Apr 22, 2025

80% of Cybersecurity Platform-Delivered GenAI

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The statistics reveal a clear dominance of Gmail in the email landscape, accounting for a substantial 72.25% of the top 100 usernames. Considering that Gmail has approximately 1,8 billion users6, and Hotmail—the second-ranked provider—has about a fifth of that with 400 million users, the distribution of percentages seems somewhat consistent but not perfectly proportional. This suggests that the frequency of Gmail's occurrences is disproportionately high relative to its user base compared to Hotmail. The high affectation of Gmail accounts could be linked to their integration with Google services and their use as an authentication method for logging into many other platforms. However, these remain unconfirmed and are hypotheses proposed to explain the observed disproportion.

Additionally, regional preferences are evident with providers: out of the top 100, 58 domains are regional domains, with a dominance of French, Dutch, and German providers. Legacy providers maintain a presence, albeit much smaller, pointing to the continued use of older email services in certain demographics or regions.

In the top 100 domains, we could not locate any specific provider that could refer to a governmental entity or a corporate domain. This leads us to conclude that there was no major corporate breach in the period analyzed, which would make corporate domains peak in our results. The collected credentials follow an expected pattern of types of compromised accounts that are used for everyday personal purposes.