How to use public Wi-Fi hot spots safely

Many cafes, restaurants, airports and now even Sydney Ferries are starting to offer free Wi-Fi. As a result, more of us are jumping on the bandwagon and connecting to these free networks without realising the security risks.

But have you read the fine print? Wi-Fi hot spots are unsecured networks that hackers like to take advantage of. Everything — including your data, account information and passwords, Google searches, and finances — can become available to the hacker who wants it badly enough.

So before you pay your bills or write your genius business plan at the local cafe, get to know these six useful practices:

Be aware that you're never secure

Wi-Fi hot spots are always unsecured connections, so you and potential hackers are hanging out in the same network bubble. It's not difficult for one to tap into your activity and sniff out your personal information. So, even if a hot spot requires a password or guides you through a log-in screen, you're still at risk.

Harness built-in security tools

Mac OS X and Windows have built-in security features that you should take advantage of. Enable your firewall (through security settings) and check off "Block all incoming traffic". This setting will keep most of the bad guys out. Disabling file sharing (shown in the how-to video above) is also an important security measure.

Protect your passwords

Hackers can retrieve saved passwords from your registry or install keyloggers, which make your keyboard activity available to them (including passwords you type in). Install something like LastPass, a browser add-on that stores your passwords in the cloud — you'll never have to type a thing and passwords won't be saved on your computer.

Look for the padlock

Websites that use HTTPS (Hypertext Transfer Protocol Secure) encrypt your activity, so anything you do on that site is confidential. Look for a padlock in the address bar, or simply check the URL for "https://..." Not all websites do this, but you can download HTTPS Everywhere, an add-on that will force an encrypted connection on many popular sites.

Check the network name

In an attempt to lure you in, hackers might set up fake networks like "FREE Public Wi-Fi", or "Starbucks FREE". Check with the venue's employees to confirm the name of their network.

Use common sense

You should treat all open networks as a security risk. Don't do any banking, online shopping or other activities that would expose your private information. If you wouldn't be willing to share it with the public, it can wait until you get home.

Do you have best practices for using Wi-Fi hot spots? Advise us in the comments below!

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MM posted a comment   

do the same security risks she mentiones apply to iphone & ipad access?


jimmy posted a reply   

To MM--- about the security risks of an ipod, iphone, if they are connected to the wifi network than they would have the same risks as laptops, but on a 3G network, there would be much less risks.

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