http://news.zdnet.com/2100-1009_22-5...=zdfd.newsfeed

International bank HSBC is suffering thousands of virus attacks a day, a top executive at the company has revealed.....

...HSBC holds more than a trillion dollars in assets, making it a tempting target for virus writers and hackers. But e-mail identity theft scams are posing a greater threat to the bank's 18.9 million online customers, Jebson said.
I'm assuming these are unsuccessful attacks or they'd be more prominent in the news.