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04/12/2023
On the Adversarial Inversion of Deep Biometric Representations
Biometric authentication service providers often claim that it is not po...
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04/06/2023
Those Aren't Your Memories, They're Somebody Else's: Seeding Misinformation in Chat Bot Memories
One of the new developments in chit-chat bots is a long-term memory mech...
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11/04/2022
Unintended Memorization and Timing Attacks in Named Entity Recognition Models
Named entity recognition models (NER), are widely used for identifying n...
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05/13/2022
Privacy Preserving Release of Mobile Sensor Data
Sensors embedded in mobile smart devices can monitor users' activity wit...
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04/03/2022
A Differentially Private Framework for Deep Learning with Convexified Loss Functions
Differential privacy (DP) has been applied in deep learning for preservi...
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09/19/2021
Making the Most of Parallel Composition in Differential Privacy
We show that the `optimal' use of the parallel composition theorem corre...
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06/18/2021
Sharing in a Trustless World: Privacy-Preserving Data Analytics with Potentially Cheating Participants
Lack of trust between organisations and privacy concerns about their dat...
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03/12/2021
On the (In)Feasibility of Attribute Inference Attacks on Machine Learning Models
With an increase in low-cost machine learning APIs, advanced machine lea...
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07/22/2020
Exploiting Behavioral Side-Channels in Observation Resilient Cognitive Authentication Schemes
Observation Resilient Authentication Schemes (ORAS) are a class of share...
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01/13/2020
On the Resilience of Biometric Authentication Systems against Random Inputs
We assess the security of machine learning based biometric authenticatio...
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08/28/2019
On Inferring Training Data Attributes in Machine Learning Models
A number of recent works have demonstrated that API access to machine le...
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04/24/2019
A Decade of Mal-Activity Reporting: A Retrospective Analysis of Internet Malicious Activity Blacklists
This paper focuses on reporting of Internet malicious activity (or mal-a...
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02/18/2019
Averaging Attacks on Bounded Perturbation Algorithms
We describe and evaluate an attack that reconstructs the histogram of an...
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02/04/2019
Differentially Private Release of High-Dimensional Datasets using the Gaussian Copula
We propose a generic mechanism to efficiently release differentially pri...
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11/08/2018
Private Continual Release of Real-Valued Data Streams
We present a differentially private mechanism to display statistics (e.g...
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06/06/2018