Oracle has suffered a major data breach affecting its MICROS POS payments systems.  The hack involved malicious code found on MICROS customer service systems.  The malware allowed hackers to access customer login information.   Early indications are that the attack originated in Russia.

Oracle believes that individual transaction data was not compromised, but it is possible that the stolen credentials could enable fraudsters to install malware on merchant’s point of sale systems which in turn could lead to transaction-level data compromise.  Oracle is asking MICROS users to change passwords immediately.

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