praxis.ibLog in
A2.4 Network securityA2.4.2

Common network vulnerabilities

Describe common network vulnerabilities

HL only≈ 50 minCommand term: DescribePremium

In this lesson

  • Threats to a network's availability and to data in transit: DDoS, insecure protocols, man-in-the-middle
  • Attacks on people, accounts and software: malware, phishing, weak authentication, unpatched software, zero-day exploits
  • Attacks on web applications: SQL injection and cross-site scripting

This lesson is part of Premium

Every topic has one free lesson. Premium unlocks every interactive lesson, the exam-style questions at the end of each one, and the rest of Praxis IB.

Log in or sign upTry the free lesson: A2.4.1 Effectiveness of firewalls at protecting a network

What's inside

  1. LearnAttacks on availability and on data in transit
  2. LabA man in the middle
  3. CheckQuick check
  4. LearnAttacks on people, accounts and software
  5. CheckName the vulnerability
  6. LearnAttacks on web applications
  7. ExamWorked exam answer
  8. ReviewMistakes examiners see
  9. Exam practiceExam-style questions

Ends with 5 exam-style questions worth 15 marks, with a self-marking markscheme.