BAB 7uad.uthm.edu.my/v2/modulkursus2/modulkursuskawalanit/... · 2013-09-05 · BAB 7 NETWORK...
Transcript of BAB 7uad.uthm.edu.my/v2/modulkursus2/modulkursuskawalanit/... · 2013-09-05 · BAB 7 NETWORK...
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BAB 7
NETWORK CONTROL
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IT SECURITY
Network Comunication Control
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Session Overview
d Jargon d Networks risks, security d issues and controls' d Internet security
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Network Revision
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Comunication Devices
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Transmission Media
Twisted pair
Coaxial cable fibre
optic Wi-Fi
Bluetooth
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Protocols OSI Model
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Thrects and Risks - Malware Virus
Worm
Trojan hors Logic Bomb
Mobile Code
Backdoor
Zommbie
Keystroke Logger
Rottkit
Phising
Virus Hoaxes
Spyware
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IT Reats and Risks (Contd)
Attacker Toolkits
Reconnaissance Attacker
Attacker on Integrity
Denial of services (DOS) Attacker
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Comunication and Network Controls
Network Policy and
procedures
Denial of services protecion
Boundory Protecion devices
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Comunication and Network Control (Col’ltd)
Restricted remote Acess
Virtual Private Network (VPNs)
Malware Prevention and Handling
Instrustion and Prevention (IOP System)
Security of WLAN
IEEE 802.11 I WPA 2
Prefereed Over IEEE 802.11 a/big and WPA
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Coundary Protection Devices
oPacket filter firewall
oStateful inspection firewall
oAplication – poxcy gateway firewall
oDedicated proxcy servers
oHost-based Firewall
oPersonal firewall personal firewall appliance
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Voice Over IP ( VOIP) Security Considerations
•Increased vulnearbility Over POTS
•Logical separation of voice and data networks
•Firewall designed for VOIP protocols
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May Security Planing
Mail server OS and aplication
deploment,configuration,and management
Patch /hotfix management
Encryption (at least for user authentication)
Malware Protection
Backup and testing
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Admission Integrity
Error detectoin and correction
controls
Loop/ echo checks
Redundancy check
Parity Checks