Home Blog Archive Safety Online Banking: How safe is the mTAN procedure?

Online Banking: How safe is the mTAN procedure?

  • Oct 25, 2025
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You can use the Online Banking mTAN procedure, may be at risk the safety of your money. We will tell you how much the security of the mobile method really brings.

Secure Online Banking with the mTAN procedure?

The mTAN procedure, the customer receives from his Bank to confirm the Transfer, the TAN on his cell phone sent. While this is convenient, but also insecure:
  • Especially users of Android Smartphones should be in the use of mTAN careful. Currently, the spreads of the Android Trojan "fake token" on many devices, the mtan intercepts and its criminal Creator directs.
  • The Federal criminal police office therefore recommends the use of a TAN generator. This is a small device, the EC-card plug it in and then a TAN allotted. It seems to be only a matter of time before this method can be infiltrated by hackers under.
  • Of the well-known TAN-lists, is also strongly discouraged. This method is considered insecure and obsolete.
  • Conclusion: mTAN is on a Smartphone like the iPhone without Jailbreak (closed System) as extremely safe. For Android devices, Trojan can intercept the Codes and your account is empty spaces. Therefore, check regularly your Android Smartphone for viruses and don't install dubious Apps. Completely sure banks currently only available with a TAN-Generator.
  • Safety tip: For the Monitoring of your Android smartphone we recommend the Apps of Kaspersky Internet Security and Mobile Security & Antivirus by Avast.

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