WPA2 Encryption used to secure wireless networks has been broken. Website explaining the crack https://www.krackattacks.com/. Thanks to Nathan Bahr, Vic Reynov, Erik Gallagher and Chris Knight for sending me the information.
StartFragmentKRACK Attacks: Bypassing WPA2 against Android and Linux EndFragment
Flaw in WPA2 Security, UniFi Is Rolling New Firmware, & Things You Should Know About KrackAttack
Newsweek, “Krack Wi-Fi Hack: Google, Apple and Microsoft Scramble to Fix WPA2 Vulnerability,” By Anthony Cuthbertson, 17 OCT 2017: http://www.newsweek.com/krack-wifi-hack-google-apple-microsoft-fix-wpa2-vulnerability-686690
Wired, "Why the Krack Wi-Fi Mess Will Take Decades to Clean Up" Brian Barrett, 17 OCT 2017: https://www.wired.com/story/krack-wi-fi-iot-security-broken/