'Up to 100' targets in cyber espionage case implicating Israel
US has accused Israel of spying on the Iran nuclear talks in the past; security firm identifies widespread use of complex virus.
A member of a delegation talks on the phone in the Beau Rivage Palace Hotel during a break in the Iran nuclear program talks in Lausanne March 31, 2015 (photo credit: REUTERS)ByMICHAEL WILNER