Wireless Site survey is also an important part of wifi security analysis. NetSpot is the easiest native wireless site survey software for Mac and Windows. Check out our top picks for the best free parental control software! Best free parental control software for PC, Mac, iOS, and Android. The app doesn’t have native password protection, so.

Have you ever tried to connect to public Wi-Fi and seen multiple network names that are similar but not the same? EricsCoffeeHaus versus EriksCoffeeHaus, or HiltonGuest versus HiltonGuests, for example. This is a tried-and-true man-in-the-middle attack used by hackers—dubbed —which tries to trick you into logging into the wrong network to get to your info.

Most people don't take the time to check, and jump on the strongest, open signal they see. But you should always check that you pick the legitimate network. When you want to pick a Wi-Fi hotspot to log into, try and find one that's got you locked out.

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You read that right. Usually if you see the lock icon ( ), it means you can't get access. Networks with zero security don't have a next to them, or the word 'secured,' which shows on a Windows laptop. On an iPhone, if you click an unsecured network—even if it's your own at home—you'll get a warning that reads 'Security Recommendation.' Of course, this isn't a hard and fast rule. Some hotspots don't show the lock because they have what's called 'walled garden' security: you have to log in via a browser to get access to the internet.

The login usually is provided by the hotspot—you may get it from the front desk at a hotel, for example, while checking in. It's best to stick to hotspots where the provider, be it a conference, hotel, or coffee shop, provides you with a clear network to choose, plus a password to grant access. Then you know at least you're on the network you're meant to be using. You can set most devices to ask before they connect to a network, rather than just automatically connecting to either the strongest open network around, or a network they've connected to before. That's a good idea; never assume the network you used in one place is as safe as one with the same name in another place. Anyone with the right tools could spoof a Wi-Fi network's broadcast name (called the SSID). If the device asks first, you've got a chance to make a decision about whether it's safe to connect or not.

On iOS for example, go to Settings > Wi-Fi, and check off 'Ask to Join Networks.' On Android, it's Settings > Wi-Fi > > Advanced > Wi-Fi notifications (turn it off). Services like —which partners with others to provide access to over 1 million hotspots—or, which provides hotspots specifically for planes in flight, are two of the big names in subscription Wi-Fi services. Pay them a monthly fee—which can get pricey—and you know when you find their certified hotspots, they're a lot less likely to be run by the bad guys. (Not impossible, but pretty unlikely.) Boingo has for iOS, Android, Windows, and Mac to help you find hotspots it supports and get signed in; the service costs $9.95 a month and you can connect four devices to 200,000 hotspots in the US; the Global plan with the million locations is $39 a month, so that's really only for heavy global travelers.

Gogo charges by the hour ($7), day ($19), or monthly recurring cost of $49.95, you can find the service on select planes on 17 airlines. Never heard of 802.11u? How about Wi-Fi Certified Passpoint? They're all the same thing: a new method meant to help people not only securely get on a hotspot, but roam from supported hotspot to hotspot, cell-tower style.

That means you enter credentials to sign in once, which get reused at hotspots all over the place, logging you in instantly and securely. A device has to have the right hardware installed to support Hotspot 2.0, but the major operating systems like Windows 10, macOS,, and Android support it. In Windows, go to Settings > Network & Internet > Wi-Fi and flip the switch under Hotspot 2.0 networks to turn it on. In Android, go to Settings > Wi-Fi > > Advanced > Hotspot 2.0.