Digital Safety Essentials
Original digital-safety study cards independently composed as general safety education informed by public cybersecurity guidance. Covers passwords, multi-factor authentication, phishing, safe browsing and downloads, public Wi-Fi, software updates, backups, personal-data hygiene, social engineering, and what to do after a scam.
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- 1
What makes a password strong?
答案A password that is long, used on only that one account, and not built from guessable personal details.
Length and uniqueness matter more than tricky symbol substitutions; every account deserves its own password.
- 2
What is a passphrase?
答案A password made by chaining several unrelated words together, giving long length while staying memorable.
Long random-word passphrases are hard to crack yet easier to remember than short complex strings.
- 3
What is credential stuffing?
答案An attack that automatically tries username and password pairs leaked from one breach on many other websites.
It only works when people reuse passwords, which is why every account needs a unique one.
- 4
What does a password manager do for you?
答案It generates strong, unique passwords for each account and stores them behind one master password you remember.
You remember one strong master password instead of dozens of weak, reused ones.
- 5
Which of these passwords is the strongest choice?
- 1A six-word passphrase of random unrelated words
- 2Summer2026!
- 3jsmith1990
- 4Password1
答案A six-word passphrase of random unrelated words
Long random-word passphrases are far harder to crack than short strings built from names, years, or common words.