Describe malware prevention strategies

What is Malware? 🤖

Malware is like a sneaky burglar that hides inside your computer or device. It can steal data, slow you down, or even lock you out of your own files. Think of it as a virus that spreads through emails, downloads, or even infected websites.

Common Types of Malware 📧🌐

• Viruses – attach to legitimate files and spread when you share them.
• Worms – self‑replicate over networks without needing a host file.
• Trojans – disguise themselves as useful software.
• Ransomware – lock your files and demand payment.
• Spyware – secretly records your activity.

Key Prevention Strategies 🚀

1. Keep Software Updated – Like patching holes in a fence, updates close security gaps.
   Analogy: Imagine a castle with a broken gate; an update is the repair that stops the enemy from entering.
2. Use Antivirus & Anti‑Malware Tools – Think of them as a guard dog that alerts you when something suspicious approaches.
   Tip: Schedule regular scans and keep the virus definition database current.
3. Enable Firewalls – Acts like a moat that blocks unwanted traffic.
   Example: Windows Firewall or a router’s built‑in firewall.
4. Practice Safe Browsing – Avoid clicking on unknown links or downloading files from untrusted sites.
   Analogy: Don’t open a door that you didn’t ask for; check the lock first.
5. Use Strong, Unique Passwords – Like a complex lock that’s hard to pick.
   Tip: Use a mix of letters, numbers, and symbols; consider a password manager.
6. Enable Two‑Factor Authentication (2FA) – Adds an extra key to the lock.
   Analogy: Even if someone knows the password, they still need the second factor (e.g., a code on your phone).
7. Regular Backups – Think of it as a spare key stored safely.
   Tip: Store backups offline or in a separate cloud account.

Malware Type vs Prevention Table 📊

Examination Tips for A‑Level IT 9626 📚

• Use clear headings and bullet points to structure your answer.
• Include at least three prevention strategies and explain how each stops malware.
• Provide a real‑world example or analogy to demonstrate understanding.
• Show awareness of the latest malware trends (e.g., ransomware variants).
• Use diagrams or tables where appropriate to summarise information.
• Remember to discuss the importance of user behaviour and policy in prevention.