Computer Networks/Security/Threats

This lesson covers threats and vulnerabilities.

Objectives and Skills

Objectives and skills for the threats and vulnerabilities portion of Network+ certification include:^[1]

• Compare and contrast common network vulnerabilities and threats
  • Attacks/threats
    • Denial of service
      • Distributed DoS
        • Botnet
        • Traffic spike
        • Coordinated attack
      • Reflective/amplified
        • DNS
        • NTP
        • Smurfing
      • Friendly/unintentional DoS
      • Physical attack
        • Permanent DoS
    • ARP cache poisoning
    • Packet/protocol abuse
    • Spoofing
    • Wireless
      • Evil twin
      • Rogue AP
      • War driving
      • War chalking
      • Bluejacking
      • Bluesnarfing
      • WPA/WEP/WPS attacks
    • Brute force
    • Session hijacking
    • Social engineering
    • Man-in-the-middle
    • VLAN hopping
    • Compromised system
    • Effect of malware on the network
    • Insider threat/malicious employee
    • Zero day attacks
  • Vulnerabilities
    • Unnecessary running services
    • Open ports
    • Unpatched/legacy systems
    • Unencrypted channels
    • Clear text credentials
    • Unsecure protocols
      • TELNET
      • HTTP
      • SLIP
      • FTP
      • TFTP
      • SNMPv1 and SNMPv2
    • TEMPEST/RF emanation

Multimedia

1. Watch YouTube: Denial of Service - CompTIA Network+ N10-006 - 3.2.
2. Watch YouTube: Wireless Network Attacks - CompTIA Network+ N10-006 - 3.2.
3. Watch YouTube: Wireless Protocol Attacks - CompTIA Network+ N10-006 - 3.2.
4. Watch YouTube: Brute Force Attacks - CompTIA Network+ N10-006 - 3.2.
5. Watch YouTube: Session Hijacking - CompTIA Network+ N10-006 - 3.2.
6. Watch YouTube: Social Engineering - CompTIA Network+ N10-006 - 3.2.
7. Watch YouTube: Man in the Middle Attacks - CompTIA Network+ N10-006 - 3.2.
8. Watch YouTube: VLAN Hopping - CompTIA Network+ N10-006 - 3.2.
9. Watch YouTube: Compromised Systems - CompTIA Network+ N10-006 - 3.2.
10. Watch YouTube: Insider Threats - CompTIA Network+ N10-006 - 3.2.
11. Watch YouTube: Zero-day Attacks - CompTIA Network+ N10-006 - 3.2.
12. Watch YouTube: Operating System Vulnerabilities - CompTIA Network+ N10-006 - 3.2.

References