The most common password encountered over a 45 day period worldwide in 2021 was admin, used nearly 21 million times. Other passwords such as root, nc11, user and enable, were used over three million times.
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Microsoft. (October 1, 2021). Most common passwords used in Internet of Things (IoT) devices over a 45 day period worldwide in 2021 (in 1,000s) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/1298495/frequently-seen-passwords-in-iot-devices/
Microsoft. "Most common passwords used in Internet of Things (IoT) devices over a 45 day period worldwide in 2021 (in 1,000s)." Chart. October 1, 2021. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/1298495/frequently-seen-passwords-in-iot-devices/
Microsoft. (2021). Most common passwords used in Internet of Things (IoT) devices over a 45 day period worldwide in 2021 (in 1,000s). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/1298495/frequently-seen-passwords-in-iot-devices/
Microsoft. "Most Common Passwords Used in Internet of Things (Iot) Devices over a 45 Day Period Worldwide in 2021 (in 1,000s)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 Oct 2021, /statistics/1298495/frequently-seen-passwords-in-iot-devices/
Microsoft, Most common passwords used in Internet of Things (IoT) devices over a 45 day period worldwide in 2021 (in 1,000s) ÌÇÐÄÆƽâ°æ, /statistics/1298495/frequently-seen-passwords-in-iot-devices/ (last visited July 25, 2026)
Most common passwords used in Internet of Things (IoT) devices over a 45 day period worldwide in 2021 (in 1,000s) [Graph], Microsoft, October 1, 2021. [Online]. Available: /statistics/1298495/frequently-seen-passwords-in-iot-devices/
