Have you ever walked way from your computer at home or work only to find that someone has quickly stepped in and wrote a cheeky comment posing as you on your Facebook account.

It’s usually done in fun, but it does highlight a very real threat to both your identity and personal information.

The simple solution to keep both eyes and hands off your computer while you’re not there involves just 2 buttons for Windows users…simply hold down the windows key and press the letter ‘L’ at the same time. This will lock your computer from further use until you return and enter your password.

For more PC security tips head the AVG Australia website.

Also for more quick keyboard shortcuts for Windows, see this page at Microsoft.