An analysis of data from Have I Been Pwned? reveals that about 10% of people use the same four-digit PIN. Despite the vast 10,000 possible combinations, human behavior significantly narrows this down. If a thief has only five attempts to guess a PIN, they have a one-in-eight chance of success. A heatmap of PIN usage shows that avoiding diagonal and horizontal patterns could enhance security. This statistic underscores the importance of choosing less predictable PINs to safeguard personal devices and financial assets.
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