Check-up quizzes for all six weeks, flashcards for every key word, and three labs: how long a password takes to crack, a Caesar cipher you can break, and a risk scorer.
Never type a real password here. Choose the kind of password instead.
Each extra character multiplies the possibilities. Unique passwords and multi-factor authentication matter as much as length.
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Try cracking WKH NHB LV XQGHU WKH PDW: look for the row that reads as English.
Score a risk: likelihood × impact, each from 1 (low) to 5 (high).