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Tech policy researcher at Stanford. You can't be both pro-choice and anti-encryption.
Pronounsshe/her/hers
Bluesky@riana.bsky.social
Reminder that I maintain a periodically-updated reading list of papers at the intersection of E2EE and Trust & Safety; suggestions welcome: https://docs.google.com/spreadsheets/d/1aYaDogBF6JegBILgbf--leewyFf-kzkdQwJCjvHTFqI/edit?gid=0#gid=0
Encryption + Trust & Safety reading list (updated 2026-05-20)

Google Docs
Reminder that I maintain a periodically-updated reading list of papers at the intersection of E2EE and Trust & Safety; suggestions welcome: https://docs.google.com/spreadsheets/d/1aYaDogBF6JegBILgbf--leewyFf-kzkdQwJCjvHTFqI/edit?gid=0#gid=0
Encryption + Trust & Safety reading list (updated 2026-05-20)

Google Docs
For the first time, starting this year the IEEE Cybersecurity Award for Practice will be given out at Oakland! Nominations are open now for the award, which is intended to recognize individuals and small teams who are generating transformative cybersecurity capabilities that have been realized. Deadline for nominations is February 24. More info here: https://sp2026.ieee-security.org/nominations-cybersecurity-award.html
IEEE Symposium on Security and Privacy 2026

For the first time, starting this year the IEEE Cybersecurity Award for Practice will be given out at Oakland! Nominations are open now for the award, which is intended to recognize individuals and small teams who are generating transformative cybersecurity capabilities that have been realized. Deadline for nominations is February 24. More info here: https://sp2026.ieee-security.org/nominations-cybersecurity-award.html
IEEE Symposium on Security and Privacy 2026

Cool paid opportunity to participate in important research on ethical best practices for nude image datasets, helmed by Elissa Redmiles, as a follow-up to the same research team's recent NeurIPS paper (https://openreview.net/pdf?id=Ev5xwr3vWh):
Cool paid opportunity to participate in important research on ethical best practices for nude image datasets, helmed by Elissa Redmiles, as a follow-up to the same research team's recent NeurIPS paper (https://openreview.net/pdf?id=Ev5xwr3vWh):
I'm on today's episode of The Verge's Decoder podcast with Nilay Patel, talking about, of course, Grok: https://www.theverge.com/podcast/865275/grok-deepfake-undressing-elon-musk-content-moderation
Why nobody’s stopping Grok

Grok’s AI undressing crisis is proving to be an existential moment for what’s left of the United States’ content moderation infrastructure.

The Verge
This Wednesday at 12pm PT! Come to the book talk I'm hosting with Adam Becker and @rezendi at Stanford HAI - in-person and Zoom options available! https://hai.stanford.edu/events/adam-becker-and-jon-evans-book-talk
This Wednesday at 12pm PT! Come to the book talk I'm hosting with Adam Becker and @rezendi at Stanford HAI - in-person and Zoom options available! https://hai.stanford.edu/events/adam-becker-and-jon-evans-book-talk
Musk's Grok AI faces more scrutiny after generating sexual deepfake images

Elon Musk was forced to put restrictions on X and its AI chatbot, Grok, after its image generator sparked outrage around the world. Grok created non-consensual sexualized images, prompting some countries to ban the bot. Liz Landers discussed Grok's troubles with Riana Pfefferkorn of the Stanford Institute for Human-Centered Artificial Intelligence.

PBS News