1. Spyware: Collects personal information without user consent. 2. Adware: Displays intrusive advertisements. 3. Ransomware: Encrypts files and demands payment for decryption. 4. Keylogger: Tracks keystrokes to steal sensitive information. 5. Trojan Horse: Conceals malicious code within seemingly harmless software. 6. Rootkit: Stealthily gains privileged access to a system. 7. Fake Antivirus: Tricks users into downloading fake security software. 8. Fake Update: Prompts users to download malicious updates. 9. Phishing: Deceives users into revealing personal information. 10. Botnet: Controls a network of infected computers for malicious purposes. 11. Drive-by Download: Automatically downloads malware when visiting a compromised website. 12. Browser Hijacker: Redirects browser searches to malicious websites. 13. Fake Tech Support: Tricks users into paying for unnecessary technical support. 14. Malvertising: Delivers malware through online advertisements. 15. Worm: Spreads malware across networks without user interaction. 16. Social Engineering: Manipulates users into divulging sensitive information. 17. DNS Changer: Redirects internet traffic to malicious servers. 18. Click Fraud: Generates fraudulent ad clicks to generate revenue. 19. Root Certificate Abuse: Uses fraudulent certificates to intercept secure communications. 20. Man-in-the-Middle Attack: Intercepts and alters communications between parties. 21. Fileless Malware: Executes malicious code in system memory without leaving traces on disk. 22. Formjacking: Steals payment card information entered on web forms. 23. Cryptojacking: Uses computer resources to mine cryptocurrencies without user consent. 24. Toolbar: Installs unwanted browser toolbars that collect data and display ads. 25. MacKeeper: PUP (Potentially Unwanted Program) that claims to optimize Mac performance but can cause performance issues. 26. WinZip Driver Updater: PUP that claims to update drivers but can introduce security vulnerabilities. 27. We
