https://arstechnica.com/information-technology/2017/10/severe-flaw-in-wpa2-protocol-leaves-wi-fi-traffic-open-to-eavesdropping/ https://www.theverge.com/2017/10/16/16481252/wi-fi-hack-attack-android-wpa-2-details https://boingboing.net/2017/10/16/eschaton-immanentized.html The WPA-2 protocol is the more secure of the 3 Wi-Fi types in use and probably your default setting for most devices less than 5 or so years old. this exploit is in the standard itself, not the device but individual devices can be patched so as to prevent the exploit. the critical exploit lets evesdroppers remotely steal everything transmitted through your network. microsoft has stated that they will have a patch for this ready, google has stated that they will be working on patches for affected android devices in the next few weeks. you'll need to manually patch your routers/modems to the latest firmware if possible. apple hasn't released a statement on this yet(if it uses wifi, it is vulnerable). for those one *nix systems, time for sudo apt-get update & time sudo apt-get dist-upgrade