Alexander Ponticello

schoolHelmholtz Center for Information Securitybar_chart#4694 Global Rank

Total Papers

HCI Rank

#4694

Research Areas

Years Active

Recent Publications

See Me If You Can: A Multi-Layer Protocol for Bystander Privacy with Consent-Based Restoration

The growing popularity of wearable camera glasses raises pressing concerns about bystanders being recorded without their consent. Most existing privacy-enhancing technologies (PETs) rely on opt-out models that place the burden of privacy protection on bystanders. We conducted a qualitative study on wearers’ and bystan…

CHI '242nd AuthorHonorable MentionPrivacy by Design & User Control +2

In Focus, Out of Privacy: The Wearer's Perspective on the Privacy Dilemma of Camera Glasses

The rising popularity of camera glasses challenges societal norms of recording bystanders and thus requires efforts to mediate privacy preferences. We present the first study on the wearers' perspectives and explore privacy challenges associated with wearing camera glasses when bystanders are present. We conducted a m…

CSCW '232nd AuthorHonorable MentionSecurity and Privacy

Investigating Security Folklore: A Case Study on the Tor over VPN Phenomenon

Users face security folklore in their daily lives in the form of security advice, myths, and word-of-mouth stories. Using a VPN to access the Tor network, i.e., Tor over VPN, is an interesting example of security folklore because of its inconclusive security benefits and its occurrence in pop-culture media. Followi…

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