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Computer Science IGCSEPDF 62
142 pagesrevision 46930
PDF 62
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Hardware or software that
Software patches fix vulnerabilities and enhance protection.
One-Time Passwords (OTPs)
Biometric data (fingerprints, facial recognition, retina scans)
Requires two forms of identification (e.g., password + OTP or fingerprint).
Adds an additional layer of security.
Scam emails often have poor grammar and urgency (“Your account will be
closed!”).
Intrusive, fails if finger is
dirty/damaged
Easy to use, low storage needed
Extremely accurate, unique to each Intrusive, expensive,
person
time-consuming
Affected by lighting, aging, or
glasses
Easily recorded, affected by
illness
Non-intrusive, fast, affordable
Quick, non-intrusive, inexpensive
Firewalls
Two-Step Verification
Biometric Methods
Method
Fingerprint
Scan
Benefits
Retina Scan
Face
Recognition
Voice
Recognition
Spelling and Tone in Emails
Automatic Software Updates
Drawbacks
monitors and filters incoming/outgoing traffic.
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