Great question! I too would love to hear any input on this subject.
I have two Panasonic outdoor Internet Protocol cameras (model BB-HCM735). One in the front and one in the back of the cabin, so I can see both entrances and check out the weather at the lake. They pan/tilt, record to storage media, or set for motion-activated. They see well in the dark. They will send you an alert by email or cell phone if you want, can be tied to a microphone for two way audio, or trigger an external alarm. You can check on them from a computer or smartphone. I had the builder wire for them as the logs were stacked, so they wouldn't have to drill around later. These are powered by PoE over CAT5 cable, but you can also buy wireless cameras.
There are many brands and many types to choose from. Read the reviews and make your choice based on reliability, cost, and features. As long as you have internet access at your cabin, you will have no problem and lots of piece of mind.
Fleet Farm ( or maybe Farm Fleet ) sells a device for about $100.00 that plugs into a phone jack in the log home that will call you every 15 minutes if the following conditions occur:
1. Temp drops below 45 degrees
2. Electricity goes out.
3. Water leak where wire probes are placed to give you early warning of water leaking
Also, for ubnder $50.00 they sell a device that also plugs into a phone jack that calls you every 15 minutes if motion is senced in the cabin by an intruder.
The camera is nice but are you going to sit by your computer 24 hours a day ??????
Security companies have some fancy systems that when singling false alarms net you a bill from the local Sheriff's Department of $75.00 to 150.00 per false alarm call after the first 2 or 3 per year. Something to also think about.