Online Banking – Comdirect customers have access to foreign accounts – Süddeutsche.de

• Customer Comdirect, the direct banking subsidiary of Commerzbank, were on Monday morning to access the accounts of other users.
• You might see information such as account balance and theoretically also cause remittances.
• How many customers are affected by the data-GAU, is not yet known.

From Harald Freiberger and Jan Schmidbauer

in the online bank Comdirect has occurred on Monday morning at a data-GAU: customers einloggten to their account, found themselves on the other user’s account. They were able to see information such as the account balance and theoretically also cause remittances. “The problem is known, there were technical problems,” confirmed a spokeswoman for the SZ . The direct banking subsidiary of Commerzbank systems were first shut down and restarted, the online access was temporarily “restricted accessible”. Since 11:20 the systems running again. Whether the problem is corrected, the spokesperson but could not tell. The examination of the causes run still in full swing.

Apparently, it is not a case of fraud or hacker attack. Comdirect had dubbed the night before new data on the access of customers. The error might be happening. A detailed analysis of the causes are not yet available. “We need only a complete picture,” the spokeswoman said.

How many customers are affected, the spokeswoman could not say. According to a report from Handelsblatt Online ended individual customers with repeated attempts to reach her account, in various other accounts. Whether there were also false transfers, is still unclear. Comdirect has created for its customers the possibility of up to 1000 euro simplifies daily without transaction number (Tan) to transfer. This is according to the company but only to a reference account, not to a foreign account

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“the comdirect glitch shows that we need the cash.”

comdirect is the direct banking subsidiary of Commerzbank and two million private customers one of the largest direct banks in Germany. The online access of Commerzbank branch customers will not be affected, according to the institute. Approximately two out of three current account holders do their banking online also.

There were in Germany have often cases of fraud in online banking. A case like this, that customer will be automatically redirected to the account of another user is, however, not yet occurred. Hans-Peter Burghof, professor of banking at the University of Hohenheim, speaks of a “big mistake”. He holds the incident for the perfect proof that it is too dangerous to rely on a technology: “The Comdirect glitch shows. We need the cash” Whereas there is also by colleagues in his field again demands to completely digitize payments. But the glitch would cause the customer once again in mind that a smooth payment transactions only with a second plane – the cash transactions -. Can be guaranteed

The loss of confidence by the IT glitch courtyard Considers, however manageable as long as it is in fact in the case is only an internal iT problem. Much more dangerous are external attacks, such as attacks by hackers with viruses, “which are used for targeted abuse”. If customers can now view foreign account information, which is indeed a serious error – but “no massive threat”

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