Set up your tabs the way you like to start.
Go to the options menu on the basics tab, and under "On startup" click "Open the following pages" and click on "Use Current". Click on "Close". You're done.
If the laptop is at home or away from work it can attach to anyone's network, and the laptop is likely to be running an intrinsically unsafe operating system with its unsafe browser so in short order it will have a bot broadcasting everything.
Encryption is already becoming a de facto standard. Financial companies and banks used to get big fines if some bozo took home confidential data on their laptop, then let the laptop get stolen. Governments have decreed that if the laptop was encrypted, "no harm, no foul".
Now you can rest assured that your data on the laptop is now secure while the employee is blasting it over the internet.
"Everything should be made as simple as possible, but not simpler." -- Albert Einstein