The guest network should have a different access password from the main one. If you can, create a "guest" network segment or second network for visitors to use. Follow up with anything you don't recognize, and if it turns out to not be one of yours, use your network's administrative interface to block such devices. Routinely check your home Wi-Fi network's logs to see which devices have accessed your network recently. If you're having trouble creating and remembering such passwords, then use one of the best password managers some of them are free. To make sure interlopers aren't sneaking into your home Wi-Fi network, create long, strong, unique access passwords. "The bottom line is that in a couple of hours and with approximately $50, your neighbor or a malicious actor can compromise your privacy and much more if you don’t have a strong password," Hoorvitch wrote. Being inside a network gives an attacker great advantages that aren't available from outside. That kid, or anyone else within radio range of your home Wi-Fi router, could also use the network access to attack devices in your home, such as smart TVs, printers or older computers. The neighbor's kid could use your network to download pirated movies and software, possibly exposing you to legal consequences or even higher bills if your monthly data usage is capped. So what, you wonder? What's the harm if some neighbor's kid gets access to my Wi-Fi network?Ī lot could happen. How and why to have a strong Wi-Fi access password - and a strong admin one too "I hypothesized that most people living in Israel (and globally) have unsafe Wi-Fi passwords that can be easily cracked or even guessed by curious neighbors or malicious actors," Hoorvitch wrote. Only 30% of the 5,000 had access passwords that were too strong to easily crack. Why that is, we don't know, but it did give Hoorvitch a good head start.Įven among those Wi-Fi networks that didn't use cell numbers, nearly half (48%) used terrible, easy-to-guess passwords that routinely appear on lists of the most common passwords.
Hoorvitch notes that many Israelis (and 44% of his sample) use their cellphone numbers as the passwords for their home Wi-Fi routers. The point here is that most people, and some businesses as well, use terrible Wi-Fi access passwords. "You do not need a cracking rig" to do this, Hoorvitch wrote.
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