Anonymous Complaint Aggregation for Secure Messaging

ePrint Report: Anonymous Complaint Aggregation for Secure Messaging

Connor Bell, Saba Eskandarian

Private messaging platforms provide strong protection against platform eavesdropping, but malicious users can use privacy as cover for spreading abuse and misinformation. In an attempt to identify the sources of misinformation on private platforms, researchers have proposed mechanisms to trace back the source of a user-reported message (CCS '19,'21). Unfortunately, the threat model considered by initial proposals allowed a single user to compromise the privacy of another user …

abuse aggregation anonymous back bell can eavesdropping eprint report identify malicious messaging misinformation platform platforms privacy private private messaging protection report researchers secure messaging trace