Home and corporate Wi-Fi networks — and all the data, photos and messages transmitted across them — could be vulnerable to hackers, according to a computer security researcher in Belgium.
The vulnerability is in WPA2, the main protocol that protects Wi-Fi networks. Hackers can use a technique known as key reinstallation attacks, or Krack for short, to intercept information sent over networks that users thought were encrypted, the researcher says.
“Nobody has ever found this vulnerability,” said Matthew Green, assistant professor of computer science at Johns Hopkins University. “It’s pretty serious.”
Who does this affect?
WPA2 is the “industry standard” and has been...