This isn't a good way to keep your laptop safe, as anyone could grab it and steal it.

Conventional wisdom about protecting your laptop from theft is wrong. Here's how to keep your stuff safe.

After surviving many trips abroad, working often in coffee shops, I laugh whenever I hear someone at Starbucks saying to a stranger: "Will you watch my stuff while I go to the bathroom?" This provides you with exactly zero protection against theft.

Here's the global best practice for stealing a laptop from an innocent tourist abroad: Grab it and run.

The commonly used defenses against this crime are all perfectly wrong. Sitting there won't deter them. They'll steal it even while you're actually typing. If you can out-run a teenager familiar with the surrounding streets (Good luck with that), he will drop it before you catch him, destroying the laptop. If you chain it to the table, he'll drop it and smash it trying to get away. If you chase after the guy with the laptop, his partner will casually walk off with your backpack.

To protect your laptop, follow my three-second rule: Make sure a crook can't run from your laptop to the door in less than three seconds. Find a place to work that's tucked way back in the corner with lots of tables and chairs between you and the door. And make sure a thief can't approach your laptop without you seeing them. It's more important that you keep an eye on who's approaching your table than your stuff.

Second, if you need to leave the table for any reason, but want to maintain your claim to it, leave easily replaceable personal items on the table and take your laptop and other valuables with you, even into the toilet.

Third, don't appear to have an expensive laptop. That Apple logo screams "black market retail value!", so buy a cover that makes it look like a cheap laptop, or something other than a laptop.

And fourth, confuse crooks with the unexpected. Most criminals are looking for specific things – wallets, high-end smartphones, expensive laptops and iPads. I walk around wearing Google Glass with confidence. Nobody is going to steal it because that technology is not on their radar yet. Criminals are confused about what it is, so they leave it alone. Likewise, you can confuse crooks by making them unsure about what you've got.

I'm a huge fan of Twelve South's BookBook line: Phone, tablet and laptop cases that look like old leatherbound books. This will at best make them think you've got a book and in the worst-case scenario confuse them before they figure out that you've got some unknown type of electronic device. That delay in reaction makes a big difference.

Nobody wants to steal your book. They'll never know your "book" is actually an iPad wearing a Twelve South BookBook cover.

Equally important for the security-conscious traveller is a good backpack – but again the conventional wisdom is wrong.

Leaving your laptop alone is asking to get it nicked.

How to keep your backpack safe

The most important feature of a backpack is security. But the best way to achieve backpack security is different than nearly everyone imagines.

There's a whole sub-industry of backpack security that treats the problem as one of fortification. A company called Pacsafe is the leading brand in this space. Wire mesh backpack linings or covers are designed to prevent crooks from cutting into your bag. Zipper locks and hidden pockets prevent easy theft.

The marketing around these bags suggests that you're going to leave your backpack behind in some hotel room or hostel and you'll want to lock it down to prevent theft.

The belief that locking a backpack to, say, a pipe or desk and fortifying it will prevent theft is false. A determined thief will cut through the cables, rip out the pipe or figure out some other way to steal your stuff.

The best protection is social engineering and also following some basic guidelines. It starts with the backpack selection.

There are high-quality backpacks on the market, fortified or not fortified. If you have a conspicuously high-quality backpack, you'll make yourself a target for theft. For example, the SOOT Electropack project looks promising. And I've been tempted by the Pelican ProGear S130 Sport Elite Laptop Backpack. These are great products if you never leave the safety and comfort of safe and wealthy places.

But carry these packs into most countries and you might as well tape a sign to it in the local language that says: "Very expensive gear inside: Please steal me!" And a determined thief will do so.

This would be the perfect nondescript laptop bag if it wasn't for the Jeep logos.

The most important security feature in a backpack is to be boring. Buy a black backpack without fancy features or designer logos. The plainer the better.

The second most important security feature is that it hold everything of value and still be comfortable to wear.

This is how laptop theft typically happens to travelers abroad. 'Watching' your laptop – or even using it – is no deterrent at all.

Gear up in such a way as to never have to leave your valuable electronics behind. Make sure everything fits into one backpack. (In my case, I carry a MacBook Pro, iPad, iPhone (my Android phone lives in my pocket), Google Glass, chargers, cables, extra credit cards and more. The total value of what I carry in my backpack is about $5,000.)

Then never, ever leave it behind. Always have your backpack with you.

When you're in a coffee shop, don't place the backpack on a chair or on the floor next to you. Put it on the floor between your legs and under the table.

Finally, whenever you're in a situation where anyone can be close to you and behind you, put the backpack on backwards so it's in the front, to prevent razor-blade access. The most likely way thieves will steal stuff is to divert your attention. If something happens that's attention-grabbing, always move the backpack to the front and keep your head on a swivel.

Images by iStock, Crestock and QuietlyUrban.

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