Keystroke Biometrics in Response to Fake News Propagation in a Global Pandemic

• URL: http://arxiv.org/abs/2005.07688v2
• Date: Mon, 18 May 2020 06:23:56 GMT
• Title: Keystroke Biometrics in Response to Fake News Propagation in a Global Pandemic
• Authors: Aythami Morales and Alejandro Acien and Julian Fierrez and John V. Monaco and Ruben Tolosana and Ruben Vera-Rodriguez and Javier Ortega-Garcia
• Abstract summary: This work proposes and analyzes the use of keystroke biometrics for content de-anonymization. Fake news have become a powerful tool to manipulate public opinion, especially during major events.
• Score: 77.79066811371978
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: This work proposes and analyzes the use of keystroke biometrics for content de-anonymization. Fake news have become a powerful tool to manipulate public opinion, especially during major events. In particular, the massive spread of fake news during the COVID-19 pandemic has forced governments and companies to fight against missinformation. In this context, the ability to link multiple accounts or profiles that spread such malicious content on the Internet while hiding in anonymity would enable proactive identification and blacklisting. Behavioral biometrics can be powerful tools in this fight. In this work, we have analyzed how the latest advances in keystroke biometric recognition can help to link behavioral typing patterns in experiments involving 100,000 users and more than 1 million typed sequences. Our proposed system is based on Recurrent Neural Networks adapted to the context of content de-anonymization. Assuming the challenge to link the typed content of a target user in a pool of candidate profiles, our results show that keystroke recognition can be used to reduce the list of candidate profiles by more than 90%. In addition, when keystroke is combined with auxiliary data (such as location), our system achieves a Rank-1 identification performance equal to 52.6% and 10.9% for a background candidate list composed of 1K and 100K profiles, respectively.

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