KwickClips Computer Science · 43 sec · free
Why must anti-virus be updated?
Short answer. New malware appears daily and needs new signatures.
What is a patch?
An update that closes a weak point.
Why update?
| Anti-virus matches known malware |
| New malware needs new lists |
| Patches close weak points |
Remember
| Keep anti-virus updated |
| Turn on automatic updates |
Always tapping remind me later? Mistake. Here is why. Anti-virus matches files with known malware. New malware needs a new list. Updates patch weak points attackers use. Remember. Keep anti-virus updated. Turn on automatic updates.
This clip is from the full lesson: Protecting Systems: Firewalls, Anti-virus, Encryption and Updates — 8 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 11 Information Technology (802), Cambridge IGCSE Grade 9 Computer Science (0478), Cambridge IGCSE Grade 9 Computer Science (0478), Cambridge IGCSE Grade 10 Computer Science (0478)
More KwickClips from this lesson
What does a firewall check?42 sec
Which is faster?42 sec
Does the padlock prove the site is honest?46 secDisclaimer. KwickAcademy is free study material for general learning and revision. Parts of it, including the voice-over, are produced with the help of AI tools and may contain errors; if you spot one, please tell us and we will correct it. Syllabus, marks and exam details follow the latest official board publications available to us, and boards can change them at any time, so always confirm against your board's official website and your school. Using this material does not guarantee any marks or result. Board names and trademarks belong to their owners; Kwickprep is not affiliated with or endorsed by any examination board. We never ask for passwords, OTPs or ID numbers. Your progress is saved only in this browser. Full disclaimer · Privacy