KRACK: the 2017 attack that broke your Wi-Fi's WPA2

Sat, 17 Oct 2026 09:00:00 -0300

For more than a decade, WPA2 was the default answer to "how do I secure my Wi-Fi?" New router, strong password, WPA2 on, problem solved. On October 16, 2017, Belgian researchers Mathy Vanhoef and Frank Piessens of KU Leuven published a study that shattered that certainty: the protocol itself had a design flaw. It did not matter how long the password was. The attack was named KRACK, for Key Reinstallation Attack.

Wpa2 on Locodigital

KRACK: the 2017 attack that broke your Wi-Fi's WPA2