43 citations · 74 across the 11 of their papers we have counts for
12 papers
Starlit: Privacy-Preserving Federated Learning to Enhance Financial Fraud Detection
Aydin Abadi, Bradley Doyle, Francesco Gini +9
Federated Learning (FL) is a data-minimization approach enabling collaborative model training across diverse clients with local data, avoiding direct data exchange. However, state-…
Scalable Time-Lock Puzzle
Aydin Abadi, Dan Ristea, Artem Grigor +1
Time-Lock Puzzles (TLPs) enable a client to lock a message such that a server can unlock it only after a specified time. They have diverse applications, such as scheduled payments,…
Earn While You Reveal: Private Set Intersection that Rewards Participants
Aydin Abadi
In Private Set Intersection protocols (PSIs), a non-empty result always reveals something about the private input sets of the parties. Moreover, in various variants of PSI, not all…
A Forward-secure Efficient Two-factor Authentication Protocol
Steven J. Murdoch, Aydin Abadi
Two-factor authentication (2FA) schemes that rely on a combination of knowledge factors (e.g., PIN) and device possession have gained popularity. Some of these schemes remain secur…
Recurring Contingent Service Payment
Aydin Abadi, Steven J. Murdoch, Thomas Zacharias
Fair exchange protocols let two mutually distrustful parties exchange digital data in a way that neither party can cheat. They have various applications such as the exchange of dig…
Marked for Disruption: Tracing the Evolution of Malware Delivery Operations Targeted for Takedown
Colin C. Ife, Yun Shen, Steven J. Murdoch +1
The malware and botnet phenomenon is among the most significant threats to cybersecurity today. Consequently, law enforcement agencies, security companies, and researchers are cons…
Bridging Information Security and Environmental Criminology Research to Better Mitigate Cybercrime
Colin C. Ife, Toby Davies, Steven J. Murdoch +1
Cybercrime is a complex phenomenon that spans both technical and human aspects. As such, two disjoint areas have been studying the problem from separate angles: the information sec…
VAMS: Verifiable Auditing of Access to Confidential Data
Alexander Hicks, Vasilios Mavroudis, Mustafa Al-Bassam +2
We propose VAMS, a system that enables transparency for audits of access to data requests without compromising the privacy of parties in the system. VAMS supports audits on an aggr…
Ad-Blocking and Counter Blocking: A Slice of the Arms Race
Rishab Nithyanand, Sheharbano Khattak, Mobin Javed +6
Adblocking tools like Adblock Plus continue to rise in popularity, potentially threatening the dynamics of advertising revenue streams. In response, a number of publishers have ram…
Censorship Resistance: Let a Thousand Flowers Bloom?
Tariq Elahi, Steven J. Murdoch, Ian Goldberg
This paper argues that one of the most important decisions in designing and deploying censorship resistance systems is whether one set of system options should be selected (the bes…
Systemization of Pluggable Transports for Censorship Resistance
Sheharbano Khattak, Laurent Simon, Steven J. Murdoch
An increasing number of countries implement Internet censorship at different scales and for a variety of reasons. In particular, the link between the censored client and entry poin…
Chip and Skim: cloning EMV cards with the pre-play attack
Mike Bond, Omar Choudary, Steven J. Murdoch +2
EMV, also known as "Chip and PIN", is the leading system for card payments worldwide. It is used throughout Europe and much of Asia, and is starting to be introduced in North Ameri…