ESET, an Internet security company that offers anti-virus products, just publicly disclosed a vulnerability in Wi-Fi chips made by Broadcom and Cypress. The vulnerability, which ESET calls "Kr00K," allows for the unauthorized decryption of WPA2-encrypted network traffic. Devices with Broadcom and Cypress FullMac Wi-Fi chips, which, according to ESET, are found in the Amazon Echo/Kindle,...