Italy's UniCredit reveals data attack involving 400,000 clients |  | MILAN (Reuters) - Suspected hackers have accessed client data of Italy's biggest lender, UniCredit , in two attacks in the past 10 months and affected about 400,000 Italian customers, the most serious data breach ever reported by a major Italian lender. | | |  |  | |  |  | Related Video | |  | |  | |  |  |  | Mediafile | |  | |  | |  |  |  |  |  | A daily digest of breaking business news, coverage of the US economy, major corporate news and the financial markets. Register Today |  | |  |  |  | A quick-fix on the day's news delivered when you want it. Register Today |  | |  | » » MORE NEWSLETTERS |  | |