Lecture 2 - Network Security Flashcards
Basic Network Definition
Set of devices connected together.
Four points of network security
Hint: SAMS
Scalability (grow in users)
Availability (continuous)
Manageability (Staff able to manage)
Security (Not after thought)
Seven Domains of IT infra
- User
- Workstation
- LAN
- LAN to WAN
- WAN
- Remote Access
- System/App
User domain
Any individual associated with the org, with or without logins.
User Domain Threats
Social engineering/phishing
Workstation domain
Workstations/standalone systems and home computers.
Workstation domain threats
Malware, port scanning, default pass, unpatched OS
LAN Domain
Hosts on private LANs
LAN to WAN Domain
Routers/firewalls at LAN/WAN connection point
2 LAN to WAN Domain threats
Port scanning
DOS
LAN to WAN Domain vulnerabilities
Weak permeter security, default config, misconfig
LAN to WAN domain risks
Instability and malicious traffic
Remote Access Domain
Org resources via remote access
Remote Access Domain Threats
Malware, rogue access point
Remote Access Domain vulnerabilities
Unencrypted wireless, weak security controls