Our integral SEP gateway (Secure Electronic Purchase), which operates under international protocols Verified by Visa and MasterCard SecureCode, offers high level security and payment protection.
In addition to the SEP protocol, both the Virtual PST and the Virtual Plus PST are configured with security limits called velocity checks which validate repeated attempts to purchase with the same card or IP address. To enable the business to carry out its own checks, the system informs them for each operation about the country where the card used for the purchase was issued.
(Banco de Sabadell information)
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Note that the best way to increase safety is to use common sense and keep your computer free of viruses and threats. A simple search on a search engine with the words "secure ways to buy online" can provide very practical information.