I study the security and digital safety threats that emerge when people interact with sociotechnical systems at scale. These days, I've been calling this subfield sociotechnical cybersecurity. I blend large-scale, data-driven measurements with human-centered studies to understand how such threats, which range from misinformation to online abuse, are operationalized in practice and how people experience them. Ultimately, my work contributes insights, data, defenses, and systems that seek to make the Internet a safer place for all people.

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