• Most laptops have a Kensington security slot built in, but MacBooks don't, so you'll need an adaptor to use one.
• To safeguard your Mac from malware and tampering, use the General pane in Security & Privacy options. On your Mac, go to Apple menu > System Preferences, then Security & Privacy, then General.
• There is no security slot for a locking cable on the new MacBook Pro with Retina Display (MBPr).
• To lock your Mac, simply hit Command+Control+Q. You can alternatively use Command+Shift+Q, however this will log you out fully, which will close any open programmes.

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