Hey! That’s my WiFi!

Hey! That's my Wi-Fi!

Have you ever checked your home WiFi connection and noticed a long list of possible connections? Unless you live in the woods with few neighbors you’ll very likely pick up a lot. Sometimes you get a laugh at some of the crazy names your neighbors use and sometimes a start when you see NSA_Van_9.  The thing is, your router is also popping up on your neighbors' list.  

I did just that the other day and was wondering who else might be using my WiFi. Just like stealing cable in the old days, only not as personal a connection, someone close by could be sucking off precious signal strength. What I found wasn’t as shocking as much as a surprise.

Wi-Fi use

Slow WiFi is one indicator of someone using your signal. All depending on the plan you have with your provider and your own usage.  You can quickly check what devices are using your WiFi by logging in to your router. Once logged in you will be provided with a list of the devices currently logged on. A simpler way is to use a 3^rdparty app such as Who’s on my Wi-Fi. This app will use your Wi-Fi signal and provide a list of devices currently using the signal. It is not necessary to provide any personal or router information. The list is comprised of IP and Mac addresses. Once you have the list the task becomes identifying the devices. 

I used this app to search for devices that returned a list of twenty-five devices currently logged on. After running down the list and doing some light deciphering I was able to determine good news and a surprise. The good news-No foreign devices were located. The surprise? All the devices were mine! The search revealed twenty-five devices that did not include the devices that were not currently logged on and had Wi-Fi disabled. If everything were in use the total would be over thirty.

Internet of Things (IoT)

As determined in the post Locking Down the Internet of Things we have, over time, without plan or intent, created our own IoT. That happens in most households. Excluding phones, 74% of U.S. homes have at least one smart device. Few people plan to set up a smart home system, it happens in bits and pieces. A security camera and/or alarm system, new appliance, TV, thermostat, one device at a time your IoT builds. Then a smart speaker is added that is able to control some or all of the devices and your IoT smart home comes to life. Added already to the phones, tablets, and eReaders your WiFi list expands. 

Security

With all of the security breaches that seem to be a monthly news item, we have become numb to the warnings of password and network security maintenance. It is important to perform regular checks of our home system. Especially as we add smart devices to our homes. (Are you being watched?) Properly setup new devices and be aware of what access you are granting them. 

The Wi-Fi usage check is yet another added security check but one that should be completed every so often. Just like changing your smoke alarm batteries at the seasonal time change it doesn’t hurt to set up some calendar reminder to review your home network security. This quick WiFi check not only reveals possible hacking but also helps you to get a handle on the number of devices in your home that are accessing the Internet.

Have you detected someone stealing your WiFi?  Tell us about your experience in the comments. 

Please share. Refer to the blog archive for more posts about Internet security.