‘All wifi networks’ are vulnerable to hacking, security expert discovers

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By Alex Hern

16/10/2017

WPA2 protocol used by vast majority of wifi connections has been broken by Belgian researchers, highlighting potential for internet traffic to be exposed

The security protocol used to protect the vast majority of wifi connections has been broken, potentially exposing wireless internet traffic to malicious eavesdroppers and attacks, according to the researcher who discovered the weakness.

Mathy Vanhoef, a security expert at Belgian university KU Leuven, discovered the weakness in the wireless security protocol WPA2, and published details of the flaw on Monday morning.

“Attackers can use this novel attack technique to read information that was previously assumed to be safely encrypted,” Vanhoef’s report said. “This can be abused to steal sensitive information such as credit card numbers, passwords, chat messages, emails, photos and so on.

Vanhoef emphasised that the attack works against all modern protected wifi networks. Depending on the network configuration, it is also possible to inject and manipulate data. For example, an attacker might be able to inject ransomware or other malware into websites.”

MORE: https://www.theguardian.com/technology/2017/oct/16/wpa2-wifi-security-vulnerable-hacking-us-government-warns

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