The QR codes They have spread like wildfire in recent years. These useful modules for storing information that are read quickly can lead us to all kinds of information, be it videos, texts, images, etc. and they are increasingly used by advertisers.
Actually, QR or bidi codes do nothing more than redirect us to a link to provide us with certain information, which may pose certain dangers for users who use their smartphone to scan these codes invented by Japanese engineers.
The danger is that many times the links contained in the codes have not been verified, and it can lead users to access information that is different from what is actually requested in the best of cases. Virus and fraudulent websites at worst.
Cases of deception through bidi codes They are numerous, and for example, a button: in the electoral posters of a German candidate for the national elections a QR code was included so that interested citizens can expand the information. The codes were manipulated and when scanning them, a pornographic website was entered.
Through a small documentary produced by the German public television network ZDF, has delved into the dangers they can bring with them the famous codes that seem to be everywhere.
Hackers can use these codes as a gateway to smartphone, introducing viruses to smartphones without the knowledge of the unsuspecting user. But there are ways to avoid this exposure to danger, such as downloading a app proper code reading.
The free apps to read bidi codes recommended are Norton Snap, QR Droid and QR Code Reader, which allow you to scan safely as they have a URL verification system.
Fountain:
http://www.marketingdirecto.com/
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