22. AQA GCSE (8525) SLR4 - 3.6 Security measures

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AQA Specification Reference - Section 3.6.1 - 3.6.3
Don't forget, whenever the blue note icon appears in the corner of the screen, that is your cue to take notes about the content being shown on the current slide.

0:00 Introduction
0:45 Biometrics
1:31 Password systems
3:03 CAPTCHA
3:58 Email confirmation
4:31 Automatic software updates

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