Vulnerabilities, threats, attacks and countermeasures; and the forms of computer misuse such as cyberbullying, data theft, malware, phishing, identity theft, piracy and denial of service, with their effect on individuals, organisations and governments.
5 narrated scenes. Press play, listen and read along — the points appear as they are explained. Use ‹ Prev / Next › or the scene bar to jump to any scene.
A fake email, a stolen password or a flood of traffic can shut down a business or empty a bank account. To defend a system you must first understand how it can be attacked.
Narration uses your device’s built-in voice. No sound? Switch to “Captions only” — the captions advance on their own.
Copy these into your notebook in your own words — that is how they stick.
Protecting systems and data from damage, theft and misuse.
Protecting networked systems and the Internet.
Weakness / thing that could exploit it.
Actual attempt / action that reduces the risk.
Trick users into giving details; use someone’s identity.
Viruses, worms, trojans, spyware, ransomware.
Flooding a server to make it unavailable.
Individuals, organisations, governments.
3 quick games on this lesson. Earn XP and badges as you play — your best score for each game is saved. Games are for practice and do not change your exam readiness. More games in the Information Technology Arcade.
8 items modelled on real CSEC Paper 1 questions. Choose one answer for each, then check. Aim for 80% or better. Work each item on paper first.
Write full answers, then reveal the mark scheme and tick the points you earned (15 marks in total). Show all your working — method marks count. Your answers are saved on this device.
Question 1 [15 marks]
A school’s website was slowed down by thousands of requests, and a teacher received an email asking her to “confirm your password” on a fake website.
(a) (a) Name the two types of attack described. [2]
(b) (b) Define the terms vulnerability and countermeasure and give one example of each for the teacher’s email account. [4]
(c) (c) Explain how phishing may harm the teacher. [2]
(d) (d) Assess the impact of a successful denial of service attack on an online shop. [3]
(e) (e) Name two other forms of computer misuse and state one effect of each. [4]
Find these in your own past-paper booklets for extra timed practice. Items above are written in the style of these papers; any adapted from a specific question say so.