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Digital Citizenship and Safety

Quick questions on Passwords and account security: N-Level Computer Applications digital citizenship

2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is a unique password for each account?
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You should use a different password for each account. If you reuse one password and a single site is hacked or leaked, an attacker who gets that password can log into every other account that uses it. A unique password per account means a leak affects only that one account, limiting the damage.
What is two-factor authentication?
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Two-factor authentication (2FA) means you need two things to log in: your password, plus a second proof of identity. Even if someone steals your password, they still cannot get in without the second factor. Common second factors include:

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