In 2023, Gmail was the e-mail service most frequently abused in social engineering attacks worldwide, with 22 percent of such attacks using it. Outlook, Hotmail, and other services ranked far behind.
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Barracuda Networks. (June 30, 2023). E-mail services most frequently abused in social engineering attacks worldwide in 2023 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 15, 2026, from /statistics/1493498/social-engineering-attack-e-mail-services/
Barracuda Networks. "E-mail services most frequently abused in social engineering attacks worldwide in 2023." Chart. June 30, 2023. ÌÇÐÄÆƽâ°æ. Accessed July 15, 2026. /statistics/1493498/social-engineering-attack-e-mail-services/
Barracuda Networks. (2023). E-mail services most frequently abused in social engineering attacks worldwide in 2023. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 15, 2026. /statistics/1493498/social-engineering-attack-e-mail-services/
Barracuda Networks. "E-mail Services Most Frequently Abused in Social Engineering Attacks Worldwide in 2023." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 30 Jun 2023, /statistics/1493498/social-engineering-attack-e-mail-services/
Barracuda Networks, E-mail services most frequently abused in social engineering attacks worldwide in 2023 ÌÇÐÄÆƽâ°æ, /statistics/1493498/social-engineering-attack-e-mail-services/ (last visited July 15, 2026)
E-mail services most frequently abused in social engineering attacks worldwide in 2023 [Graph], Barracuda Networks, June 30, 2023. [Online]. Available: /statistics/1493498/social-engineering-attack-e-mail-services/
