Card safety

Betrügerische SMS

Even if you are not a customer of Cembra, you might have received a fraudulent SMS in our company’s name.
Fraudulent SMS messages ask you to reveal your personal and confidential data through an embedded link. Please do not reply to these messages but immediately delete them instead.
If you replied to a suspicious SMS or filled in a form after receiving such a message, please have your credit card blocked by calling our 24-7 service at +41 44 439 40 30.

Cembra does not send SMS messages inviting you to confirm personal or confidential data.

What is phishing?

“Phishing” is a technique in which third parties create fraudulent emails, SMS or webpages in order to trick others into giving them personal details such as credit card numbers or passwords. Cembra never asks for confidential information on the phone or by e-mail. Please never reply to such requests.

  • What should I do if I receive a suspicious e-mail?
    If you receive a suspicious email, please forward it to Cembra ( Do not reply and delete it from your mailbox.
    Never follow links contained in e-mails or text messages, as these may install viruses on your device or redirect you to phishing websites.
  • How can you protect yourself against phishing attacks via search engines?

    As an eService user, please note the following recommendations:

    1. Direct access: Never use search engines such as Google, Yahoo or Bing to access the Cembra eService. Also avoid the search function stored in the address field of the browser.

    2. Enter the address manually: Always enter the full address of the desired website directly into the address field of your web browser. The address for Cembra eService is:

    3. Official website: Alternatively, you can also access Cembra eService via the official Cembra website. The address for this is:
  • What should I do if I suspect that I have given my credit card data to third parties?
    If you suspect that third parties have access to your credit card data, please contact Cembra immediately at +41 (0)44 439 40 20.
  • What does Cembra do against phishing attacks?
    Cembra monitors for ongoing phishing campaigns and takes action upon to discovery to reduce the risk of customers inadvertently sharing their information.

What does Cembra do against credit card fraud?

What are my responsibilities for reducing the risk of Fraud?

What should I do in the event of loss or theft of my credit card?

Further fraud approaches online

General internet security recommendations