4 papers · 1 filter
Provably Secure Covert Messaging Using Image-based Diffusion Processes
Luke A. Bauer, Wenxuan Bao, Vincent Bindschaedler
We consider the problem of securely and robustly embedding covert messages into an image-based diffusion model's output. The sender and receiver want to exchange the maximum amount…
Thwart Me If You Can: An Empirical Analysis of Android Platform Armoring Against Stalkerware
Malvika Jadhav, Wenxuan Bao, Vincent Bindschaedler
Stalkerware is a serious threat to individuals' privacy that is receiving increased attention from the security and privacy research communities. Existing works have largely focuse…
Inference Attacks for X-Vector Speaker Anonymization
Luke Bauer, Wenxuan Bao, Malvika Jadhav +1
We revisit the privacy-utility tradeoff of x-vector speaker anonymization. Existing approaches quantify privacy through training complex speaker verification or identification mode…
Leveraging Generative Models for Covert Messaging: Challenges and Tradeoffs for "Dead-Drop" Deployments
Luke A. Bauer, James K. Howes, Sam A. Markelon +2
State of the art generative models of human-produced content are the focus of many recent papers that explore their use for steganographic communication. In particular, generative…