How safe is free Wi-Fi?

WE’VE all done it – connect to the free Wi-Fi, without a second thought of whether it’s legitimate.

We also seem to be quite happy to send out our personal details to an unknown supplier or hotel offering these services just so we can get online, and if you’re lucky you may have only skimmed the provider’s terms and conditions.

Yet, we should be more vigilant – the risk is plentiful. The worst thing you can do is assume a Wi-Fi network is legitimate – or run by an establishment you’re in. It  might be a decoy deployed by a criminals.

The convenience of public Wi-Fi for many people is invaluable – most especially when you are at an airport with a lot of waiting time.

However, there are risks. Malicious Wi-Fi hotspots can be found in many public venues, so taking precautions – not just at airports – is critical to ensure a cybercriminal does not steal your data.

To stay secure at airports during the holiday season and beyond, here are a few basic precautions to take:

  • Consider using a 3G or 4G hotspot instead of free public Wi-Fi hotspots. When the phone is connected to the mobile data network, it can convert the data stream into a Wi-Fi signal for other devices to share. The phone can still make calls and respond to texts whilst it’s hosting the connection. If you are logging into a work network, use a VPN, and do not visit banking or shopping sites.
  • Once you’re assured that the hotspot is legitimate , you probably want to check your email messages – this is best done via your PC, as you can use the browsers secure icon (usually a lock or similar in your address book) to check that you are connected securely (that is, via HTTPS)
  • If you absolutely must connect to public Wi-Fi networks, be sure to connect to a legitimate one. Sometimes attackers will set up a malicious network (an “evil twin” or “spoof”) to trick you into logging into a network with a similar or same name.  It never hurts to verify with the facility which the proper one is to connect to.
  • Limit activities to anything that does not require a username and password as hackers who are monitoring network traffic are looking for you to do just this.
  • Avoid,  at all costs, logging into sensitive services such as banking applications or email when using public Wi-Fi, because criminals are always looking for ways to use online banking against you.  Whilst mobile banking in theory should be safe, this is only if you are using the official banking app, as there are a lot of copycat versions that people mistakenly download.
  • If you’re going to use your computer in a risky environment, ensure sharing is switched off- you don’t want unknown attackers having access to your files.  On a mac you will find this under sharing preferences and on a PC your homegroup and sharing setting will vary according to your Operating System (OS).
  • Travellers will be on safe ground researching information, or checking news sites or looking at maps of the local area, but anything financial, such as booking a hotel, is best done either via your mobile device’s connection, or just over the phone.

Use basic security service such as an antimalware/antivirus and consider a Virtual Private Network (VPN).

 

 

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  AUTHOR
Berea Mail

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