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Adversarial competition and collusion in algorithmic markets | Nature Machine Intelligence

Algorithms are now playing a central role in digital marketplaces, setting prices and automatically responding in real time to competitors’ behaviour. The deployment of automated pricing algorithms is scrutinized by economists and regulatory agencies, concerned about its impact on prices and competition. Existing research has so far been limited to cases where all firms use the same algorithm, suggesting that anti-competitive behaviour might spontaneously arise in that setting. Here we introduce and study a general anti-competitive mechanism, adversarial collusion, where one firm manipulates other sellers that use their own pricing algorithm. We propose a network-based framework to model the strategies of pricing algorithms on iterated two-firm and three-firm markets. In this framework, an attacker learns to endogenize competitors’ algorithms and then derive a strategy to artificially increase its profit at the expense of competitors. Facing a drastic loss of profits, compe ....

United Kingdom , Great Britain , Michael Eisen , Bruno Salcedo , Office For National Statistics , International World Wide Web Conferences Steering Committee , International Conference On Knowledge Discovery , Council Of European Union Commission , National Statistics , Consumer Goods Issue , Economic Working Paper , Facilitate Collusion , Personalised Pricing , Markets Authority , Competition Policy , Digital Age , World Wide Web , Law Econ , Empirical Evidence , German Retail Gasoline Market , Working Paper , Law Pract , Knowledge Discovery , Data Mining , Computer Vision , Pattern Recognition ,

UK researchers use AI model to record keystrokes with accuracy over 90%

Researchers in the United Kingdom have used artificial intelligence technology to record the sound of keystrokes with surprising accuracy. A recent study, reportedly published as part of the IEEE European Symposium on Security and Privacy Workshops, simulated a cyberattack in which a deep learning model classified laptop keystrokes using audio from the video-conferencing platform Zoom ....

United Kingdom , Ehsan Toreini , Durham University , Royal Holloway University Of London , University Of Surrey , Privacy Workshops , Royal Holloway University ,

UK researchers use AI model to record keystrokes with accuracy over 90%

Computer scientists in the United Kingdom have used artificial intelligence to record the sound of keystrokes on Zoom and on a smartphone microphone with startling accuracy. ....

United Kingdom , Julia Musto , Ehsan Toreini , Durham University , Royal Holloway University Of London , University Of Surrey , Privacy Workshops , Royal Holloway University , Fox News , Fox Business ,

UK researchers use AI model to record keystrokes with accuracy over 90%

UK researchers use AI model to record keystrokes with accuracy over 90%
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United Kingdom , Ehsan Toreini , University Of Surrey , Royal Holloway University Of London , Durham University , Privacy Workshops , Royal Holloway University ,