Qatar National Bank investigating alleged data hack

By Tom Finn DOHA (Reuters) - Qatar National Bank, the largest lender in the Middle East and Africa by assets, is investigating an alleged security breach of data posted online this week that revealed the names and passwords of a large number of customers. QNB said it was investigating "social media speculation in regard to an alleged data breach" and would not comment on reports circulated via social media. One file contained information on what appeared to be 465,437 QNB accounts, although only