Head of Europol’s cybercrime centre (Troels Oerting), has issued a warning that people should send personal data only across networks that they trust. He said the warning was motivated by the growing number of attacks being carried out via public wi-fi, “We have seen an increase in the misuse of wi-fi, in order to steal information, identity or passwords and money from the users who use public or insecure wi-fi connections”

Mr Oerting’s warning comes only a few months after the European Parliament turned off its public wi-fi system after it was discovered that a “man-in-the-middle” attack was being perpetrated via the service.

Europol is helping a number of countries after such attacks, he said.

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