Abstract: Respiratory rate is an important vital sign that can be used to determine human physiological state. In recent years, Wi-Fi-based contactless respiration monitoring has drawn significant ...

Abstract: In recent studies, both the ESP-32 and Raspberry Pi 4 (RPi 4) have been widely used for capturing Channel State Information (CSI) in motion detection applications. However, to the best of ...

They may look complex, but AI-generated passwords often follow predictable patterns that hackers can exploit. I'll show you what to use instead. I review privacy tools like hardware security keys, ...

If you've locked down your home Wi-Fi with a strong password, you're already ahead of the game. But here's the reality: a password alone isn't enough to keep your online activity private. Most people ...

“Passkeys are a way to log in without using a password,” said Oleg Naumenko, chief executive officer of Hideez, a cybersecurity company. Passkeys use public key cryptography; instead of a user typing ...