The Science Behind Password Entropy Explained Simply
2025-11-10T18:45:00Z
Password entropy measures unpredictability. Think of it as a score for how hard your password is to guess. A 10-character password using only lowercase letters has 26^10 combinations, while adding uppercase, numbers, and symbols raises that dramatically. Aim for over 80 bits of entropy — that’s practically uncrackable with current technology.