1 In cyber security, why do we need backup our data on our computers or other gadgets? explain. * 2 How we can avoid social engineering and malicious software? 3. Why do we need use a strong password...

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Extracted text: 1 In cyber security, why do we need backup our data on our computers or other gadgets? explain. * 2 How we can avoid social engineering and malicious software? 3. Why do we need use a strong password when we are log in and sign up on the internet or application?