For understand in what consists this variant of the phishing, go to put an example of each one of the cases:
The customer receives a text message with the next message: “Has a notice important with regard to your credit card. Calls urgent to this phone number ”
Which is the intention of the cybercriminal? That contact as soon as possible for try solve the incident. On the other side of the line not be the manager but the cybercriminal that, making good use of the gravity of the situation, ask for the maximum information sensitive (with the excuse of be necessary to the resolution of the problem).
The customer receives a text message with the next message: “Esteemed customer: your card has been blocked for your security. Can unblock it visiting this website”.
Which is the objective? That the customer accesses the website that appears in the text message and, already in her, fills in a form with your personal details.