The president of the Hellenic Internet Users Association (EEXI), Nikos Vassilakos, when referring to the security issue, stressed that, «unfortunately, as in society, there are risks on the Internet,» even though he himself regularly makes purchases online. «What is shown in films does not happen but if you’re not careful, someone might take advantage of a slip-up.» Codes and passwords should be kept secret and users should check credit card accounts for suspicious debits. The EEXI is planning to set up a Digital Services Consumer Union which will provide legal protection for users and handle complaints. According to the National Statistics Service, only 4.8 percent of users who conducted transactions over the Internet encountered problems. Most complaints concerned delivery delays (47.6 percent), unsatisfactory response to a complaint (25.4 percent) or difficulty finding information on product guarantees (18.4 percent). Non-delivery of orders is the largest problem in the European electronic market, comprising 46 percent of complaints received last year by the European Consumer Centers Network (ECC-Net), an EU-wide network to promote consumer confidence.