Mitigating the KRACK in WPA2 with WIPS October 19, 2017On Monday, security researcher Mathy Vanhoef disclosed a new vulnerability in the WPA/WPA2 four-way handshake, which has been branded KRACK. The attack is targeted and sophisticated, and it results in decrypting a TKIP or CCMP/AES encrypted session without knowledge of the PTK. WPA/WPA2-Personal and WPA/WPA2-Enterprise networks are vulnerable. The attack takes advantage of client side … Continue reading "Mitigating the KRACK in WPA2 with WIPS"macOS Wi-Fi Roaming August 20, 2017One of the nice things about Intel wireless chipsets is that the drivers expose a lot of controls to help tune the chipset’s operation. One of my favorite of these controls is “Prefered Band,” which I usually adjust to instruct the chipset to prefer the 5 GHz band over the 2.4 GHz band. There are … Continue reading "macOS Wi-Fi Roaming"
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