Tehran, YJC. A document from April 2013 has revealed US concerns about Iran's nuclera case, Fars news agency claims.
Greene Grainald, journalist and colleague to Edward Snowden has said that has written in Intercept that the US intelligence network is worried about Iran's cyber power.
The concerns follow Western cyber attacks on Iran last year.
Sources within Western intelligence services have said that through reverse engineering, Iran has managed to reproduce their tehniques.
US national security agency has raised concerns that Iran's cyber capabilities have grown on a daily basis.
US sources have related a recent attack on Saudi oil facilities online services to Iran, citing the event as indicative of the Islamic Republic's increasing cyber power.
The report further adds that one of the joint espionage projects carried out by UK and US entities has been to carried out operations on the nuclera talks between Iran and the six world powers.