UPnP is a software protocol (set of rules) widely used on home networks first established in 2008. It will not be the only thing you need to do and it won’t make you invincible, but it is a specific action you can take that will make a difference. If you implement the changes I suggest, you will be taking a step or two towards better network security. I’m going to describe a specific high-risk home network problem that is generally overlooked. Security solutions are complicated, but if you approach it one step at a time, you can make significant progress. This famous quote by Lao Tzu is applicable to computer and network security. The journey of a thousand miles begins with one step Again, scaring everyone without any practical examples of what can be done to increase the security of our computers and network. If they don’t offer simplistic advice, they often go the other way - telling us how complicated and confusing computers and networks have become and that we must consult an expensive security expert or risk losing everything. The writer or blogger will alarm us with stories of woe - criminals stealing identities, hackers remotely controlling baby cams, or stealing huge amounts of data from our computers.Īfter spreading this fear, the writer merely offers prosaic formulaic advice - don’t write your password on a sticky stuck to your computer screen use complicated passwords that aren’t easily guessed keep a backup of all your data, etc.
Unfortunately we read a lot about network security problems and the risk of home computer networks without any specific actionable advice. Network Security Doesn’t Have to Be Obtuse You can skip over the techie or boring parts, but please read enough to understand the risks, the simple things you can do to be safe, and tell your friends. If you know what UPnP is, understand why it is very dangerous to allow it to be used, and have already disabled it your home network, your parent’s home network, and your non-techie friend’s home network, then stop reading, grab your favorite beverage and relax.Įveryone else: If you have any interest in keeping your home network secure, especially your home automation devices, stop everything and read this through to the end. Universal Plug and Play (UPnP), a feature of most home networks, is bad, and should be turned off.
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