3 citations · 5 across the 5 of their papers we have counts for
5 papers · 1 filter
Transcript Franking for Encrypted Messaging
Armin Namavari, Thomas Ristenpart
Message franking is an indispensable abuse mitigation tool for end-to-end encrypted (E2EE) messaging platforms. With it, users who receive harmful content can securely report that…
Injection Attacks Against End-to-End Encrypted Applications
Andrés Fábrega, Carolina Ortega Pérez, Armin Namavari +3
We explore an emerging threat model for end-to-end (E2E) encrypted applications: an adversary sends chosen messages to a target client, thereby "injecting" adversarial content into…
Exploiting Leakage in Password Managers via Injection Attacks
Andrés Fábrega, Armin Namavari, Rachit Agarwal +2
This work explores injection attacks against password managers. In this setting, the adversary (only) controls their own application client, which they use to "inject" chosen paylo…
Private Hierarchical Governance for Encrypted Messaging
Armin Namavari, Barry Wang, Sanketh Menda +5
The increasing harms caused by hate, harassment, and other forms of abuse online have motivated major platforms to explore hierarchical governance. The idea is to allow communities…
Increasing Adversarial Uncertainty to Scale Private Similarity Testing
Yiqing Hua, Armin Namavari, Kaishuo Cheng +2
Social media and other platforms rely on automated detection of abusive content to help combat disinformation, harassment, and abuse. One common approach is to check user content f…