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1.4

Network Security

Threats and protection methods

Malware: Viruses, worms, trojans, ransomware, spyware

Social engineering: Phishing, shoulder surfing, blagging

Brute force attacks: Try all password combinations

Firewalls filter incoming/outgoing traffic

Encryption scrambles data so only intended recipient can read

Penetration testing identifies vulnerabilities

Exam Tips

  • Always define key terms before explaining concepts
  • Use specific examples where possible to demonstrate understanding
  • Check mark allocation - one point per mark is a good guide