Consensual Software O'Reilly Security Conference

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Consensual Software Danielle Leong Application Engineer GitHub

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Consensual Software: Prioritizing Trust & Safety ! @tsunamino 2 @tsunamino

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Consensual Software: Prioritizing Trust & Safety ! @tsunamino 3 @tsunamino

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Consensual Software: Prioritizing Trust & Safety ! @tsunamino 4 @tsunamino

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Consensual Software: Prioritizing Trust & Safety ! @tsunamino 6 @tsunamino

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Consensual Software: Prioritizing Trust & Safety ! @tsunamino 8 @tsunamino

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Consensual Software: Prioritizing Trust & Safety ! @tsunamino 9 @tsunamino

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Danielle Leong @tsunamino @consentsoftware

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Consensual Software: Prioritizing Trust & Safety ! @tsunamino 12 @tsunamino GitHub

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Title Text @tsunamino

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Build systems that empower inclusive and healthy communities and encourage good online citizenship. Discourage behavior that is destructive or threatens personal safety. @tsunamino

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Security protects the company from bad actors. We protect people from other people. http://www.pewresearch.org/fact-tank/2015/11/10/key-takeaways-mobile-apps/

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•Not using full names on social media sites •Not using real photos for avatars •Turning oﬀ location tracking data •Regularly Googling name, address, & phone numbers •Using a burner phone number service & PO boxes •Turning oﬀ direct messages •Not live posting on social media during vacation Keeping your info private is hard

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60% of Americans will not download an app if they discover how much personal information the app requires Pew Research Center

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90% of smartphone owners say having clear information about how their data will be used is “very” or “somewhat” important when choosing to download an app Pew Research Center

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Software isn’t built with privacy or safety in mind @tsunamino

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What if software respected personal boundaries @tsunamino

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What if software asked for your consent? @tsunamino

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Consensual Software: Prioritizing Trust & Safety ! @tsunamino 22 https://www.youtube.com/watch?v=oQbei5JGiT8&t=1s

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Consensual Software: Prioritizing Trust & Safety ! @tsunamino 23

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Consensual Software: Prioritizing Trust & Safety ! @tsunamino 24

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Consensual software needs to go beyond GDRP and ePrivacy Regulations @tsunamino

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Consensual software is a design pattern that asks for the user’s consent to interact with them or their data @tsunamino

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Consent to interact with the person @tsunamino

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How can this feature be used to hurt someone? @tsunamino

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Principle of least privilege but for people’s information @tsunamino

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Features should be opt-in, not opt-out @tsunamino

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Consent to use a person’s data @tsunamino

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Determine what information is private @tsunamino

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Private Public •Full names (current or former) •Birthday •Government IDs •Phone numbers •Addresses •Passwords •Biometrics •IPs •Credit card/bank info •Geographic locations •Intimate photos •Info the user has consented to be public •Likes •Avatars •Handles or usernames Semi-Private •Email addresses •City of residence •Race •Gender •Sexual orientation

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What kind of information are you sharing by default? @tsunamino

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Audit your site @tsunamino

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New user ﬂows @tsunamino

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❌ Bad

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✅ Good

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❌ Bad

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What does your privacy settings page look like? @tsunamino

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LinkedIn Privacy settings are

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Need to go beyond having a bunch of toggles. It must be incorporated into every aspect of the product @tsunamino

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Have a clear privacy policy that deﬁnes consent @tsunamino

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@tsunamino Consensual software is a design pattern that asks for the user’s consent to interact with them or their data

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Things to do • Ask how a feature can be used to hurt someone • Audit your site, especially new user flows • Streamline your privacy settings pages • Have a clear privacy policy that defines consent @tsunamino

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Don’t wait until something catastrophic happens @tsunamino

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Ways to ﬁnd me on the internet • @tsunamino • @consentsoftware • consensualsoftware.com

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Thanks!