Survey question: "Do you know about the following attacks or threats on the internet? For each item, please choose one respective answer that applies."
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Awareness of DoS attacks among smartphone users Japan 2022
According to a survey conducted in December 2022, more than ** percent of smartphone users in Japan neither knew the term nor the meaning of denial-of-service (DoS) attacks. Successful DoS attacks overwhelm network resources by sending a large number of requests, which render certain online services, such as company websites, temporarily unavailable.
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Information-technology Promotion Agency, Japan. (February 16, 2023). Share of smartphone users who know about denial-of-service (DoS) attacks in Japan as of December 2022 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 24, 2026, from /statistics/1228489/japan-awareness-of-dos-attacks-among-mobile-device-users/
Information-technology Promotion Agency, Japan. "Share of smartphone users who know about denial-of-service (DoS) attacks in Japan as of December 2022." Chart. February 16, 2023. ÌÇÐÄÆƽâ°æ. Accessed July 24, 2026. /statistics/1228489/japan-awareness-of-dos-attacks-among-mobile-device-users/
Information-technology Promotion Agency, Japan. (2023). Share of smartphone users who know about denial-of-service (DoS) attacks in Japan as of December 2022. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 24, 2026. /statistics/1228489/japan-awareness-of-dos-attacks-among-mobile-device-users/
Information-technology Promotion Agency, Japan. "Share of Smartphone Users Who Know about Denial-of-service (Dos) Attacks in Japan as of December 2022." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 16 Feb 2023, /statistics/1228489/japan-awareness-of-dos-attacks-among-mobile-device-users/
Information-technology Promotion Agency, Japan, Share of smartphone users who know about denial-of-service (DoS) attacks in Japan as of December 2022 ÌÇÐÄÆƽâ°æ, /statistics/1228489/japan-awareness-of-dos-attacks-among-mobile-device-users/ (last visited July 24, 2026)
Share of smartphone users who know about denial-of-service (DoS) attacks in Japan as of December 2022 [Graph], Information-technology Promotion Agency, Japan, February 16, 2023. [Online]. Available: /statistics/1228489/japan-awareness-of-dos-attacks-among-mobile-device-users/
