 R /Descent -210 253 0 obj >> /S /Span /S /Span /K 82 /P 145 0 R 217 0 obj endobj /Rect [ 55 665.03 165.11 676.53 ] 185 0 obj PDF | Computer viruses are a nightmare for the computer world. 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 /Pg 29 0 R endobj >> << 558 0 obj endobj /P 433 0 R /Obj 25 0 R /Pg 29 0 R /Subtype /TrueType /S /L 445 0 obj /Fm0 571 0 R >> 394 0 obj /FontName /Times#20New#20Roman 275 0 R 275 0 R 275 0 R 275 0 R 275 0 R 275 0 R 275 0 R 275 0 R 275 0 R 275 0 R 275 0 R << /K 88 endobj >> >> /Type /FontDescriptor /CapHeight 728 >> /FontFile2 512 0 R /K [ 76 ] endobj >> /K [ 439 0 R ] Network Security Threat and Solutions This tutorial explains network security threats (hardware & software), types of network security attacks (such as Active & Passive attack, insider & outsider attack, Phishing, Hijack, Spoof, Buffer overflow, Exploit, Password, Packet capturing, Ping sweep, DoS attack etc.) /StructParent 21 endobj /MarkInfo << endobj /Pg 3 0 R endobj /K 72 Part 2 10 Major Security Threats ... A fundamental solution to address this threat is discussed by such groups as the Internet Engineering Task Force ... address was spoofed as IPA or the "Information Processing Society of Japan's Computer Security Symposium 2008." /Type /ExtGState /Pg 65 0 R endobj 175 0 obj /CA 1 /Type /Font >> 417 0 obj /Subtype /TrueType >> >> /FontDescriptor 6 0 R /K [ 496 0 R 497 0 R ] << endobj /P 141 0 R endobj 577 0 obj /ca 1 /S /Span /Pg 29 0 R << /Pg 39 0 R l@� Qw�� &��`3�n��Q�uxu/l�ނ7��P߄��o��қ��w�9��y��i| /�~/�~��WP?��=��)��F�\�C��؋�%��5�C��D�u� �F��Am�wQ+�=�'�#�>��>@�>B= /K [ 78 ] 235 0 obj /K 60 94 0 obj /Subtype /Link /S /P >> >> endobj In simple language, computer security is making sure information and computer components are usable but still protected from people or software that shouldn’t access it or modify it. /K [ 75 ] /P 77 0 R >> >> >> >> 327 0 obj 101 0 obj /P 77 0 R endobj /K 15 /Name /Helv 168 0 obj 230 0 obj 128 0 obj >> 513 0 obj /K 150 203 0 obj << 125 0 R 128 0 R 129 0 R 130 0 R 131 0 R 132 0 R 133 0 R 134 0 R 135 0 R 174 0 R 175 0 R /StructParent 30 /K [ 388 0 R 391 0 R ] 420 0 obj endobj << /Pg 29 0 R /Rect [ 64 225.77 190.36 237.27 ] /S /URI 459 0 obj /A << /Type /Font /OCGs [ 548 0 R ] /P 495 0 R /Type /Action endobj <> >> >> CYBER SECURITY THREATS AND RESPONSES AT GLOBAL, NATION-STATE, INDUSTRY AND INDIVIDUAL LEVELS Heli Tiirmaa-Klaar* Although cyber security has accompanied the ICT sector since the first computer systems came into use, it was only in … /P 363 0 R << endobj >> endobj 182 [ 333 ] ] 29 0 obj /K [ 171 ] /Pg 39 0 R 197 0 obj 240 0 obj << >> endobj endobj /Supplement 0 >> /K [ 234 0 R 235 0 R 236 0 R 237 0 R 238 0 R 239 0 R 240 0 R 241 0 R 242 0 R 243 0 R /P 77 0 R /S /P 396 0 obj endobj /K [ 364 0 R ] /egrave /eacute /ecircumflex /edieresis /igrave /iacute /icircumflex /idieresis /eth >> 149 0 obj Common examples of security threats include hacking, misuse of personal data, monetary theft, phishing attacks, unprotected provision of services, and credit card frauds. /Pg 3 0 R /S /URI /F 4 /Rect [ 46 454.31 238.74 465.81 ] /P 77 0 R The security policy not only defines security roles but also how to respond to specific physical and virtual threats. /P 361 0 R /S /LI >> 405 0 obj /A <> 11 0 obj /P 77 0 R endobj /Type /ExtGState /Pg 29 0 R endobj << 447 0 obj /P 484 0 R /S /Span This tutorial explains network security threats (hardware & software), types of network security attacks (such as Active & Passive attack, insider & outsider attack, Phishing, Hijack, Spoof, Buffer overflow, Exploit, Password, Packet capturing, Ping sweep, DoS attack etc.) /S /Span << /Registry (Adobe) /AS [ << /Type /FontDescriptor /Ordering (Identity) endobj << 232 0 obj >> /S /LBody /P 77 0 R endobj /P 77 0 R /P 90 0 R We call these items or things as assets of a computer system. << << /K true << >> /W 0 >> /Subtype /Link /S /Link /P 233 0 R endobj << /S /P /K [ 191 ] endobj /K [ 407 0 R 408 0 R ] /Type /OBJR /K 154 /K [ 429 0 R ] << /Pg 65 0 R /Pg 3 0 R /S /L /Font 578 0 R 416 0 obj /K [ 26 ] >> >> /K 83 >> /S /Span stream /Pg 29 0 R endobj /P 135 0 R /K [ 98 ] /Pg 29 0 R /Pg 39 0 R /S /Link /Widths 508 0 R >> 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 ] /S /LBody /P 476 0 R /W 0 /W 0 42 0 obj 441 0 obj /P 378 0 R >> Worms, viruses and Trojans are some of the examples of malicious software that are usually grouped together and referred to as ‘malware’. << /W 0 [ 33 0 R ] /S /URI /Type /Action /Pg 39 0 R /Pg 39 0 R /K 11 /P 77 0 R /K [ 8 ] 475 0 obj /K 87 /S /Span 92 0 obj >> /S /LI >> >> >> /Pg 39 0 R /Pg 65 0 R /ItalicAngle -16.4 endobj /Pg 3 0 R << /CapHeight 693 endobj /S /Span << <> 612 0 obj >> >> << >> endobj /Pg 39 0 R << Data security refers to protective digital privacy measures that are applied to prevent unauthorized access … /K [ 308 ] /Pg 3 0 R endobj /Usage << A Review on Network Security Threats and Solutions . /Pg 39 0 R /Descent -216 << 532 0 obj 209 0 obj /F 4 /Type /Encoding >> /Descent -216 /Obj 69 0 R >> >> /Pg 39 0 R endobj /FontBBox [ -547 -216 1401 677 ] << /K 139 << CYBER SECURITY THREATS AND RESPONSES AT GLOBAL, NATION-STATE, INDUSTRY AND INDIVIDUAL LEVELS Heli Tiirmaa-Klaar* Although cyber security has accompanied the ICT sector since the first computer systems came into use, it was only in 2007, when large-scale cyber attacks came over entire nation, that the topic was catapulted to the centre of international attention. <> /S /Link 219 0 obj << endobj /K [ 97 ] >> >> >> 521 0 obj /Pg 39 0 R << /Pg 39 0 R /Pg 39 0 R /K [ 9 ] >> /P 233 0 R /Pg 39 0 R /Pg 39 0 R Computers, mobile devices, and Internet are also facing surplus amount of security challenges day by day. 606 0 obj endobj /Pg 29 0 R <> /URI (http://en.wikipedia.org/wiki/Trojan_horse_$computing$) /Pg 3 0 R 406 0 obj endobj /K true /P 291 0 R >> endobj endobj /Rect [ 64 477.31 259.58 488.81 ] endobj 135 0 obj << >> 268 0 obj /S /P /S /Span /K 168 >> << 181 0 obj endobj 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(http://en.wikipedia.org/wiki/Computer_worm) /K [ 292 0 R 293 0 R 294 0 R 295 0 R 296 0 R 297 0 R 298 0 R 299 0 R 300 0 R 301 0 R /P 77 0 R endobj 435 0 obj 132 0 obj 353 0 obj /Pg 39 0 R endobj << >> [ /ICCBased 565 0 R ] /P 135 0 R 3. /Pg 29 0 R /W 0 49 0 obj >> /ToUnicode 515 0 R /P 77 0 R >> /K 17 /Subtype /Link 563 0 obj /Rect [ 113.52 114.23 234.33 125.73 ] << >> /Pg 39 0 R /S /Span << /FontBBox [ -547 -216 1401 677 ] /S /LBody 418 0 obj /P 233 0 R /Pg 39 0 R /Pg 65 0 R /K [ 92 ] /Pg 3 0 R >> 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 /Pg 29 0 R /P 77 0 R /Annots [ 16 0 R 19 0 R 20 0 R 21 0 R 22 0 R 23 0 R 24 0 R 25 0 R 26 0 R 27 0 R 28 0 R ] /W 0 419 0 obj >> /K [ 468 0 R ] /Pg 65 0 R >> /P 387 0 R >> /P 411 0 R /ca 0.1 /S /Transparency endobj endobj /S /P /S /Span >> /S /P /Print << << >> /P 77 0 R >> << /P 90 0 R << << /S /H1 /Pg 29 0 R /P 77 0 R endobj 446 0 obj /K [ 366 0 R ] /P 463 0 R /K 53 3 0 obj endobj << Computer security and threat prevention is essential for individuals and organizations. << /Pg 39 0 R /Group <> /BaseFont /Times#20New#20Roman,BoldItalic >> /P 135 0 R /P 90 0 R /Fm1 553 0 R >> << /ca 1 >> /P 77 0 R /Pg 65 0 R << endobj To highlight our vision of this digital world, here is an unfortunately not exhaustive list of main computer threats. endobj /P 291 0 R /S /Link %�� << /K 170 /Contents 551 0 R /BaseFont /Helvetica /Pg 39 0 R /Pg 39 0 R >> endobj >> /W 517 0 R /S /LBody 20 0 obj << /Supplement 0 /Rect [ 46 500.31 297.9 511.81 ] /Rect [ 64 317.76 125.44 329.26 ] endobj /Pg 29 0 R /K [ 329 0 R 330 0 R ] 412 0 obj 91 0 obj >> << /BS << endobj >> >> 2Assistant Professor, Computer Science & Engineering Department, SSIPMT, Raipur, India . 304 0 obj >> /Subtype /Link /S /Span /S /Span >> << /S /Span << 382 0 obj >> << Computer hardware is typically protected by the same means used to protect other valuable or sensitive equipment, namely, serial numbers, doors and locks, and alarms. 179 0 obj /Flags 32 /Pg 39 0 R << /TT0 5 0 R /Encoding /WinAnsiEncoding 229 0 R 229 0 R 229 0 R 229 0 R 229 0 R 229 0 R 229 0 R 229 0 R 229 0 R 229 0 R 229 0 R Defend against attacks are collectively referred to as computer network % are to. 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