Kaspersky Lab announces the discovery of ‘Gauss’, a new cyber-threat targeting users in the Middle East. Gauss is a complex, nation-state sponsored cyber-espionage toolkit designed to steal sensitive data, with a specific focus on browser passwords, online banking account credentials, cookies, and specific configurations of infected machines.
http://finance.yahoo.com/news/kaspersky-lab-discovers-gauss-complex-131100955.html
Does not seem to pose a threat to the US banks as of now though.