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IAB (Internet Architecture Board), 312–313, 320
IDEA (International Data Encryption Algorithm), 158–159
IDS (intrusion detection systems). See Intrusion detection
IEEE 802 specifications, 94–95, 139–140
IIS (Internet Information Server), 79
ILOVEYOU worm, 342, 353
IM (Instant Messaging). See Instant Messaging (IM)
Incident responses, 121–122
Indexes (hash tables), 163–164
Inference
database security and, 271, 292, 296
inference engines, 275–276
Infrastructure security
encryption, 124–125
extranets, 103, 138, 144–145
firewalls, 123–124, 126–129
IEEE 802 specifications, 94–95
intranets, 102–103
intrusion detection systems, 119–122
IPSec, 124
network cabling, 104–107
network countermeasures, 122–129
network topologies, 98–104
Open Systems Interconnection (OSI), 95–98
Secure Remote Procedure Call (RPC), 126
security baselines, 133–134
tunneling, 125
VLAN (Virtual LAN), 103–104
VPNs, 123
see also Devices; Protocols and services
Input controls, 274–275
Installation, 383
Instant Messaging (IM), 66–67, 83, 87–88, 310
Instruction code, 284
Integrated Services Digital Network (ISDN), 118
Integrity, 151, 182, 212
CIA Triad, 212–213, 234
hashing and, 163
Intelligent agents, 251
International Data Encryption Algorithm (IDEA), 158–159
Internet Architecture Board (IAB), 312–313, 320
Internet Protocol Security (IPSec), 124
Internetwork Packet Exchange / Sequenced Packet Exchange (IP / SPX), 114
Interpreters and interpretation, 285
Intrusion detection, 144
defined, 18
false positives and false negatives, 120–121
honey pots, 121–122, 144
host-based IDS (HIDS), 120
incident responses, 121–122
intrusion detection systems (IDSs), 119–122
network-based IDS (NIDS), 120
signature intrusion analysis, 119
statistical intrusion analysis, 119–120
Inventories, documentation, 231–232
Inverse queries, 260
Investigations
enticement, 316
entrapment, 316, 319
evidence, 222–223, 235, 315, 316–317, 322
hearsay evidence, 316–317, 319
IP addresses, 112
IPSec (Internet Protocol Security), 124, 135
IPv6 addresses, 145, 146
IPX / SPX (Internetwork Packet Exchange / Sequenced Packet Exchange), 114
ISAKMP / Oakley, 124
ISDN (Integrated Service Digital Network), 57, 118
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