Charles Lever

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Garbled circuits offer a powerful primitive for computation on a user's personal data while keeping that data private. Despite recent improvements, constructing and evaluating circuits of any useful size remains expensive on the limited hardware resources of a smartphone, the primary computational device available to most users around the world. In this(More)
Much of the attention surrounding mobile malware has focused on the in-depth analysis of malicious applications. While bringing the community valuable information about the methods used and data targeted by malware writers, such work has not yet been able to quantify the prevalence with which mobile devices are actually infected. In this paper, we present(More)
Domain squatting is a common adversarial practice where attackers register domain names that are purposefully similar to popular domains. In this work, we study a specific type of domain squatting called “combosquatting,” in which attackers register domains that combine a popular trademark with one or more phrases (e.g., betterfacebook[.]com,(More)
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