Thanks to those who joined us in Seattle, WA, USA, for the Twenty-First Symposium on Usable Privacy and Security (SOUPS 2025). We hope you enjoyed the event.
SOUPS brings together an interdisciplinary group of researchers and practitioners in human-computer interaction, security, and privacy.
As part of our commitment to open access to research, the full proceedings and presentation slides are free and open to the public on the technical sessions page. Videos are posted within a few weeks of the end of the event.
SOUPS 2025 Workshops
See the Call for Workshops Submissions page for an overview of all of these events.
The following events will be held on Sunday, August 10:
Workshop on Societal and User-Centered Privacy in AI (SUPA 2025):
9:00 am–12:20 pm
Workshop on Developing Research Transparency Guidelines in Human-Centered Privacy and Security:
9:00 am–4:45 pm
4th Annual Workshop on Privacy Threat Modeling:
2:00 pm–6:00 pm
2nd Gender, Online Safety, and Sexuality Workshop (GOSS 2025):
9:00 am–6:00 pm (offsite at University of Washington)
Registration Information
Early Bird Registration Deadline: Monday, July 21, 2025
See the Registration Information page for details, including fees, discount information, and other deadlines.
Discounts
In addition to our member discounts, USENIX offers several discounts to help you to attend SOUPS 2025, including a hardship discount for USENIX members who are unemployed or retired, in between jobs, or lack employer support.
Accessibility Information
USENIX is committed to ensuring that our meetings are fully accessible to all attendees. Visit our accessibility information page for details on mothers' rooms, ADA accessibility accommodation options, and how to make a request.
To ensure that we meet your needs, please make your request by Monday, July 21, 2025. We cannot guarantee that we can meet requests received after this date, although we will make every reasonable effort to do so.
Venue
Seattle Convention Center | Arch
705 Pike St
Seattle, WA 98101
USA
Hotel Information
Hotel Discount Deadline: Monday, July 21, 2025 Monday, July 28, 2025
USENIX has negotiated special guest room rates for symposium attendees, including in-room wireless internet, at the following hotels. To receive these rates, book your room online below or call the hotel and mention USENIX when making your reservation.
The group rates will be available through their respective deadlines or until the room blocks sell out, whichever occurs first. After this deadline, contact either of the hotels directly to inquire about room availability.
Hyatt Regency Seattle
808 Howell St
Seattle, WA, 98101
USA
Rate: 1 King Bed, single or double occupancy at $289/night
Book your room online or call +1 206.973.1234 and mention USENIX.
Hyatt at Olive 8
1635 8th Ave
Seattle, WA, 98101
USA
Rate: 1 King Bed or 2 Queen Beds, single or double occupancy at $279/night
Book your room online or call +1 206.695.1234 and mention USENIX.
Room and Ride Sharing
USENIX maintains a Google Group to facilitate communication among attendees seeking roommates and ride sharing. You can sign up for free to find attendees with whom you can share a hotel room, taxi, shuttle, or other ride-share service. Please include the event name in the subject line when posting a new request.
Parking
See each hotel's website for up-to-date parking information and rates.

About SOUPS 2025
Questions?
Review our Conference FAQs, and send direct queries via email:
Registration: [email protected]
Membership: [email protected]
Sponsorship: [email protected]
Student Grants: [email protected]
Proceedings Papers: [email protected]
Symposium Organizers
Technical Papers Committee
Lightning Talks and Demos Co-Chairs
Karat Award Chair
Karat Award Committee
Posters Co-Chairs
Tutorials and Workshops Co-Chairs
USENIX Liaison
Become a Sponsor
Request the sponsorship prospectus by emailing [email protected] with the conference name in your subject line to learn more.
The acceptance of any organization as a sponsor does not imply explicit or implicit approval by USENIX of the sponsoring organization’s values or actions. In addition, sponsorship does not provide any control over conference program content. Questions? Email [email protected].








