merkow ppt 12-JRM

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$Distance Education Math 120 Syllabus - College of Southern Nevada$

Intrusion Detection Systems (IDS) � IDSs attempt to detect an intruder breaking into systems or an authorized user misusing system resources � IDSs are needed to detect both types of intrusions � Break-in attempts from the outside � Knowledgeable insider attacks � Two basic philosophical options � Prohibit everything that is not expressly permitted � Permit everything that is not expressly denied © Pearson Education Information Security: Principles and Practices 30
Intrusion Detection Systems (IDS) -Two Classes � Misuse intrusions � Well-defined attacks on known weak points within a system � Can be detected by watching for certain actions being performed on certain objects � Can use pattern matching techniques on audittrail information © Pearson Education Information Security: Principles and Practices 31
Page 1 and 2: Information Security Principles and
Page 3 and 4: Network Security in Context � Con
Page 5 and 6: OSI Reference Model cont. © Pearso
Page 7 and 8: OSI Reference Model and TCP/IP cont
Page 9 and 10: OSI Reference Model and TCP/IP cont
Page 11 and 12: OSI Model and Security � Security
Page 13 and 14: Data Network Types cont. � Intern
Page 15 and 16: Basic Security Infrastructures cont
Page 17 and 18: Basic Security Infrastructures cont
Page 19 and 20: Firewalls � Firewalls typically r
Page 21 and 22: Firewalls cont. � Bastion Hosts
Page 23 and 24: Firewalls cont. � Limitations of
Page 25 and 26: Application-Level Gateway Firewall
Page 27 and 28: Screened Host Firewall System (Sing
Page 29: Screened-Subnet Firewall System ©
Page 33 and 34: Intrusion Detection Systems (IDS) c
Page 35 and 36: Virtual Private Networks (VPNs) �
Page 37 and 38: Virtual Private Networks (VPNs) con
Page 39 and 40: Virtual Private Networks (VPNs) con
Page 41: Summary � The Telecommunications,

merkow ppt 12-JRM

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