NETWORK SECURITY

NETWORK SECURITY

Network Characteristic
1. Anonymity
2. Automation
3. Distance
4. Opaqueness
5. Routing Diversity
What makes Network Vulnerable?
1. Anonymity
2. Many Points of Attack
3. Sharing
4. Complexity of System
5. Unknown Perimeter
6. Unknown Path
Components of An Attack
1. Method
2. Oppurtinity
3. Motive
  1. Challenge
  2. Fame
  3. Money and Espionage
  4. Ideology
Threat Precursors
1. Port Scan
2. Social Engineering
3. Reconnaissance
4. Bulletin Boards and Charts
Threats
1. Wiretapping
  1. Cable
  2. Microwave
2. Spoofing
  1. Masquerade
  2. Session Hijacking
  3. Man-in-the-Middle Attack
3. Message Confidentiality
  1. Misdelivery
  2. Exposure
  3. Traffic Flow Analysis
4. Message Integirty Threats
  1. Falsification of Messages
  2. Noise (Unintentional interference)
5. Website Defacement
  1. Buffer Overflows
  2. Dot-dot Address problems
  3. Application Code Errors
  4. Server Side Include
6. Denial of Service (DOS)
  1. Transmission Failure
  2. Connection Flooding
  3. Syn Flood
  4. Traffic Redirection
  5. DNS Attacks
7. Distributed DOS( DDOS)
8. Threats to Active and Mobile Code
  1. Cookies
  2. Scripts
  3. Active Code
Network Security Control
1. Architecture
  1. Segmentation
  2. Redundancy
  3. Single Point of Failure
2. Encryption
  1. Link Encryption
  2. End-to-end Encryption
3. Strong Authentication
  1. One-time password
  2. Challenge-response systems
  3. Kerberos
4. Access Control
  1. Router and Firewall
  2. Intrusion Detection System
5. Alarms and Alerts
6. Honeypots
7. Traffic Flow Security

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	Created by natsume_aina over 8 years ago