Back in December 2015 I found my first public Wifi network at 32C3 that used a certificate instead of a common password, not so much for user authentication but for assigning an individual ciphering key to each device. Especially at a hacker conference that’s a plus as normal WPA encryption uses the same passphrase for … Continue reading Eduroam – Wifi With A Certificate And Cool Roaming Features
Like every year Vodafone has released numbers on mobile network usage during New Year's eve between 8 pm and 3 am as this is one of the busiest times of the year. This year, Vodafone says that 185 TB were used during those 7 hours. Let's say uplink and downlink are roughly 9:1 which would … Continue reading 50+ Gbit/s for Vodafone Germany on New Year’s Eve
Today, most Wi-Fi hotspots at home use the standard WPA/WPA2 authentication and encryption mechanism that uses a shared password between the Wi-Fi hotspot and clients. The downside of this approach is that all users have to share the same password which enables an attacker who is in range of the network and in possession of … Continue reading Wi-Fi WPA-Professional with Certificate Authentication