![]() Essentially, this is the negotiation where the Wi-Fi base station and a device set up their connection with each other, exchanging the passphrase and encryption information. ![]() When a device connects to a WPA-PSK Wi-Fi network, something known as the “four-way handshake” is performed. ![]() RELATED: How an Attacker Could Crack Your Wireless Network Security An attacker will have to guess a password and attempt to log into the WI-Fi network with it, so they certainly can’t guess millions of times per second. We tend to think of Wi-Fi as being only vulnerable to the online attack. (Apple’s iCloud wasn’t rate-limiting password guesses in this way, and that helped lead to the huge theft of nude celebrity photos.) Because they don’t have access to the raw data they can attempt to match passwords against, they’re limited dramatically. They could guess a few passwords and then Gmail would block them from trying any more passwords for a while. For example, imagine an attacker were trying to gain access to your Gmail account. An online attack is much more difficult and takes much, much longer.
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