Never leave your computer unlocked. See what can happen if you leave your computer unlocked here.
While focus has been on cybercrime in recent years, and with good reason, attempts at on-site access fraud are also becoming increasingly common.
While you may not think about it as you go about your business, leaving your computer unlocked entails several serious risks:
Lock your Windows computer
Here are two different ways to lock your Windows computer:
Here are two different ways to lock your Mac computer
If you are running Llinux without a graphical user interface, remember to log out when you leave the computer.
If you use a graphical user interface, Linux is standardised like Windows or Mac. Therefore, there are different ways to lock the screen depending on the distribution (distro) and sometimes also on the user interface you are using.
Ctrl+Alt+L works in some distributions, but the best advice is to use the built-in help function to find the correct way for your system.
You can easily set your computer to go into sleep mode after a short period of inactivity. The screen will go out and lock without you having to remember to do anything.