The announcement comes less than a year after Iranian nuclear facilities were targeted . CNN 's Brian Todd and Pam Benson contributed to this report . In the wake of that attack, Iran has been working to develop its own atomic bomb. The announcement left unclear which facilities are targeted by the new worm .
The announcement comes less than a year after Iranian nuclear facilities were targeted . In the wake of that attack, Iran has been working to develop its own atomic bomb. The announcement left unclear which facilities are targeted by the new worm .