The contact-free sensing nature of Wi-Fi has been leveraged to achieve privacy breaches,
yet existing attacks relying on Wi-Fi CSI (channel state information) demand hacking Wi-Fi …

In this paper, we present ESauron—the first proof-of-concept system that can detect diverse
forms of spy cameras (ie, wireless, wired and offline devices) and quickly pinpoint their …

Internet-of-things (IoT) devices (eg, micro camera and microphone) are usually small form
factor, low-cost, and low-power, which makes them easy to conceal and deploy in the indoor …

Unlawful wireless cameras are often hidden to secretly monitor private activities. However,
existing methods to detect and localize these cameras are interactively complex or require …

The contact-free sensing nature of Wi-Fi has been leveraged to achieve privacy breaches
such as keystroke inference (KI). However, the use of channel state information (CSI) in …

The escalating threat of hidden GPS tracking devices poses significant risks to personal
privacy and security. Featured by their miniaturization and misleading appearances, GPS …

Password inference attacks by covert wireless side-channels jeopardize information safety,
even for people with high security awareness and vigilance against snoopers. Yet, with …

To balance venue safety with public photography rights, this article presents CamShield—a
novel system for selective defense against unauthorized photography. Amid dense …

Unauthorized covert voice recording presents a significant threat to privacy-sensitive
scenarios, such as confidential meetings and private conversations. Due to their …

IoT devices and other embedded systems are in-creasingly equipped with cameras that can
sense critical information in private spaces. The data security of these cameras, however …