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 Beware the evil twin!

 
Wifi users are being warned to be on the lookout for fake hotspots when they believe they are on legitimate ones.

Dubbed "evil twins" you may be at danger of exposing your data to criminals.

How it works is that you go to your wifi hotspot such as a cafe or hotel and connect to the internet. However, cybercriminals will try to glean personal information using the scam by jamming connections to a legitimate base station by sending a stronger signal near to the wireless client.

Any confidential data may then be intercepted by others.

Most wireless networks come with security features ebabled to prevent others reading emails and other documents, but many people do not use them because they are difficult to implement. In most instances, the equipment comes with the basic level of security protection enabled.

So the warnings are to be careful what you share over wireless and keep an up to date anti-virus and firewall.