Kr00k: How KRACKing Amazon Echo Exposed a Billion+ Vulnerable WiFi Devices

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Initially discovering that some Amazon Echoes and Kindles were vulnerable to attacks against WPA2 (KRACK), ESET then found that a related attack, which could enable adversaries to decrypt wireless network packets, affects WiFi chipsets used in over a billion devices including some by Apple, Google, and Samsung.

Pre-Requisites: A basic understanding of WPA2 (including the four-way handshake) is beneficial.

Robert Lipovsky


Senior Malware Researcher, ESET

Stefan Svorencik


Senior Detection Engineer, ESET

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