821What is the purpose of ’Windows Defender’ (or similar built-in security tools)?
822What does ’quarantine’ mean when an antivirus program detects a threat?
823Why should software only be downloaded from official or trusted sources?
824What is a ’zero-day vulnerability’ in cybersecurity?
825What is ’multi-factor authentication’ generally designed to improve?
826What is the risk of using outdated/unsupported software?
827What does ’HTTPS’ in a website’s address bar generally indicate to users?
828What is the padlock icon often shown in a browser’s address bar meant to indicate?
829What should you do if you suspect your computer is infected with malware?
830Why is regular software and OS updating considered an important security habit?
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