Almost All Wi-Fi Connections Could Be at Risk: Researchers Find Weakness in WPA2

Wireless router. "FON Wireless Router" by nrkbeta/Flickr

Wi-Fi using WPA2 security may not be as secure as previously thought.

A weakness in the security protocol means that hackers, if within range, can potentially steal sensitive data or attack a computer using malware, according to researchers at KU Leuven in Belgium.