Think, You are buiseness overseas working to secure a new account with a new supplier. This is big fact for you and your company. If you can done the work really good.Then your promotion will be in your hand then what if you see hard drive crash.
Any way If you can set up VPN on computer or
set up VPN on computer you may access file from anywhere in the world.
Here is some instruction for you …….
1.open your web browser and go to whatismyip.com. And write down the ip address.
2. Click the start button and click the run.
3.Type control and hit enter
4.go to control panel and select network and internet connection
5. Click network connection and select create a network connection.
6.click next and select advanced connection and next accept incoming connection
7.Choose accept incoming connection. You will see the device then click next.
8.select allow virtual private connection.
See more here from wikihow.
http://www.wikihow.com/Set-Up-a-Virtual-Private-Network-with-Windows.