I agree with all the above. May I add one other bit. Physical security is as important.
When you do backups make certain you encrypt them. If the house is broken into and the device/disc is stolen they can read everything. At that point it will make it a lot worse as you are recovering your home and your entire on-line access.
Also if you are using a modern machine and comfortable with it then turn on your disc encryption on the machine. Do write the boot (disc encryption on boot up) password down on paper with a different description. Example being bit of paper with "Hornby password" written on it or something else obscure. If you forget it (it will not be demanded as the software will cache it in most cases) then you are going to be a bit frustrated.
Never leave a default password on any device.
Many routers offer "enable remote support" menu options never turn this on as it allows the device to be approached from the Internet. There are a LOT of nasties out there trying to get into home networks as they can then find places to lay the cuckoo's egg that turns poorly defended devices into "bots" or remote triggered robots which provide these attacks. A signal is sent out from baddyHQ that light up all the remote cuckoo's and they all attack causing what is called a denial-of-service as they all swamp the service making it non-responsive to normal customers.
A lot of the newer home automation stuff has little to no security and so needs to be behind a decent firewall/router. Plenty of examples of these new home cameras left on default settings being readable from the Internet.
https://reolink.com/unsecured-ip-camera-list/ A decent guide to consider is here -
https://lilin.zendesk.com/hc/en-gb/artic...-secure-online. The same applies for many of the newer home toys.
In the US there have been a rash of Alexa/Google/Apple enabled door locks.
https://community.smartthings.com/t/how-to-make-alexa-open-close-door-locks/109872 However there have also been some examples of intruders talking through a window gap using it to open the door!
Before anyone looks into using these locks please confer with your insurance company and IMHO get one of the Darwin Awards application forms just for the hell of it. Just think of it. A dog that can say sausages, Alexa mis-reading a noise, a program on TV etc etc. It is my suspicion that these Alexa type devices are going to be a serious target for the cyber and physical plebs in the future.
